Cynthia Tam, DO
NPI 1992871933 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Tam, DO is a Internal Medicine Physician provider in New York, NY (NPI 1992871933).
Provider details
- NPI number
- 1992871933
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- OS013652 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
814 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 202 | $143 |
| Assessment of Emotional Or Behavioral Problems96127 | 143 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 132 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 62 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,694 | 484 |
| Amlodipine Besylate | 1,243 | 349 |
| Losartan Potassium | 896 | 257 |
| Metoprolol Succinate | 562 | 163 |
| Omeprazole | 560 | 175 |
| Metformin Hcl | 532 | 140 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,140 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8686 Bay Pkwy Ste M1Brooklyn, NY 11214-5193Phone: (718) 372-0888
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2019-02-27
Frequently asked questions
- What is Cynthia Tam's NPI number?
- Cynthia Tam's National Provider Identifier (NPI) is 1992871933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Tam's specialty?
- Cynthia Tam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Tam located?
- Cynthia Tam's practice location on file with NPPES is 139 Centre St Ste 709, New York, NY 10013-4557.
- What is Cynthia Tam's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Tam is (212) 965-0496.
- Does Cynthia Tam accept Medicare?
- Cynthia Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Tam's NPI active?
- Yes — Cynthia Tam's NPI (1992871933) is active in the NPPES registry as of the last update on 2019-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.