Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLISON ELIZABETH RAJAN
NPI 1124778444
Obstetrics & Gynecology in San Diego, CA

Q: What is Allison Rajan's NPI number?

The NPI number for Allison Rajan is 1124778444. It was assigned to this individual provider in the NPPES registry on March 28, 2022. The provider is also known as Allison Elizabeth Hourigan.

Q: What is Allison Rajan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Allison Rajan was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.

Active since March 28, 2022PECOS Enrolled

200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 19, 2026, May 27, 2026 (2 updates tracked since 2026).

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About Allison Elizabeth Rajan NPPES

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

ALLISON ELIZABETH RAJAN (NPI 1124778444) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (188529) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1124778444

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameALLISON ELIZABETH RAJAN

Location Address200 W ARBOR DRSan Diego, CA 92103-9000

Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273

Phone(800) 926-8273

Fax(888) 539-8781

Sole ProprietorNo

Enumeration DateMarch 28, 2022

Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration

NPPES CertifiedAugust 19, 2026

✔ NPI 1124778444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CA · 188529✔ Licensed in AK · 252360

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

200 W ARBOR DR, San Diego, CA 92103

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Other Names 1

Former Name (1)Allison Elizabeth Hourigan

Secondary Practice Locations 7

Location 11650 Cowles StFairbanks, AK 99701-5907 · Phone (907) 458-2794 · Fax (907) 458-5180

Location 24910 Directors PlSan Diego, CA 92121-3811 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 316950 Via TazonSan Diego, CA 92127-1607 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 46030 Village Way Ste 200San Diego, CA 92130-2973 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 54168 Front StSan Diego, CA 92103-2030 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 69300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 78910 Villa La Jolla DrLA Jolla, CA 92037-1701 · Phone (800) 926-8273 · Fax (888) 539-8781

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Elizabeth Rajan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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.

DR. RAMIN MOTARJEMI M.D.

Internal Medicine (Geriatric Medicine)