Doctor Profile

Primary Care · Nurse Practitioner

Dennis Tan

Nurse Practitioner
57 BEDFORD ST
SUITE 130
Lexington, MA 02420
✓ Accepts Medicare 💻 Offers Telehealth
269
Medicare Patients / yr
5
Procedures Billed
4
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Dennis Tan's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dennis Tan

See which plans Dennis Tan accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Massachusetts, the fastest way to find a Medicare plan that covers Dennis Tan is to compare every Medicare Advantage and Part D plan available near 02420, MA — the Nurse Practitioner's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 02420, MA →

Or call the office at (781) 862-7500 to confirm acceptance directly.

What Dennis Tan Does

Dennis Tan served 269 Medicare patients across 476 services in the latest CMS reporting year. That's similar to the average Nurse Practitioner in Massachusetts (279 patients across 4,419 doctors).

ProcedureServicesMedicare Patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes (99308)252113
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)15796
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)2821
Nursing facility discharge management, more than 30 minutes (99316)2626
Nursing facility discharge day management, 30 minutes or less (99315)1313

How to read this: "Services" are the total times Dennis Tan billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dennis Tan is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Mount Auburn Hospital

Cambridge, MA
★★★★☆ 4/5 CMS Rating

Practice Location & Telehealth Readiness

Dennis Tan practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dennis Tan offers telehealth — broadband availability at your home matters for virtual visits.

Address: 57 BEDFORD ST, SUITE 130, Lexington, MA 02420
Phone: (781) 862-7500

Area Safety Grade

A

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

37 min

Average commute time in this zip · 59% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

98.5770

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Primary Care Doctors near 02420, MA

If Dennis Tan isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 02420, MA:

DoctorSpecialtyMedicare Patients / yrDistance
Wayne D. BrownInternal Medicine1.2K<1 mi
Azadeh AssarpourGeriatric Medicine918<1 mi
Amy Y. XiongNurse Practitioner—<1 mi
Elena PapovskyNurse Practitioner—<1 mi
Jenna D. GreenPhysician Assistant—<1 mi
Marcine LogueNurse Practitioner84<1 mi

View all primary care doctors near 02420, MA →

How to Use This Information

Choosing a Medicare plan that covers Dennis Tan takes three steps:

Compare Medicare Plans near 02420, MA → All Doctors near 02420, MA

Dennis Tan: Common Questions

Does Dennis Tan accept Medicare?
Yes. Dennis Tan is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dennis Tan depends on that plan's provider network. Compare Medicare plans near 02420, MA →
Where is Dennis Tan's office?
Dennis Tan practices at 57 BEDFORD ST, SUITE 130, Lexington, MA 02420. Phone: (781) 862-7500.
What Medicare plans does Dennis Tan accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (781) 862-7500 to confirm your specific plan is accepted, or compare all Medicare plans near 02420, MA to see available options.
Does Dennis Tan offer telehealth visits?
Dennis Tan is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dennis Tan?
Dennis Tan graduated in 2022 and has been practicing for approximately 4 years. In the latest CMS reporting year, Dennis Tan treated 269 Medicare patients across 5 distinct procedure types.
How do I know if Dennis Tan is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (781) 862-7500 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile → • LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology → • Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 02420, MA:

Does your Medicare plan cover Dennis Tan?

Compare Plans near 02420, MA →