Doctor profile · Federal record
Dr. John Alexander, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Nashua, NH
- NPI 1144259508
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
17 Prospect St
Nashua, NH 030603956
(603) 594-6337
fax (603) 594-6330 - Mailing address
-
Po Box 3677
Nashua, NH 030613677
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 7, 2014
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Hampshire #13445
- Medicaid
- NH #3079234
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144259508. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
271
Distinct HCPCS
5
Medicare allowed
$30,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 131 | 75 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 57 | $90 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 47 | 47 | $129 | |
G0008 |
Administration of influenza virus vaccine | 13 | 13 | $31 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 11 | 11 | $75 |
In context: peer comparison
Among 25 peers in Nashua Internal Medicine Physician, average services per provider: 105. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
840
Patients
162
Total drug cost
$14,944
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 120 | 38 | $1,672 |
| Amlodipine Besylate | Generic | 74 | 21 | $554 |
| Gabapentin | Generic | 71 | 19 | $1,095 |
| Omeprazole | Generic | 68 | 16 | $747 |
| Levothyroxine Sodium | Generic | 61 | 17 | $1,022 |
| Oxycodone Hcl | Generic | 53 | 0 | $1,965 |
| Pantoprazole Sodium | Generic | 53 | 0 | $679 |
| Alprazolam | Generic | 49 | 0 | $481 |
| Duloxetine Hcl | Generic | 48 | 0 | $2,147 |
| Lisinopril | Generic | 47 | 12 | $227 |
Frequently asked questions
What is Dr. John Alexander's medical specialty?
Dr. John Alexander practices Internal Medicine Physician in Nashua, NH.
Where does Dr. John Alexander practice?
Dr. John Alexander practices at 17 Prospect St, Nashua, NH 030603956. Office phone: 6035946337.
What is Dr. John Alexander's NPI?
Dr. John Alexander's National Provider Identifier (NPI) is 1144259508, issued by NPPES.
Does Dr. John Alexander accept Medicare assignment?
Yes. Dr. John Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Alexander 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.