Doctor profile · Federal record
Dr. Donna Phanumas, M.D.
Internal Medicine Physician · Greenwich, CT
- NPI 1255352167
- MIPS 70.2 / 100 · 2023
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5 Perryridge RD, Center for Healthy Aging
Greenwich, CT 068304608
(203) 863-4376
fax (203) 863-4711
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #038375
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255352167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
245
Distinct HCPCS
1
Medicare allowed
$9,129
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 245 | 160 | $37 |
In context: peer comparison
Among 19 peers in this city , average services per provider: 94. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
279
Patients
70
Total drug cost
$9,908
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 134 | 40 | $1,863 |
| Memantine Hcl | Generic | 60 | 19 | $2,760 |
| Escitalopram Oxalate | Generic | 18 | 11 | $204 |
| Quetiapine Fumarate | Generic | 18 | 0 | $228 |
| Mirtazapine | Generic | 14 | 0 | $197 |
| Memantine Hcl Er (Memantine Hcl) | Brand | 12 | 0 | $3,790 |
| Rivastigmine (Rivastigmine Tartrate) | Brand | 12 | 0 | $770 |
| Sertraline Hcl | Generic | 11 | 0 | $94 |
Frequently asked questions
What is Dr. Donna Phanumas's medical specialty?
Dr. Donna Phanumas practices Internal Medicine Physician in Greenwich, CT.
Where does Dr. Donna Phanumas practice?
Dr. Donna Phanumas practices at 5 Perryridge RD, Greenwich, CT 068304608. Office phone: 2038634376.
What is Dr. Donna Phanumas's NPI?
Dr. Donna Phanumas's National Provider Identifier (NPI) is 1255352167, issued by NPPES.
What procedures does Dr. Donna Phanumas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.