Katherine Patricia Reim, MD
Obstetrics & Gynecology Physician · Greenbrae, CA
Katherine Patricia Reim, MD is an obstetrics & gynecology physician with a practice address in Greenbrae, California, and NPI 1417451758, issued on Mar 21, 2018. Check the license (California A163981, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Patricia Reim
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A163981 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100A Drakes Landing RD Ste 225, Greenbrae, CA 94904
- Phone
- (415) 461-7800
- Enumerated
- Mar 21, 2018
- Record last updated
- Jun 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20220810001453); may accept Medicare assignment
- Medical or professional school
- Mayo Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 100A Drakes Landing RD Ste 225
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexis Cardellini, M.D.Obstetrics & Gynecology Physician1922242858
- Courtney Cines, PA-CPhysician Assistant1447758404
- Amanda Deson, D.O.Obstetrics & Gynecology Physician1407203599
- Kate Frometa Song, CNMMidwife1497709844
- Alyssa Lo, MDObstetrics & Gynecology Physician1952964835
- Sujatha Pathi, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1639353279
Verify Katherine Patricia Reim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
156 Medicare Part D claims for 82 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol50 claims
- Nitrofurantoin Mono-Macro13 claims
- Progesterone13 claims
- Estring12 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): 75.1 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: $84.07
3 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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 Univ OF California UcsfSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Patricia Reim among 5,088 obstetrics & gynecology physician records in California
Katherine Patricia Reim, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 obstetrics & gynecology physician records list a practice address in Greenbrae
They are 26 of the 727 NPPES records with a practice address in Greenbrae, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Greenbrae → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Stephen Bearg, M.D.10161945Greenbrae, CA 949041194702431
- Nona Cunningham, M.D.Greenbrae, CA 949041770560997
- Brian Demuth, MDGreenbrae, CA 949041770553950
- Sylvia Flores, M.D.Greenbrae, CA 949041114904307
- Lucia Franca, M.D.Greenbrae, CA 949041558522722
- David Galland, M.D.Greenbrae, CA 949041154392637
- Cortney Harper, M.D.Greenbrae, CA 949041053587667
- Richard Hunter, MDGrennbrae, CA 949041235299272
Common questions
What is Katherine Patricia Reim, MD's NPI number?
Katherine Patricia Reim, MD's National Provider Identifier (NPI) is 1417451758, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Patricia Reim, MD located?
The NPPES record lists a practice address at 100A Drakes Landing RD Ste 225, Greenbrae, CA, 94904. Phone: (415) 461-7800. Providers update this record themselves, so call before visiting.
How can I verify Katherine Patricia Reim, MD's license?
NPPES lists California license number A163981, 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 Katherine Patricia Reim, MD prescribe under Medicare Part D?
In 2024, Katherine Patricia Reim, MD had 156 Medicare Part D claims for 82 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Katherine Patricia Reim, MD's MIPS final score?
The 2023 MIPS final score is 75.1 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.