Doctor profile · Federal record
Dr. Alliam Regan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Springfield, MA
- NPI 1407274574
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3400 Main Street
Springfield, MA 011071113
(413) 794-8777
fax (413) 794-8226 - Additional location
-
759 Chestnut Street
Springfield, MA 011071619
(413) 794-6297
fax (413) 794-1767 - Mailing address
-
280 Chestnut St, 2Nd Fl
Springfield, MA 011991001
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- June 25, 2019
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #273227
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407274574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,223
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 12 | 12 | $185 |
In context: peer comparison
Among 83 peers in Springfield Internal Medicine Physician, average services per provider: 126. This provider delivers 0.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,426
Patients
405
Total drug cost
$24,519
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 284 | 77 | $6,033 |
| Lisinopril | Generic | 178 | 48 | $2,169 |
| Omeprazole | Generic | 133 | 30 | $3,483 |
| Levothyroxine Sodium | Generic | 112 | 34 | $1,538 |
| Amlodipine Besylate | Generic | 91 | 32 | $829 |
| Metformin Hcl | Generic | 83 | 21 | $1,311 |
| Pantoprazole Sodium | Generic | 79 | 20 | $1,603 |
| Hydrochlorothiazide | Generic | 64 | 21 | $432 |
| Pravastatin Sodium | Generic | 64 | 14 | $1,799 |
| Trazodone Hcl | Generic | 64 | 18 | $590 |
Hospital affiliations
Frequently asked questions
What is Dr. Alliam Regan's medical specialty?
Dr. Alliam Regan practices Internal Medicine Physician in Springfield, MA.
Where does Dr. Alliam Regan practice?
Dr. Alliam Regan practices at 3400 Main Street, Springfield, MA 011071113. Office phone: 4137948777.
What is Dr. Alliam Regan's NPI?
Dr. Alliam Regan's National Provider Identifier (NPI) is 1407274574, issued by NPPES.
Does Dr. Alliam Regan accept Medicare assignment?
Yes. Dr. Alliam Regan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alliam Regan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.