Mark Wasserman, MD
NPI 1487680625 · Internal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wasserman, MD is a Internal Medicine Physician provider in New Haven, CT (NPI 1487680625).
Provider details
- NPI number
- 1487680625
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036223 (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
20 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
214 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 | 40 | $134 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 39 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $95 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 36 | $41 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 33 | $16 |
| 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 32 |
| Fluticasone Propionate | 21 | 21 |
| Prednisone | 16 | 12 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 14 | 14 |
| Doxycycline Hyclate | 13 | 13 |
| Cefuroxime Axetilbrand: Cefuroxime | 11 | 11 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2011-12-16
Frequently asked questions
- What is Mark Wasserman's NPI number?
- Mark Wasserman's National Provider Identifier (NPI) is 1487680625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wasserman's specialty?
- Mark Wasserman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wasserman located?
- Mark Wasserman's practice location on file with NPPES is 400 Columbus Ave, New Haven, CT 06519-1233.
- What is Mark Wasserman's phone number?
- The practice phone number listed in the NPPES registry for Mark Wasserman is (203) 503-3250.
- Does Mark Wasserman accept Medicare?
- Mark Wasserman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wasserman's NPI active?
- Yes — Mark Wasserman's NPI (1487680625) is active in the NPPES registry as of the last update on 2011-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.