Doctor profile · Federal record
Dr. Mark Wasserman, MD
Internal Medicine Physician (CMS: Internal Medicine) · New Haven, CT
- NPI 1487680625
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Columbus Ave
New Haven, CT 065191233
(203) 503-3250
fax (203) 503-3254
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 16, 2011
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #036223
- Medicaid
- CT #004235900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487680625. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
246
Distinct HCPCS
6
Medicare allowed
$26,697
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 54 | 54 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 51 | 51 | $173 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 44 | 44 | $49 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 38 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 37 | $135 | |
81002 |
Urinalysis, manual test | 16 | 16 | $3 |
In context: peer comparison
Among 66 peers in New Haven Internal Medicine Physician, average services per provider: 73. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
183
Patients
176
Total drug cost
$3,159
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 45 | 44 | $330 |
| Fluticasone Propionate | Generic | 25 | 23 | $451 |
| Prednisone | Generic | 21 | 17 | $37 |
| Lagevrio (Eua) (Molnupiravir) | Brand | 19 | 19 | $1,248 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 17 | 17 | $271 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 16 | 16 | $279 |
| Doxycycline Hyclate | Generic | 16 | 16 | $114 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 12 | 12 | $354 |
| Azithromycin | Generic | 12 | 12 | $74 |
Frequently asked questions
What is Dr. Mark Wasserman's medical specialty?
Dr. Mark Wasserman practices Internal Medicine Physician in New Haven, CT.
Where does Dr. Mark Wasserman practice?
Dr. Mark Wasserman practices at 400 Columbus Ave, New Haven, CT 065191233. Office phone: 2035033250.
What is Dr. Mark Wasserman's NPI?
Dr. Mark Wasserman's National Provider Identifier (NPI) is 1487680625, issued by NPPES.
Does Dr. Mark Wasserman accept Medicare assignment?
Yes. Dr. Mark Wasserman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Wasserman commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635). Source: CMS Medicare Physician & Other Practitioners file.