Payton Amelia Ottum
Obstetrics & Gynecology Physician · La Jolla, CA
Payton Amelia Ottum is an obstetrics & gynecology physician with a practice address in La Jolla, California, and NPI 1154900785, issued on Apr 2, 2021. Check the license (California A192586, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Payton Amelia Ottum
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A192586 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Campus Point Dr, La Jolla, CA 92037
- Phone
- (858) 657-7000
- Enumerated
- Apr 2, 2021
- Record last updated
- Nov 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250912001373); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 9300 Campus Point Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadia Abu-Douleh, MSN CNM WHNP-BCAdvanced Practice Midwife1851157937
- Alina Adeel, M.DInfectious Disease Physician1831453596
- Delissa Ainsworth, PA-CPhysician Assistant1750734893
- Danielle Aliano, MDHospitalist Physician1891377842
- Emily Allard-Phillips, MDObstetrics & Gynecology Physician1194247635
- Joud AlmogatiDiagnostic Radiology Physician1548931983
Verify Payton Amelia Ottum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A192586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
141 Medicare Part D claims for 58 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 35 claims were for opioids.
Most prescribed
- Oxycodone Hcl32 claims
- Ibuprofen27 claims
- Ondansetron Odt20 claims
- Estradiol13 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Payton Amelia Ottum among 5,088 obstetrics & gynecology physician records in California
Payton Amelia Ottum 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 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 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).
68 obstetrics & gynecology physician records list a practice address in La Jolla
They are 68 of the 3,648 NPPES records with a practice address in La Jolla, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in La Jolla → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Timothy Bilash, M.D., M.S.La Jolla, CA 920371437189545
- Seth Bulow, M.D.La Jolla, CA 920371174635320
- Chrysten Cunningham, DOLa Jolla, CA 920371265435606
- Pamela Deak, M.D.La Jolla, CA 920371316978554
- Maureen Farrell, M.D.La Jolla, CA 920371508842303
- Robert Gordon, M.D.La Jolla, CA 920371619944030
- Pratima Gupta, MDLa Jolla, CA 920371891749842
- Patrick Haggerty, MDLa Jolla, CA 920371245280841
Common questions
What is Payton Amelia Ottum's NPI number?
Payton Amelia Ottum's National Provider Identifier (NPI) is 1154900785, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Payton Amelia Ottum located?
The NPPES record lists a practice address at 9300 Campus Point Dr, La Jolla, CA, 92037. Phone: (858) 657-7000. Providers update this record themselves, so call before visiting.
How can I verify Payton Amelia Ottum's license?
NPPES lists California license number A192586, 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 Payton Amelia Ottum prescribe under Medicare Part D?
In 2024, Payton Amelia Ottum had 141 Medicare Part D claims for 58 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.