Doctor profile · Federal record
Dr. Mark Warnat, PA-C
Physician Assistant · Newburyport, MA
- NPI 1396830097
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
260 Merrimac St
Newburyport, MA 019502192
(978) 499-7200
fax (978) 499-7288
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 3, 2014
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Massachusetts #2071
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396830097. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$946
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $79 |
In context: peer comparison
Among 8 peers in Newburyport Physician Assistant, average services per provider: 93. This provider delivers 0.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
549
Patients
287
Total drug cost
$9,374
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 80 | 35 | $1,376 |
| Lisinopril | Generic | 56 | 27 | $633 |
| Doxycycline Monohydrate | Generic | 52 | 49 | $820 |
| Methylprednisolone | Generic | 48 | 43 | $465 |
| Gabapentin | Generic | 47 | 16 | $1,078 |
| Prednisone | Generic | 40 | 29 | $79 |
| Baclofen | Generic | 36 | 21 | $563 |
| Amlodipine Besylate | Generic | 34 | 17 | $542 |
| Levothyroxine Sodium | Generic | 30 | 11 | $554 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 25 | 15 | $773 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Warnat's medical specialty?
Dr. Mark Warnat practices Physician Assistant in Newburyport, MA.
Where does Dr. Mark Warnat practice?
Dr. Mark Warnat practices at 260 Merrimac St, Newburyport, MA 019502192. Office phone: 9784997200.
What is Dr. Mark Warnat's NPI?
Dr. Mark Warnat's National Provider Identifier (NPI) is 1396830097, issued by NPPES.
Does Dr. Mark Warnat accept Medicare assignment?
Yes. Dr. Mark Warnat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Warnat commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.