Doctor profile · Federal record
Dr. Zachary Einwechter, MD
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Portsmouth, NH
- NPI 1235767476
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
333 Borthwick Ave
Portsmouth, NH 038017128
(603) 559-4129
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- May 24, 2023
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MA11756500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235767476. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
564
Distinct HCPCS
4
Medicare allowed
$69,165
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 363 | 123 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 41 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 77 | 76 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 44 | $181 |
In context: peer comparison
Among 8 peers in Portsmouth Internal Medicine Physician, average services per provider: 122. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 1 | $19.96 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $15.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
97
Patients
28
Total drug cost
$8,643
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 29 | 13 | $381 |
| Prednisone | Generic | 19 | 15 | $158 |
| Metoprolol Succinate | Generic | 15 | 0 | $171 |
| Carvedilol ER (Carvedilol Phosphate) | Brand | 12 | 0 | $1,198 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $6,500 |
| Omeprazole | Generic | 11 | 0 | $236 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Einwechter's medical specialty?
Dr. Zachary Einwechter practices Internal Medicine Physician in Portsmouth, NH.
Where does Dr. Zachary Einwechter practice?
Dr. Zachary Einwechter practices at 333 Borthwick Ave, Portsmouth, NH 038017128. Office phone: 6035594129.
What is Dr. Zachary Einwechter's NPI?
Dr. Zachary Einwechter's National Provider Identifier (NPI) is 1235767476, issued by NPPES.
Does Dr. Zachary Einwechter accept Medicare assignment?
Yes. Dr. Zachary Einwechter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Einwechter commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.