Tiffany Tsang, M.D.
NPI 1164868535 · Endocrinology, Diabetes & Metabolism Physician · Newark, NJ
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Tsang, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Newark, NJ (NPI 1164868535).
Provider details
- NPI number
- 1164868535
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0101264798 (VA)
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
947 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) |
|---|---|---|
| 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 | 372 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 322 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $94 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 71 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $175 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 297 | 109 |
| Metformin Hclbrand: Metformin Hcl Er | 194 | 74 |
| Semaglutidebrand: Ozempic | 128 | 24 |
| Tirzepatidebrand: Mounjaro | 126 | 28 |
| Empagliflozinbrand: Jardiance | 122 | 34 |
| Levothyroxine Sodiumbrand: Synthroid |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$360 across 10 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
Registry dates
- Enumerated
- 2013-05-13
- Last updated
- 2025-06-03
- Certified
- 2025-06-03
Frequently asked questions
- What is Tiffany Tsang's NPI number?
- Tiffany Tsang's National Provider Identifier (NPI) is 1164868535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Tsang's specialty?
- Tiffany Tsang is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Tsang located?
- Tiffany Tsang's practice location on file with NPPES is 185 S Orange Ave, Newark, NJ 07103-2757.
- What is Tiffany Tsang's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Tsang is (973) 972-6000.
- Does Tiffany Tsang accept Medicare?
- Tiffany Tsang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Tsang's NPI active?
- Yes — Tiffany Tsang's NPI (1164868535) is active in the NPPES registry as of the last update on 2025-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.