Karolin Ovrahim Reed, M.D.
Hospitalist Physician · Santa Rosa, CA
Karolin Ovrahim Reed, M.D. is a hospitalist physician with a practice address in Santa Rosa, California, and NPI 1356584312, issued on Apr 7, 2009. Check the license (California A137092, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karolin Ovrahim Reed
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- A137092 CA
036.129593 IL
Self-reported in NPPES; status is on the state search - Practice location
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Phone
- (707) 393-4269
- Enumerated
- Apr 7, 2009
- Record last updated
- Oct 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20151102002194); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2009
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 401 Bicentennial Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Ackerman, RNRegistered Nurse1376409409
- Patricia AdamsPhysical Therapist1124971825
- Hugo Aguilar, PHARMDPharmacist1992389134
- Heather Aiello, OTR/LOccupational Therapist1851155022
- Sandra Akrawi, REGISTERED DIETITIANRegistered Dietitian1790821031
- Miguel Alcala, LCSWClinical Social Worker1629857891
Verify Karolin Ovrahim Reed in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average hospitalist physician in 2024
348 Medicare Part D claims for 159 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Oxycodone Hcl15 claims
- Cefpodoxime Proxetil14 claims
- Bisoprolol Fumarate13 claims
- Cephalexin12 claims
- Atorvastatin Calcium11 claims
- Furosemide11 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
- Permanente Medical Group IncSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karolin Ovrahim Reed among 3,099 hospitalist physician records in California
Karolin Ovrahim Reed, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 39% of them.
- NPI issued2009 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2009 · median 2010 among the 2,505 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Santa Rosa → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Pankaj Arora, MDSanta Rosa, CA 954031033110044
- B. Pamela Burleson, MDSanta Rosa, CA 954031760566830
- Frederick Challoner, MDSanta Rosa, CA 954031043394117
- Margaret Guo, MDSanta Rosa, CA 954031760566764
- Helen Hammer, MDSanta Rosa, CA 954031962586933
- Garima Hoffmann, MDSanta Rosa, CA 954031861576837
- Vivek Kumra, MDSanta Rosa, CA 954031972687044
- Deborah Lawson, MDSanta Rosa, CA 954031548332349
Common questions
What is Karolin Ovrahim Reed, M.D.'s NPI number?
Karolin Ovrahim Reed, M.D.'s National Provider Identifier (NPI) is 1356584312, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karolin Ovrahim Reed, M.D. located?
The NPPES record lists a practice address at 401 Bicentennial Way, Santa Rosa, CA, 95403. Phone: (707) 393-4269. Providers update this record themselves, so call before visiting.
How can I verify Karolin Ovrahim Reed, M.D.'s license?
NPPES lists California license number A137092, 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 Karolin Ovrahim Reed, M.D. prescribe under Medicare Part D?
In 2024, Karolin Ovrahim Reed, M.D. had 348 Medicare Part D claims for 159 beneficiaries; the average among hospitalist physician prescribers was 521. 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.