Tammy Lynn Hayton, M.D.
Obstetrics & Gynecology Physician · Murrieta, CA
Tammy Lynn Hayton, M.D. is an obstetrics & gynecology physician with a practice address in Murrieta, California, and NPI 1265502660, issued on Nov 9, 2006. Check the license (California G75892, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tammy Lynn Hayton
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G75892 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25460 Medical Center Dr, Murrieta, CA 92562
- Phone
- (951) 677-4748
- Enumerated
- Nov 9, 2006
- Record last updated
- Dec 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (951) 677-2926
- Medicaid ID
- GR0050580 CA
- Medicare enrollment
- Enrolled (PECOS I20081212000513); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 25460 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Boman, DDSDentist1083792972
- Jonathan Geller, O.D.Optometrist1588741748
- Joseph Glaser, M.D.Obstetrics & Gynecology Physician1841360229
- Lee Ibarra, D.M.D.Dentist1821400763
- Kendra Jones, MDObstetrics & Gynecology Physician1689887051
- Debra Lebo, D.O.Obstetrics & Gynecology Physician1760552152
Verify Tammy Lynn Hayton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
188 Medicare Part D claims for 67 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol53 claims
- Medroxyprogesterone Acetate16 claims
- Fluocinolone Acetonide11 claims
- Yuvafem11 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.
Industry payments in 2024: $106.05
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rancho Family Medical Group IncTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Lynn Hayton among 5,088 obstetrics & gynecology physician records in California
Tammy Lynn Hayton, M.D. 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 fileYes · 53% of these records are
- Graduated1991 · median 2004 among the 2,700 with a school on file
- Record last updated2011 · 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 → Every provider in Murrieta → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Michael Andersen, M.D.Murrieta, CA 925621871685008
- Brian Byrne, M.D.Murrieta, CA 925621467551994
- Pattie Dimmette, M.D.Murrieta, CA 925621962501429
- Rula Fuertez, MDMurrieta, CA 925621972751972
- Joseph Glaser, M.D.Murrieta, CA 925621841360229
- Kendra Jones, MDMurrieta, CA 925621689887051
- Frances Kim, M.D.Murrieta, CA 925621447323787
- Debra Lebo, D.O.Murrieta, CA 925621760552152
Common questions
What is Tammy Lynn Hayton, M.D.'s NPI number?
Tammy Lynn Hayton, M.D.'s National Provider Identifier (NPI) is 1265502660, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Lynn Hayton, M.D. located?
The NPPES record lists a practice address at 25460 Medical Center Dr, Murrieta, CA, 92562. Phone: (951) 677-4748. Providers update this record themselves, so call before visiting.
How can I verify Tammy Lynn Hayton, M.D.'s license?
NPPES lists California license number G75892, 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 Tammy Lynn Hayton, M.D. prescribe under Medicare Part D?
In 2024, Tammy Lynn Hayton, M.D. had 188 Medicare Part D claims for 67 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.