Jennifer L. Gruenenfelder, M.D.
Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician · Newport Beach, CA
Jennifer L. Gruenenfelder, M.D. is a urogynecology and reconstructive pelvic surgery (urology) physician with a practice address in Newport Beach, California, and NPI 1922063627, issued on Apr 18, 2006. Check the license (California A79544, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer L. Gruenenfelder
- Credential
- M.D.
- Primary taxonomy
- Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician 2088F0040X
- License numbers
- A79544 CA
M-15918 ID
Self-reported in NPPES; status is on the state search - Practice location
- 510 Superior Ave Ste 200F, Newport Beach, CA 92663
- Phone
- (949) 999-8979
- Enumerated
- Apr 18, 2006
- Record last updated
- Jul 7, 2026
- Fax
- (949) 999-8970
- Medicare enrollment
- Enrolled (PECOS I20111216000128); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1995
- Entity
- Type 1 · individual
8 nearest urogynecology and reconstructive pelvic surgery (urology) physician records → All 31 in California → Look up another NPI →
Also registered at 510 Superior Ave Ste 200F
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Colon, MDUrology Physician1275067142
- Lauren Fanning, M.D.Urology Physician1265696298
- Charles Loeb, MDUrology Physician1750878997
- Kevin Nguyen, PA-CPhysician Assistant1700633666
- Layne Williams, PA-CPhysician Assistant1588448906
- Hanson Zhao, MDUrology Physician1891297990
Verify Jennifer L. Gruenenfelder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average urogynecology and reconstructive pelvic surgery (urology) physician in 2024
1,562 Medicare Part D claims for 404 beneficiaries, against an average of 1,228 among the 154 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 84 claims were for opioids.
Most prescribed
- Oxybutynin Chloride Er196 claims
- Myrbetriq192 claims
- Sulfamethoxazole-Trimethoprim153 claims
- Estradiol122 claims
- Tamsulosin Hcl72 claims
- Ondansetron Odt69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,843.92
22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 149 providers of this specialty with any payment received $4,867.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer L. Gruenenfelder among 31 urogynecology and reconstructive pelvic surgery (urology) physician records in California
Jennifer L. Gruenenfelder, M.D. is one of 31 urogynecology and reconstructive pelvic surgery (urology) physician records with a practice address in California. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 81% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated1995 · median 2008 among the 28 with a school on file
- Record last updated2026 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2088F0040X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician providers in California
There are 31 urogynecology and reconstructive pelvic surgery (urology) physician records in California.
All 31 in California → Every provider in Newport Beach → Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician nationwide →
The 8 urogynecology and reconstructive pelvic surgery (urology) physician records with the nearest ZIP codes
- Leah Nakamura, M.D.Laguna Hills, CA 926531063626893
- Poone Shoureshi, M.D.Laguna Hills, CA 926531023472149
- Seth Cohen, M.D.Irvine, CA 926181164670287
- Zhina Sadeghi, M.D.Orange, CA 928681346684867
- Junchan Yune, M.D.Loma Linda, CA 923541831398700
- Michelle Koski, M.D.San Diego, CA 921111144377938
- Chong Choe, M.D.Oceansdie, CA 920551861464513
- Diana Kang, MDLa Jolla, CA 920371053577478
Common questions
What is Jennifer L. Gruenenfelder, M.D.'s NPI number?
Jennifer L. Gruenenfelder, M.D.'s National Provider Identifier (NPI) is 1922063627, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer L. Gruenenfelder, M.D. located?
The NPPES record lists a practice address at 510 Superior Ave Ste 200F, Newport Beach, CA, 92663. Phone: (949) 999-8979. Providers update this record themselves, so call before visiting.
How can I verify Jennifer L. Gruenenfelder, M.D.'s license?
NPPES lists California license number A79544, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennifer L. Gruenenfelder, M.D. prescribe under Medicare Part D?
In 2024, Jennifer L. Gruenenfelder, M.D. had 1,562 Medicare Part D claims for 404 beneficiaries; the average among urogynecology and reconstructive pelvic surgery (urology) physician prescribers was 1,228. Part D covers Medicare prescriptions only.
What is Jennifer L. Gruenenfelder, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.