Doctor profile · Federal record

Dr. Raj Mahajan, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Oswego, NY

  • NPI 1104869957
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
42 Montcalm St
Oswego, NY 13126
(315) 343-2590
fax (315) 343-4197
Mailing address
42 Montcalm Street
Oswego, NY 13126

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 14, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #190331-1
Medicaid
NY #0160025

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104869957. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
315
Distinct HCPCS
4
Medicare allowed
$16,804
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 152 76 $54
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 118 118 $37
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 24 20 $116
99202 New patient office or other outpatient visit, 15-29 minutes 21 21 $69

In context: peer comparison

Among 1 peers in this city , average services per provider: 78. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$214
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Axonics, Inc. 3 $49.87
SHIELD THERAPEUTICS INC 2 $37.92
Sumitomo Pharma America, Inc. 2 $36.78
Astellas Pharma US Inc 2 $30.24
PFIZER INC. 2 $29.18
COLOPLAST CORP 1 $16.43
Lilly USA, LLC 1 $13.18

By nature of payment

Food and Beverage
$214

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
613
Patients
133
Total drug cost
$40,934
Drug Type Claims Patients Total cost
Estradiol Generic 175 49 $13,626
Premarin (Estrogens, Conjugated) Brand 56 14 $18,777
Ibandronate Sodium Generic 53 11 $730
Alendronate Sodium Generic 48 0 $717
Valacyclovir (Valacyclovir Hcl) Brand 41 11 $1,685
Medroxyprogesterone Acetate Generic 32 0 $620
Fluconazole Generic 31 18 $384
Megestrol Acetate Generic 26 0 $943
Metronidazole Generic 25 15 $482
Raloxifene Hcl Generic 25 0 $1,049

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Raj Mahajan's medical specialty?
Dr. Raj Mahajan practices Obstetrics & Gynecology Physician in Oswego, NY.
Where does Dr. Raj Mahajan practice?
Dr. Raj Mahajan practices at 42 Montcalm St, Oswego, NY 13126. Office phone: 3153432590.
What is Dr. Raj Mahajan's NPI?
Dr. Raj Mahajan's National Provider Identifier (NPI) is 1104869957, issued by NPPES.
Does Dr. Raj Mahajan accept Medicare assignment?
Yes. Dr. Raj Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raj Mahajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830). Source: CMS Medicare Physician & Other Practitioners file.