Karen Elizabeth Crabtree, M.D.
Obstetrics & Gynecology Physician · Ukiah, CA
Karen Elizabeth Crabtree, M.D. is an obstetrics & gynecology physician with a practice address in Ukiah, California, and NPI 1629276472, issued on Jul 3, 2007. Check the license (California A42929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Elizabeth Crabtree
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A42929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 333 Laws Ave, Ukiah, CA 95482
- Phone
- (707) 468-1010
- Enumerated
- Jul 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 462-7078
- Medicare enrollment
- Enrolled (PECOS I20071027000046); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 333 Laws Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brie Abbe, CNMAdvanced Practice Midwife1457020398
- Jorge Allende, M.D.Hospitalist Physician1619970068
- Stephanie Alvarado, NPNurse Practitioner1902618267
- Sarah Alvord, M.D.Internal Medicine Physician1831402619
- Benjamin Anderson, LCSWClinical Social Worker1669513750
- Christopher Ayeko, FNPFamily Nurse Practitioner1174911994
Verify Karen Elizabeth Crabtree in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
356 Medicare Part D claims for 103 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
- Estradiol113 claims
- Medroxyprogesterone Acetate38 claims
- Clobetasol Propionate23 claims
- Premarin20 claims
- Oxybutynin Chloride18 claims
- Progesterone16 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.
Bills Medicare through one group practice
- Mendocino Community Health Clinic IncUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Elizabeth Crabtree among 5,088 obstetrics & gynecology physician records in California
Karen Elizabeth Crabtree, M.D. 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1985 · median 2004 among the 2,700 with a school on file
- Record last updated2007 · 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).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Ukiah → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- German Cuadra, D.O.Ukiah, CA 954821215450739
- Winston Eddy, M.D.Ukiah, CA 954821497739338
- Seema Nayak, M.D.Ukiah, CA 954821215108642
- John Sanchez, M.D.Ukiah, CA 954821972551844
- Dominic Amara, M.D.Sonoma, CA 954761518958313
- Cherrie Andersen, M.D.Eureka, CA 955031780672089
- William Koch, M.D.Eureka, CA 955031821063686
- Eric Lieberman, M.D.Eureka, CA 955031124094834
Common questions
What is Karen Elizabeth Crabtree, M.D.'s NPI number?
Karen Elizabeth Crabtree, M.D.'s National Provider Identifier (NPI) is 1629276472, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Elizabeth Crabtree, M.D. located?
The NPPES record lists a practice address at 333 Laws Ave, Ukiah, CA, 95482. Phone: (707) 468-1010. Providers update this record themselves, so call before visiting.
How can I verify Karen Elizabeth Crabtree, M.D.'s license?
NPPES lists California license number A42929, 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 Karen Elizabeth Crabtree, M.D. prescribe under Medicare Part D?
In 2024, Karen Elizabeth Crabtree, M.D. had 356 Medicare Part D claims for 103 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.