NPPES file of Aug 9, 2026

Ian Brent Tilley

Obstetrics & Gynecology Physician · Los Angeles, CA

Ian Brent Tilley is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1891820080, issued on Feb 21, 2007. Check the license (California A94720, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891820080
Name
Ian Brent Tilley
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A94720 CA
Self-reported in NPPES; status is on the state search
Practice location
1530 S Olive St, Los Angeles, CA 90015
Phone
(213) 746-1037
Enumerated
Feb 21, 2007
Record last updated
Mar 7, 2023
Fax
(213) 746-9379
Medicare enrollment
Enrolled (PECOS I20130715000404); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 →

Also registered at 1530 S Olive St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ataullah Abdullah, PHARMD, RPH, BCGPPharmacist1891161428
  2. Mercy Aeri, PAPhysician Assistant1386128478
  3. Aurelio AguirrePhysician Assistant1639299647
  4. Jennifer Ahn, MSN, FNP-BCFamily Nurse Practitioner1144637067
  5. Levi AkparantaPharmacist1154204840
  6. Nicole AltonPharmacist1346575362

Verify Ian Brent Tilley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94720    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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Bills Medicare through one group practice

  1. Obhg California PCPasadena, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ian Brent Tilley among 5,088 obstetrics & gynecology physician records in California

Ian Brent Tilley 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 38% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2002 · median 2004 among the 2,700 with a school on file
  • Record last updated2023 · 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 Los Angeles → Obstetrics & Gynecology Physician nationwide →

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

  1. Wesley Lindberg, MDLos Angeles, CA 900151154950285
  2. Thomas MayeliLos Angeles, CA 900151629113196
  3. Jacob RastegarLos Angeles, CA 900151821131632
  4. Peter Robinson, M.D.Los Angeles, CA 900151801900386
  5. Tracy Robinson, M.D.Los Angeles, CA 900151477696292
  6. Alice Stek, M.D.Los Angeles, CA 900151689678013
  7. Stephen Wight, M.D.Los Angeles, CA 900151134178437
  8. Margaret Bates, M.D.Los Angeles, CA 900171407956527

Common questions

What is Ian Brent Tilley's NPI number?

Ian Brent Tilley's National Provider Identifier (NPI) is 1891820080, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ian Brent Tilley located?

The NPPES record lists a practice address at 1530 S Olive St, Los Angeles, CA, 90015. Phone: (213) 746-1037. Providers update this record themselves, so call before visiting.

How can I verify Ian Brent Tilley's license?

NPPES lists California license number A94720, 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.