Helen Jan, MD
NPI 1487812319 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Jan, MD is a Internal Medicine Physician provider in New York, NY (NPI 1487812319).
Provider details
- NPI number
- 1487812319
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 274023 (NY)
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
18 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
33 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 11 | $155 |
Typical Medicare-allowed amounts for these services range $76–$155 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 216 | 91 |
| Diclofenac Sodium | 146 | 43 |
| Fluticasone Propionate | 103 | 25 |
| Semaglutidebrand: Ozempic | 99 | 22 |
| Omeprazole | 95 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 92 | 19 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-28
- Last updated
- 2016-11-03
Frequently asked questions
- What is Helen Jan's NPI number?
- Helen Jan's National Provider Identifier (NPI) is 1487812319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Jan's specialty?
- Helen Jan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Jan located?
- Helen Jan's practice location on file with NPPES is 575 W 181st St, New York, NY 10033-5002.
- What is Helen Jan's phone number?
- The practice phone number listed in the NPPES registry for Helen Jan is (212) 932-5218.
- Does Helen Jan accept Medicare?
- Helen Jan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Jan's NPI active?
- Yes — Helen Jan's NPI (1487812319) is active in the NPPES registry as of the last update on 2016-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.