JENNIFER L GRABENSTETTER (MD) – Obstetrics & Gynecology Physician, NPI 1851583884

JENNIFER L GRABENSTETTER (MD) is a healthcare provider. based in San ramon, California. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials MD. They hold a License No. A114720 (CA). The NPI Number for JENNIFER L GRABENSTETTER (MD) is 1851583884

Main info

Female
19 Years Of Experience
Accepts Medicare Assignment
Name
JENNIFER L GRABENSTETTER (MD)
NPI
1851583884
Phone
(925) 736-0110
Address
11030 BOLLINGER CANYON RD
Enumeration Date
14 August 2007
Last Update Date
1 February 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2166365860
Graduation Year
2007 (19 years ago)
PAC ID
0446428700
Group Practice PAC ID
1850203555
Professional Enrollment ID
I20180104001034
Address ID
OH443332483AK4125XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:18State licenses:3Digital endpointsOther names

4,008 OBSTETRICS/GYNECOLOGY in CA

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Provider Addresses for JENNIFER L GRABENSTETTER (MD)

  • Chase, 11030, Bollinger Canyon Road, Gale Ranch, San Ramon, Contra Costa County, California, 94582, United States

    SUITE 250

    SAN RAMON, CA 94582

    Phone: (925) 736-0110

    Fax: (925) 736-0120

    Type: Location

  • 970 E WASHINGTON ST STE 5A

    MEDINA, OH 442562181

    Phone: (330) 725-5282

    Fax: (330) 725-2244

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 41 Open Payments records for all available years, with a total value of $53,849.

Total Amount is formed as General ($53,849) + Research ($0) + Ownership ($0) = $53,849.

Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Applied Medical Resources Corporation ($53,849).

Total Amount

$53,849

General + Research + Ownership

Payments

41

Total payment records

General Amount

$53,849

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-09

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2018-01-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20180104001034IObstetrics/GynecologyOHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94582)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1850203555View full group profile
NameSpecialtyState
-NV
Nephrology, Internal MedicineOH
-OH
-MI
Nurse PractitionerOH
General Surgery, Anesthesiology, Critical Care (Intensivists)OH
Certified Registered Nurse Anesthetist (Crna)OH
-OH
-MN
Nurse PractitionerOH

Reviews

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Frequently asked questions

Does JENNIFER L GRABENSTETTER (MD) have a public NPI I can cite?
Public records show JENNIFER L GRABENSTETTER (MD) under NPI 1851583884.
Quick check: is JENNIFER L GRABENSTETTER (MD) active?
Public NPPES data shows JENNIFER L GRABENSTETTER (MD) with an active NPI status right now.
What type of care does JENNIFER L GRABENSTETTER (MD) provide?
JENNIFER L GRABENSTETTER (MD)'s profile centers on Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
Is JENNIFER L GRABENSTETTER (MD) tied to San Ramon, California?
If you are local to San Ramon, California, JENNIFER L GRABENSTETTER (MD) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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