Doctor profile · Federal record
Dr. WILLIAM FELDMANN, MD
Internal Medicine Physician · Pediatrics Physician · SALEM, NH
- NPI 1508821984
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 MAIN ST
SALEM, NH 030795900
(603) 893-7905
fax (603) 898-6106 - Mailing address
-
12 GERRY LN
LONDONDERRY, NH 030532296
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Hampshire #9800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508821984. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,342
Distinct HCPCS
10
Medicare allowed
$117,084
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 416 | 221 | $89 | |
36415 |
Insertion of needle into vein for collection of blood sample | 388 | 210 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 269 | 173 | $13 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 268 | 196 | $8 | |
81003 |
Automated urinalysis test | 248 | 180 | $2 | |
82977 |
Glutamyltransferase (liver enzyme) level | 232 | 167 | $7 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 231 | 182 | $16 | |
80053 |
Blood test, comprehensive group of blood chemicals | 215 | 191 | $10 | |
84550 |
Uric acid level, blood | 173 | 156 | $4 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 171 | 171 | $129 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 132. This provider delivers 33× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,694
Patients
459
Total drug cost
$21,819
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 237 | 66 | $3,687 |
| Amlodipine Besylate | Generic | 235 | 61 | $1,679 |
| Lisinopril | Generic | 212 | 61 | $2,704 |
| Levothyroxine Sodium | Generic | 198 | 54 | $2,536 |
| Metoprolol Succinate | Generic | 121 | 32 | $2,283 |
| Losartan Potassium | Generic | 113 | 29 | $1,237 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 80 | 24 | $1,726 |
| Trazodone Hcl | Generic | 78 | 19 | $952 |
| Hydrochlorothiazide | Generic | 75 | 24 | $174 |
| Pravastatin Sodium | Generic | 70 | 16 | $1,309 |