Doctor profile · Federal record
Dr. Michael Zaslow, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Winchester, MA
- NPI 1588662985
- Accepts Medicare
- 49 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
955 Main Street, Suite 302
Winchester, MA 018901961
(781) 729-8070
fax (781) 721-0338
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- June 2, 2008
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #48969
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588662985. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
829
Distinct HCPCS
8
Medicare allowed
$97,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 280 | 151 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 210 | 153 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 73 | 73 | $196 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 66 | 62 | $16 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 58 | 58 | $239 | |
95810 |
Sleep study in sleep lab (6 years or older) | 55 | 50 | $125 | |
82270 |
Stool analysis for blood to screen for colon tumors | 53 | 53 | $4 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 34 | 32 | $47 |
In context: peer comparison
Among 3 peers in Winchester Internal Medicine Physician, average services per provider: 229. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,044
Patients
159
Total drug cost
$61,341
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 229 | 56 | $5,462 |
| Lisinopril | Generic | 162 | 41 | $1,920 |
| Metoprolol Succinate | Generic | 101 | 16 | $3,627 |
| Hydrochlorothiazide | Generic | 72 | 18 | $187 |
| Tamsulosin Hcl | Generic | 60 | 17 | $2,385 |
| Eliquis (Apixaban) | Brand | 58 | 0 | $41,886 |
| Lorazepam | Generic | 47 | 0 | $201 |
| Atenolol | Generic | 44 | 0 | $578 |
| Lovastatin | Generic | 44 | 0 | $1,007 |
| Amlodipine Besylate | Generic | 43 | 0 | $295 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Zaslow's medical specialty?
Dr. Michael Zaslow practices Internal Medicine Physician in Winchester, MA.
Where does Dr. Michael Zaslow practice?
Dr. Michael Zaslow practices at 955 Main Street, Winchester, MA 018901961. Office phone: 7817298070.
What is Dr. Michael Zaslow's NPI?
Dr. Michael Zaslow's National Provider Identifier (NPI) is 1588662985, issued by NPPES.
Does Dr. Michael Zaslow accept Medicare assignment?
Yes. Dr. Michael Zaslow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Zaslow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.