Collin Watson, M.D.
NPI 1083896088 · Internal Medicine Physician · West Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Collin Watson, M.D. is a Internal Medicine Physician provider in West Haven, CT (NPI 1083896088).
Provider details
- NPI number
- 1083896088
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 045908 (CT)
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
340 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 | 172 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $99 |
| Hemoglobin A1c Level83036 | 29 | $10 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 18 | $16 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 319 | 98 |
| Rosuvastatin Calcium | 279 | 90 |
| Amlodipine Besylate | 189 | 65 |
| Lisinopril | 187 | 55 |
| Pantoprazole Sodium | 130 | 37 |
| Levothyroxine Sodium | 129 | 37 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-11-30
- Last updated
- 2012-09-11
Frequently asked questions
- What is Collin Watson's NPI number?
- Collin Watson's National Provider Identifier (NPI) is 1083896088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Collin Watson's specialty?
- Collin Watson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Collin Watson located?
- Collin Watson's practice location on file with NPPES is 500 Elm St, West Haven, CT 06516-4233.
- What is Collin Watson's phone number?
- The practice phone number listed in the NPPES registry for Collin Watson is (203) 479-3600.
- Does Collin Watson accept Medicare?
- Collin Watson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Collin Watson's NPI active?
- Yes — Collin Watson's NPI (1083896088) is active in the NPPES registry as of the last update on 2012-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.