Doctor profile · Federal record
Dr. Yun Lam, M.D.
Internal Medicine Physician · Boston, MA
- NPI 1134100894
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
252 Tremont St, 1/F
Boston, MA 021165603
(617) 636-8871
fax (617) 636-8870 - Mailing address
-
750 Washington St, Nemc Box 859
Boston, MA 021111526
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- December 10, 2009
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #81549
- Medicaid
- MA #3140776
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134100894. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
594
Distinct HCPCS
7
Medicare allowed
$73,107
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 217 | 135 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 172 | 109 | $100 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 98 | 98 | $142 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 54 | 38 | $100 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 23 | 16 | $62 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 15 | 15 | $280 | |
G0009 |
Administration of pneumococcal vaccine | 15 | 15 | $34 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 7.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,418
Patients
1,699
Total drug cost
$383,916
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,325 | 352 | $22,286 |
| Amlodipine Besylate | Generic | 1,060 | 281 | $10,249 |
| Losartan Potassium | Generic | 538 | 123 | $10,104 |
| Metoprolol Succinate | Generic | 464 | 115 | $13,369 |
| Metformin Hcl | Generic | 390 | 107 | $6,023 |
| Lisinopril | Generic | 356 | 91 | $3,793 |
| Simvastatin | Generic | 330 | 87 | $3,475 |
| Eliquis (Apixaban) | Brand | 276 | 52 | $278,564 |
| Famotidine | Generic | 273 | 88 | $3,105 |
| Omeprazole | Generic | 248 | 69 | $3,717 |
Frequently asked questions
What is Dr. Yun Lam's medical specialty?
Dr. Yun Lam practices Internal Medicine Physician in Boston, MA.
Where does Dr. Yun Lam practice?
Dr. Yun Lam practices at 252 Tremont St, Boston, MA 021165603. Office phone: 6176368871.
What is Dr. Yun Lam's NPI?
Dr. Yun Lam's National Provider Identifier (NPI) is 1134100894, issued by NPPES.
What procedures does Dr. Yun Lam commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.