Doctor profile · Federal record

Dr. Pattabiraman Iyer, M.D.

Family Medicine Physician (CMS: Family Practice) · Gustine, CA

  • NPI 1083616817
  • Accepts Medicare
  • MIPS 27.2 / 100 · 2023
  • 51 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
581 4Th Ave
Gustine, CA 953221143
(209) 854-1120
fax (209) 854-1118
Mailing address
Po Box 157, 581 4Th Avenue
Gustine, CA 953220157

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A34458
Medicaid
CA #00A344580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083616817. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,964
Distinct HCPCS
10
Medicare allowed
$476,917
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,989 514 $130
36415 Insertion of needle into vein for collection of blood sample 1,516 511 $8
J0278 Injection, amikacin sulfate, 100 mg 1,342 67 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 1,214 445 $92
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,163 495 $8
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 1,108 109 $1
83036 Hemoglobin a1c level 829 375 $9
J0696 Injection, ceftriaxone sodium, per 250 mg 752 41 $1
96372 Injection of drug or substance under skin or into muscle 561 166 $15
81001 Manual urinalysis test with examination using microscope, automated 530 347 $3

In context: peer comparison

Among 1 peers in Gustine Family Medicine Physician, average services per provider: 405. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$205
Transactions
11
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 3 $50.71
Amgen INC. 3 $49.40
Sumitomo Pharma America, INC. 1 $24.93
Lilly USA, LLC 1 $24.84
Exact Sciences Corporation 1 $23.34
Novartis Pharmaceuticals Corporation 1 $17.35
Pfizer INC. 1 $14.92

By nature of payment

Food and Beverage
$186
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,823
Patients
1,483
Total drug cost
$81,641
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 1,038 272 $19,640
Atorvastatin Calcium Generic 611 171 $8,640
Losartan Potassium Generic 402 113 $5,964
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 395 111 $7,613
Allopurinol Generic 312 87 $4,578
Metformin Hcl Generic 304 84 $3,866
Prednisone Generic 302 203 $620
Pantoprazole Sodium Generic 235 78 $3,696
Omeprazole Generic 202 59 $4,503
Rosuvastatin Calcium Generic 199 51 $5,245

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Pattabiraman Iyer's medical specialty?
Dr. Pattabiraman Iyer practices Family Medicine Physician in Gustine, CA.
Where does Dr. Pattabiraman Iyer practice?
Dr. Pattabiraman Iyer practices at 581 4Th Ave, Gustine, CA 953221143. Office phone: 2098541120.
What is Dr. Pattabiraman Iyer's NPI?
Dr. Pattabiraman Iyer's National Provider Identifier (NPI) is 1083616817, issued by NPPES.
Does Dr. Pattabiraman Iyer accept Medicare assignment?
Yes. Dr. Pattabiraman Iyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pattabiraman Iyer 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); Injection, amikacin sulfate, 100 mg (HCPCS J0278). Source: CMS Medicare Physician & Other Practitioners file.