Doctor profile · Federal record
Dr. Margaret Threadgill, MD,MBA
Internal Medicine Physician (CMS: Hospitalist) · Pediatrics Physician · Boston, MA
- NPI 1548610421
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 726-7782
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- June 5, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #282509
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548610421. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
210
Distinct HCPCS
5
Medicare allowed
$19,009
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 82 | 23 | $84 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 56 | 14 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 28 | $137 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 17 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 12 | 12 | $142 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
218
Patients
13
Total drug cost
$3,121
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 48 | 13 | $602 |
| Metformin Hcl | Generic | 27 | 0 | $161 |
| Levothyroxine Sodium | Generic | 25 | 0 | $408 |
| Amlodipine Besylate | Generic | 22 | 0 | $106 |
| Metoprolol Succinate | Generic | 17 | 0 | $544 |
| Gabapentin | Generic | 16 | 0 | $415 |
| Lisinopril | Generic | 15 | 0 | $112 |
| Lorazepam | Generic | 13 | 0 | $73 |
| Losartan Potassium | Generic | 13 | 0 | $268 |
| Ketoconazole | Generic | 11 | 0 | $188 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Threadgill's medical specialty?
Dr. Margaret Threadgill practices Internal Medicine Physician in Boston, MA.
Where does Dr. Margaret Threadgill practice?
Dr. Margaret Threadgill practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177267782.
What is Dr. Margaret Threadgill's NPI?
Dr. Margaret Threadgill's National Provider Identifier (NPI) is 1548610421, issued by NPPES.
Does Dr. Margaret Threadgill accept Medicare assignment?
Yes. Dr. Margaret Threadgill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Threadgill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.