ALISON LYN DEFOREST SJAHRIAL MD
NPI 1154900843
Obstetrics & Gynecology in San Diego, CA

Q: What is Alison Deforest Sjahrial's NPI number?

The NPI number for Alison Deforest Sjahrial is 1154900843. It was assigned to this individual provider in the NPPES registry on April 7, 2021. The provider is also known as Alison Lyn Deforest.

Q: What is Alison Deforest Sjahrial's specialty?

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

Active since April 07, 2021PECOS EnrolledAccepts Medicare Assignment

1809 NATIONAL AVE, SAN DIEGO, CA 92113(619) 515-2300 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Alison Lyn Deforest Sjahrial Md NPPES

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

ALISON LYN DEFOREST SJAHRIAL MD (NPI 1154900843) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A188120) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2021).

NPPES Registry Identity

NPI1154900843

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameALISON LYN DEFOREST SJAHRIALCredential: MD

Location Address1809 NATIONAL AVESan Diego, CA 92113-2113

Mailing Address823 Gateway Center WaySan Diego, CA 92102-4541 · (619) 515-2300

Phone(619) 515-2300

Sole ProprietorYes

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2021

Enumeration DateApril 7, 2021

Last NPPES UpdateSeptember 29, 2025

NPPES CertifiedSeptember 29, 2025

✔ NPI 1154900843 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 · A188120

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.

1809 NATIONAL AVE, San Diego, CA 92113

Open in Google Maps ↗

Other Names 1

Former Name (1)Alison Lyn Deforest

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alison Lyn Deforest Sjahrial Md 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 ID9830602218

PECOS Enrollment IDI20250630001225

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 92113 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.

ISMAEL LABRA HERNANDEZ

Nutritionist (Nutrition, Education)