NPPES file of Aug 9, 2026

Sunthara Hay, DO

Obstetrics & Gynecology Physician · 2500 Alhambra Avenue, CA

Sunthara Hay, DO is an obstetrics & gynecology physician with a practice address in 2500 Alhambra Avenue, California, and NPI 1073696720, issued on Oct 23, 2006. Check the license (California 20A7829, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073696720
Name
Sunthara Hay
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
20A7829 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Alhambra Avenue, 2500 Alhambra Avenue, CA 94553
Phone
(925) 370-5110
Enumerated
Oct 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 370-5142
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Verify Sunthara Hay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7829    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $12.39

1 payment: food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sunthara Hay$12.39
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sunthara Hay among 5,088 obstetrics & gynecology physician records in California

Sunthara Hay, DO is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

All 5,088 in California → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Judith BlissMartinez, CA 945531184781064
  2. Joseph Bourque, MDMartinez, CA 945531225116312
  3. Huy DaoMartinez, CA 945531447333497
  4. Susan FeierabendMartinez, CA 945531982781548
  5. Joseph MacedoMartinez, CA 945531043354814
  6. Victoria Mancuso, MDMartinez, CA 945531437237591
  7. Ogo Mbanugo, MDMartinez, CA 945531962572867
  8. Emily Newfield, MDMartinez, CA 945531922273192

Common questions

What is Sunthara Hay, DO's NPI number?

Sunthara Hay, DO's National Provider Identifier (NPI) is 1073696720, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sunthara Hay, DO located?

The NPPES record lists a practice address at 2500 Alhambra Avenue, 2500 Alhambra Avenue, CA, 94553. Phone: (925) 370-5110. Providers update this record themselves, so call before visiting.

How can I verify Sunthara Hay, DO's license?

NPPES lists California license number 20A7829, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.