Chi Tang, MD
NPI 1013263870 · Endocrinology, Diabetes & Metabolism Physician · Ansonia, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chi Tang, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Ansonia, CT (NPI 1013263870).
Provider details
- NPI number
- 1013263870
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57294 (CT)
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
982 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 | 280 | $135 |
| 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 | 278 | $17 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 149 | $3 |
| Hemoglobin A1c Level83036 | 129 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 51 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 445 | 118 |
| Dulaglutidebrand: Trulicity | 419 | 94 |
| Alendronate Sodium | 307 | 92 |
| Metformin Hcl | 278 | 78 |
| Semaglutidebrand: Ozempic | 157 | 39 |
| Tirzepatidebrand: Mounjaro | 146 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$792 across 36 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
- 2012-07-31
- Last updated
- 2023-09-19
- Certified
- 2023-09-19
Frequently asked questions
- What is Chi Tang's NPI number?
- Chi Tang's National Provider Identifier (NPI) is 1013263870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chi Tang's specialty?
- Chi Tang is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Chi Tang located?
- Chi Tang's practice location on file with NPPES is 135 Division St Ste 1, Ansonia, CT 06401-2135.
- What is Chi Tang's phone number?
- The practice phone number listed in the NPPES registry for Chi Tang is (203) 735-3500.
- Does Chi Tang accept Medicare?
- Chi Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chi Tang's NPI active?
- Yes — Chi Tang's NPI (1013263870) is active in the NPPES registry as of the last update on 2023-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.