Jaclyn Grentzer, MD, MSCI
NPI 1215240338 · Complex Family Planning Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaclyn Grentzer, MD, MSCI is a Complex Family Planning Physician provider in Riverside, CA (NPI 1215240338).
Provider details
- NPI number
- 1215240338
- Entity type
- Individual
- Primary specialty
- Complex Family Planning PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MSCI
- Sex
- Female
- Sole proprietor
- Yes
- License
- A145051 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 29525 Canwood St Ste 220Agoura Hills, CA 91301-4231Phone: (818) 722-3262
Registry dates
- Enumerated
- 2010-07-18
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Jaclyn Grentzer's NPI number?
- Jaclyn Grentzer's National Provider Identifier (NPI) is 1215240338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaclyn Grentzer's specialty?
- Jaclyn Grentzer is listed in the NPPES registry with a primary specialty of Complex Family Planning Physician (Allopathic & Osteopathic Physicians).
- Where is Jaclyn Grentzer located?
- Jaclyn Grentzer's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Jaclyn Grentzer's phone number?
- The practice phone number listed in the NPPES registry for Jaclyn Grentzer is (833) 574-2273.
- Does Jaclyn Grentzer accept Medicare?
- Jaclyn Grentzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaclyn Grentzer's NPI active?
- Yes — Jaclyn Grentzer's NPI (1215240338) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.