Josephine Tsai, M.D.
NPI 1780094920 · Internal Medicine Physician · Rego Park, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josephine Tsai, M.D. is a Internal Medicine Physician provider in Rego Park, NY (NPI 1780094920).
Provider details
- NPI number
- 1780094920
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 204085 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
526 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 | 206 | $146 |
| 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 | 173 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $149 |
| Administration of Pneumococcal VaccineG0009 | 29 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $104 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 396 | 112 |
| Amlodipine Besylate | 320 | 91 |
| Losartan Potassium | 212 | 66 |
| Levothyroxine Sodium | 140 | 39 |
| Metoprolol Succinate | 130 | 37 |
| Metformin Hcl | 124 | 38 |
| Olmesartan Medoxomil |
Practice location
Mailing address
Additional practice locations (1)
- 373 Park Ave S7th FloorNew York, NY 10016-8805Phone: (718) 681-8700
Registry dates
- Enumerated
- 2014-04-28
- Last updated
- 2018-10-18
Frequently asked questions
- What is Josephine Tsai's NPI number?
- Josephine Tsai's National Provider Identifier (NPI) is 1780094920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Tsai's specialty?
- Josephine Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Josephine Tsai located?
- Josephine Tsai's practice location on file with NPPES is 9525 Queens Blvd, Rego Park, NY 11374-4510.
- What is Josephine Tsai's phone number?
- The practice phone number listed in the NPPES registry for Josephine Tsai is (718) 975-5200.
- Does Josephine Tsai accept Medicare?
- Josephine Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josephine Tsai's NPI active?
- Yes — Josephine Tsai's NPI (1780094920) is active in the NPPES registry as of the last update on 2018-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.