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IAN BRENT TILLEY
NPI 1891820080
Obstetrics & Gynecology in Los Angeles, CA

Active since February 21, 2007PECOS EnrolledAccepts Medicare Assignment
1530 S OLIVE ST, LOS ANGELES, CA 90015(213) 746-1037(213) 746-9379 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Mar 22, 2021 (2 updates tracked since 2021).

About Ian Brent Tilley NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IAN BRENT TILLEY (NPI 1891820080) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A94720) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2002).

NPPES Registry Identity

NPI1891820080
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameIAN BRENT TILLEY
Location Address1530 S OLIVE STLos Angeles, CA 90015-3023
Mailing Address1530 S Olive StLos Angeles, CA 90015-3023 · (213) 746-1037 · Fax (213) 746-9379
Phone(213) 746-1037
Fax(213) 746-9379
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2002
Enumeration DateFebruary 21, 2007
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedMarch 22, 2021
✔ NPI 1891820080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A94720
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1530 S OLIVE ST, Los Angeles, CA 90015
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ian Brent Tilley is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719127729
PECOS Enrollment IDI20130715000404
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ian Tilley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obhg California, P.C.
2,040 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. ANA MARISELA MANCILLA
Specialist/Technologist (Speech-Language Assistant)
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
ROBERT BRODHEAD
Rehabilitation Practitioner
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
CATHERINE LEE JACOBS
Advanced Practice Midwife
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
XOCHITL L JACKSON MD
Pediatrics
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 747-5542
TERRY A JORDAN
Social Worker (Clinical)
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
DARA NUNN CPNP-AC, FNP-BC
Nurse Practitioner (Pediatrics)
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 747-5542
SANDY SHIEN
Pediatrics
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
ELIZABETH DIANE JENKINS
Advanced Practice Midwife
1530 S OLIVE ST
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ian Tilley's NPI number?

The NPI number for Ian Tilley is 1891820080. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Where is Ian Tilley located?

Ian Tilley practices at 1530 S Olive St, Los Angeles, CA 90015. The listed phone number is (213) 746-1037.

What is Ian Tilley's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ian Tilley enrolled in Medicare?

Yes. Ian Tilley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ian Tilley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Tilley reassigns Medicare benefits to Obhg California, P.C. (Greenville, SC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ian Tilley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ian Tilley was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.