Doctor profile · Federal record
Dr. Allen Blaivas, DO
Internal Medicine Physician (CMS: Internal Medicine) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · New York, NY
- NPI 1104830397
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1111 Amsterdam Ave
New York, NY 100251716
(212) 523-4000 - Additional location
-
1000 10Th Ave
New York, NY 100191147 - Additional location
-
385 Tremont Ave # 561/111
East Orange, NJ 070181023
(973) 676-1000 - Mailing address
-
44 Barry Pl
Passaic, NJ 070553516
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 9, 2026
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #236102
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104830397. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
54
Distinct HCPCS
1
Medicare allowed
$12,670
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 54 | 54 | $235 |
In context: peer comparison
Among 559 peers in this city , average services per provider: 137. This provider delivers 0.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Allen Blaivas's medical specialty?
Dr. Allen Blaivas practices Internal Medicine Physician in New York, NY.
Where does Dr. Allen Blaivas practice?
Dr. Allen Blaivas practices at 1111 Amsterdam Ave, New York, NY 100251716. Office phone: 2125234000.
What is Dr. Allen Blaivas's NPI?
Dr. Allen Blaivas's National Provider Identifier (NPI) is 1104830397, issued by NPPES.
Does Dr. Allen Blaivas accept Medicare assignment?
Yes. Dr. Allen Blaivas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Blaivas commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.