Doctor profile · Federal record
Dr. Margaret Ellison, APRN, BC
Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Waltham, MA
- NPI 1174674261
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
950 Winter St, Suite 3800
Waltham, MA 024511424
(781) 472-8592
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- April 14, 2015
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363LG0600X — NUCC code
- State license (1)
- Massachusetts #216415
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174674261. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
82
Distinct HCPCS
3
Medicare allowed
$8,394
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 38 | 26 | $107 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 27 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $79 |
In context: peer comparison
Among 2 peers in Waltham Gerontology Nurse Practitioner, average services per provider: 24. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
596
Patients
138
Total drug cost
$43,167
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 80 | 25 | $1,677 |
| Lisinopril | Generic | 68 | 21 | $949 |
| Eliquis (Apixaban) | Brand | 49 | 11 | $34,939 |
| Levothyroxine Sodium | Generic | 48 | 11 | $621 |
| Gabapentin | Generic | 45 | 11 | $418 |
| Omeprazole | Generic | 39 | 12 | $711 |
| Furosemide | Generic | 38 | 11 | $183 |
| Metoprolol Succinate | Generic | 33 | 11 | $1,421 |
| Losartan Potassium | Generic | 32 | 11 | $518 |
| Hydrochlorothiazide | Generic | 31 | 0 | $135 |
Frequently asked questions
What is Dr. Margaret Ellison's medical specialty?
Dr. Margaret Ellison practices Gerontology Nurse Practitioner in Waltham, MA.
Where does Dr. Margaret Ellison practice?
Dr. Margaret Ellison practices at 950 Winter St, Waltham, MA 024511424. Office phone: 7814728592.
What is Dr. Margaret Ellison's NPI?
Dr. Margaret Ellison's National Provider Identifier (NPI) is 1174674261, issued by NPPES.
Does Dr. Margaret Ellison accept Medicare assignment?
Dr. Margaret Ellison does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Margaret Ellison commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.