DR. JACLYN M GRENTZER MD, MSCI
NPI 1215240338
Obstetrics & Gynecology - Complex Family Planning in Riverside, CA

Q: What is Jaclyn Grentzer's NPI number?

The NPI number for Jaclyn Grentzer is 1215240338. It was assigned to this individual provider in the NPPES registry on July 18, 2010.

Q: What is Jaclyn Grentzer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Complex Family Planning, with taxonomy code 207VC0300X.

Q: When was this NPI record last updated?

The NPPES record for Jaclyn Grentzer was last updated on July 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 18, 2010PECOS Enrolled

10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(833) 574-2273 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 7, 2023, Aug 15, 2022 (2 updates tracked since 2022).

On this page

About Dr. Jaclyn M Grentzer Md, Msci NPPES

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

DR. JACLYN M GRENTZER MD, MSCI (NPI 1215240338) is an individual complex family planning provider in Riverside, California, licensed in California (A145051) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Agoura Hills.

NPPES Registry Identity

NPI1215240338

Entity TypeIndividualFemale

Primary Taxonomy207VC0300X

Provider Legal NameDR. JACLYN M GRENTZERCredential: MD, MSCI

Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043

Mailing Address801 E Katella AveAnaheim, CA 92805-6614

Phone(833) 574-2273

Sole ProprietorYes

Enumeration DateJuly 18, 2010

Last NPPES UpdateJuly 22, 20252 updates tracked since enumeration

NPPES CertifiedJuly 22, 2025

✔ NPI 1215240338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Complex Family PlanningAllopathic & Osteopathic Physicians

Taxonomy Code207VC0300X

License✔ Licensed in CA · A145051

Definition

A complex family planning physician specializes in the diagnosis and treatment of individuals with complex reproductive needs. These physicians are experts in abortion and contraception clinical care, research, education, and advocacy.

10800 MAGNOLIA AVE, Riverside, CA 92505

Open in Google Maps ↗

Secondary Practice Location 1

Location 129525 Canwood St Ste 220Agoura Hills, CA 91301-4231 · Phone (818) 722-3262

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jaclyn M Grentzer Md, Msci 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 92505 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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.