Doctor profile · Federal record
Dr. David Chafiian, MD
Internal Medicine Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Brooklyn, NY
- NPI 1013116839
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2405 Avenue P
Brooklyn, NY 11229
(347) 460-8511
fax (516) 570-2494 - Mailing address
-
11 Wooleys Ln, Apt 1B
Great Neck, NY 110232140
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- July 23, 2019
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #230739
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013116839. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
306
Distinct HCPCS
1
Medicare allowed
$76,522
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 306 | 238 | $250 |
In context: peer comparison
Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 0.9× the peer median.Frequently asked questions
What is Dr. David Chafiian's medical specialty?
Dr. David Chafiian practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. David Chafiian practice?
Dr. David Chafiian practices at 2405 Avenue P, Brooklyn, NY 11229. Office phone: 3474608511.
What is Dr. David Chafiian's NPI?
Dr. David Chafiian's National Provider Identifier (NPI) is 1013116839, issued by NPPES.
Does Dr. David Chafiian accept Medicare assignment?
Yes. Dr. David Chafiian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Chafiian commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.