Doctor profile · Federal record
Dr. Marc Sadowsky, M.D.
Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Geriatric Psychiatry Physician · Geriatric Psychiatry Physician · Lawrence, MA
- NPI 1558358689
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 41 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
354 Merrimack St
Lawrence, MA 018431754
(978) 687-2321
fax (978) 685-7265 - Additional location
-
168 Kinsley St
Nashua, NH 030603634 - Additional location
-
70 Butler St
Salem, NH 030793925
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 4, 2020
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State licenses (2)
- Massachusetts #75226 · New Hampshire #8176
- Medicaid
- NH #30003553
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558358689. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,228
Distinct HCPCS
5
Medicare allowed
$100,832
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99443 |
Telephone medical discussion with physician, 21-30 minutes | 583 | 278 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 377 | 242 | $65 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 147 | 112 | $92 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 99 | 82 | $35 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 22 | 20 | $67 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 245. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,710
Patients
693
Total drug cost
$135,381
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 515 | 64 | $16,599 |
| Trazodone Hcl | Generic | 480 | 88 | $7,780 |
| Lorazepam | Generic | 461 | 67 | $4,235 |
| Clonazepam | Generic | 430 | 47 | $5,707 |
| Lamotrigine | Generic | 391 | 55 | $6,766 |
| Alprazolam | Generic | 326 | 44 | $2,081 |
| Bupropion Xl (Bupropion Hcl) | Brand | 306 | 55 | $10,969 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 252 | 32 | $11,423 |
| Sertraline Hcl | Generic | 247 | 50 | $4,245 |
| Escitalopram Oxalate | Generic | 243 | 33 | $4,000 |
Frequently asked questions
What is Dr. Marc Sadowsky's medical specialty?
Dr. Marc Sadowsky practices Psychiatry Physician in Lawrence, MA.
Where does Dr. Marc Sadowsky practice?
Dr. Marc Sadowsky practices at 354 Merrimack St, Lawrence, MA 018431754. Office phone: 9786872321.
What is Dr. Marc Sadowsky's NPI?
Dr. Marc Sadowsky's National Provider Identifier (NPI) is 1558358689, issued by NPPES.
Does Dr. Marc Sadowsky accept Medicare assignment?
Yes. Dr. Marc Sadowsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Sadowsky commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.