Pattabiraman Balam Iyer, M.D.
Family Medicine Physician · Gustine, CA
Pattabiraman Balam Iyer, M.D. is a family medicine physician with a practice address in Gustine, California, and NPI 1083616817, issued on Aug 11, 2005. Check the license (California A34458, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pattabiraman Balam Iyer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A34458 CA
Self-reported in NPPES; status is on the state search - Practice location
- 581 4TH Ave, Gustine, CA 95322
- Phone
- (209) 854-1120
- Enumerated
- Aug 11, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (209) 854-1118
- Medicaid ID
- 00A344580 CA
- Medicare enrollment
- Enrolled (PECOS I20080708000395); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 581 4TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack Clendenin, NURSE PRACTITIONERFamily Nurse Practitioner1124210513
- Jose Garcia, DOFamily Medicine Physician1982353033
Verify Pattabiraman Balam Iyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average family medicine physician in 2024
12,364 Medicare Part D claims for 561 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 234 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,038 claims
- Atorvastatin Calcium656 claims
- Losartan-Hydrochlorothiazide434 claims
- Losartan Potassium387 claims
- Allopurinol348 claims
- Metformin Hcl314 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 27.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $205.49
11 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Pattabiraman Balam Iyer among 17,133 family medicine physician records in California
Pattabiraman Balam Iyer, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1975 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in Gustine
They are 2 of the 26 NPPES records with a practice address in Gustine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Gustine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Garcia, DOGustine, CA 953221982353033
- Steven Shield, M.D.Groveland, CA 953211619954237
- Ronald Bjarnason, DOHilmar, CA 953241720192685
- Bobby Peterson, M.D.Escalon, CA 953201841359171
- Oscar Ramos, MDHilmar, CA 953241144622762
- John English, M.D.Hughson, CA 953261437169224
- Benjamin Hsieh, MDHughson, CA 953261164046827
- Susan Kraus, MDHughson, CA 953261194708412
Common questions
What is Pattabiraman Balam Iyer, M.D.'s NPI number?
Pattabiraman Balam Iyer, M.D.'s National Provider Identifier (NPI) is 1083616817, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Pattabiraman Balam Iyer, M.D. located?
The NPPES record lists a practice address at 581 4TH Ave, Gustine, CA, 95322. Phone: (209) 854-1120. Providers update this record themselves, so call before visiting.
How can I verify Pattabiraman Balam Iyer, M.D.'s license?
NPPES lists California license number A34458, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Pattabiraman Balam Iyer, M.D. prescribe under Medicare Part D?
In 2024, Pattabiraman Balam Iyer, M.D. had 12,364 Medicare Part D claims for 561 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Pattabiraman Balam Iyer, M.D.'s MIPS final score?
The 2023 MIPS final score is 27.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.