Doctor profile · Federal record
Dr. Lydia Flier, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Cambridge, MA
- NPI 1104273911
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
330 Mount Auburn St
Cambridge, MA 021385502
(617) 499-5055 - Additional location
-
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000 - Mailing address
-
330 Brookline Ave
Boston, MA 022155400
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- October 15, 2019
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #279387 · Massachusetts #268239
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104273911. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
934
Distinct HCPCS
10
Medicare allowed
$81,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 259 | 166 | $139 | |
36415 |
Insertion of needle into vein for collection of blood sample | 216 | 163 | $7 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 133 | 112 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 118 | 118 | $142 | |
G0008 |
Administration of influenza virus vaccine | 54 | 54 | $34 | |
90662 |
Influenza vaccine split virus, preservative free | 51 | 51 | $72 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 38 | 38 | $21 | |
99493 |
Follow-up psychiatric collaborative care management, subsequent calendar month, first 60 minutes | 32 | 11 | $157 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 20 | $16 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 12 | 12 | $248 |
In context: peer comparison
Among 70 peers in this city , average services per provider: 94. This provider delivers 9.9× the peer median.Open Payments
Industry payments received
All-time total
$50
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $49.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,317
Patients
691
Total drug cost
$128,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 580 | 162 | $12,507 |
| Lisinopril | Generic | 250 | 77 | $3,098 |
| Amlodipine Besylate | Generic | 236 | 68 | $2,300 |
| Levothyroxine Sodium | Generic | 151 | 47 | $2,285 |
| Losartan Potassium | Generic | 144 | 42 | $2,733 |
| Rosuvastatin Calcium | Generic | 119 | 36 | $9,410 |
| Metoprolol Succinate | Generic | 117 | 35 | $3,582 |
| Famotidine | Generic | 99 | 34 | $1,434 |
| Metformin Hcl | Generic | 95 | 28 | $1,079 |
| Gabapentin | Generic | 94 | 27 | $2,791 |
Frequently asked questions
What is Dr. Lydia Flier's medical specialty?
Dr. Lydia Flier practices Internal Medicine Physician in Cambridge, MA.
Where does Dr. Lydia Flier practice?
Dr. Lydia Flier practices at 330 Mount Auburn St, Cambridge, MA 021385502. Office phone: 6174995055.
What is Dr. Lydia Flier's NPI?
Dr. Lydia Flier's National Provider Identifier (NPI) is 1104273911, issued by NPPES.
Does Dr. Lydia Flier accept Medicare assignment?
Yes. Dr. Lydia Flier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lydia Flier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.