Pang-Yen Fan, M.D.
NPI 1477536936 · Nephrology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pang-Yen Fan, M.D. is a Nephrology Physician provider in Worcester, MA (NPI 1477536936).
Provider details
- NPI number
- 1477536936
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59692 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,201 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 455 | $97 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 335 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 250 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 46 | $174 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 46 | $49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 409 | 80 |
| Prednisone | 310 | 53 |
| Pantoprazole Sodium | 241 | 38 |
| Omeprazole | 232 | 40 |
| Tacrolimus | 195 | 30 |
| Furosemide | 192 | 41 |
| Tamsulosin Hcl | 138 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Pang-Yen Fan's NPI number?
- Pang-Yen Fan's National Provider Identifier (NPI) is 1477536936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pang-Yen Fan's specialty?
- Pang-Yen Fan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Pang-Yen Fan located?
- Pang-Yen Fan's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Pang-Yen Fan's phone number?
- The practice phone number listed in the NPPES registry for Pang-Yen Fan is (508) 856-3155.
- Does Pang-Yen Fan accept Medicare?
- Pang-Yen Fan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pang-Yen Fan's NPI active?
- Yes — Pang-Yen Fan's NPI (1477536936) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.