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Dr. Karolin Ovrahim Reed, MD
NPI1356584312PAC ID4486801131
- Medicare services, 2018
- 22
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 348
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Practice phone
- Call (707) 571-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karolin Ovrahim Reed is a hospitalist in Santa Rosa, California
Dr. Reed practices at Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
Dr. Reed's NPI, 1356584312, was assigned on April 7, 2009. Dr. Reed graduated from University of Illinois College of Medicine - Chicago in 2009. Dr. Reed holds California license A137092.
NPI and contact details
- NPI
- 1356584312NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486801131
- NPI enumeration date
- April 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 571-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karolin Ovrahim Reed practices at Santa Rosa Medical Center in Santa Rosa, California
Dr. Reed's primary practice is Santa Rosa Medical Center, at 401 Bicentennial Way, Santa Rosa, CA 95403 in Sonoma County. The practice phone is (707) 571-4000.
- Santa Rosa Medical Center401 Bicentennial Way, Santa Rosa, CA 95403 · Sonoma CountyPhone(707) 571-4000
Source: Dmand AI Affiliation Data
Dr. Karolin Ovrahim Reed is affiliated with 1 site of care and 1 medical group
Dr. Reed's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karolin Ovrahim Reed's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reed practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karolin Ovrahim Reed is one of 3,186 hospitalists in California
Hospitalist is Dr. Reed's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Reed is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Reed's licenses on file in 3 states: California, Illinois and Minnesota.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Illinois license
- Minnesota license
Clinical focus
Dmand AI lists cardiac arrhythmia and congestive heart failure among the conditions Dr. Reed treats.
Hospitalists near Dr. Reed
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
3,186hospitalists in California31hospitalists in Santa Rosa8hospitalists at Santa Rosa Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karolin Ovrahim Reed billed Medicare for 22 services in 2018
CMS data shows 22 Medicare services from Dr. Reed across 1 procedure code in 2018, for 11 Medicare patients. Medicare paid $1,217 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201822
Medicare patients11
Paid by Medicare$1,217
Procedure codes1
Dr. Reed's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 212018: 225%
Dr. Reed compared with the California median for hospitalists, 2018
- Dr. Reed
- California median
- Medicare services
- 22vs 43095% below
- Medicare patients
- 11vs 20195% below
- Part D claims
- 76vs 6910% above
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Reed's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reed and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karolin Ovrahim Reed treated 11 Medicare patients in 2024, average age 64
CMS counts 11 Medicare patients who saw Dr. Reed in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Reed's median patient age at 74, with 53% women.
Medicare patients, 202411
Average age64
Average risk score2.38
Dr. Reed's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Reed's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karolin Ovrahim Reed wrote 348 Medicare Part D claims in 2024
In 2024, Dr. Reed wrote 348 Medicare Part D claims for 159 patients. 88% of them were for generic drugs. CMS names the drug for 76 of them, across 6 drugs with 11 or more claims each, at $937 in total drug cost. In 2023, CMS named 110 claims across 8 drugs.
Part D claims, 2024348
Drugs named by CMS6
Total drug cost$937
Part D patients159
Dr. Reed's Part D claims by kind of drug, 2024
- Generic306 claims88%
- Brand-name and other42 claims12%
Dr. Reed's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Reed's Part D claims, 2024
- Opioids6%21 of 348 claims
- Antibiotics20%69 of 348 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1102024: 7631%
Drugs named by CMS: 6 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Karolin Ovrahim Reed takes part in Medicare
Dr. Reed accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karolin Ovrahim Reed has 1 publication on record
Dmand AI links 1 paper to Dr. Reed in 2021. Dr. Reed's most frequent co-authors are Helen L. Hammer, MD, Colin Thomas Iberti, MD and Vincent Liu, MD.
Papers1
Dr. Reed's most frequent co-authors
- Helen L. Hammer, MD1 shared paper
- Colin Thomas Iberti, MD1 shared paper
- Vincent Liu, MD1 shared paper
Recent publications by Dr. Reed
See who Dr. Reed researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Reed works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karolin Ovrahim Reed received $90 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Reed from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $90.
Companies that paid Dr. Reed the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karolin Ovrahim Reed graduated from University of Illinois College of Medicine - Chicago
Dr. Reed graduated from University of Illinois College of Medicine - Chicago in 2009. Dr. Reed is a member of SHM.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Karolin Ovrahim Reed accepts plans from 2 insurance carriers
Dr. Reed is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Reed accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karolin Ovrahim Reed's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karolin Ovrahim Reed
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karolin Ovrahim Reed's NPI number?
Dr. Karolin Ovrahim Reed's NPI number is 1356584312. It was assigned on April 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Karolin Ovrahim Reed?
Dr. Karolin Ovrahim Reed is a hospitalist in Santa Rosa, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Karolin Ovrahim Reed practice?
Dr. Reed practices at 401 Bicentennial Way, Santa Rosa, CA 95403. Dr. Reed's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
What is Dr. Karolin Ovrahim Reed's office phone number?
The practice phone on file for Dr. Reed is (707) 571-4000.
What is Dr. Karolin Ovrahim Reed's medical license number?
Dr. Reed holds California license A137092, one of the licenses on file in 3 states.
Which states has Dr. Karolin Ovrahim Reed been licensed in?
Dmand AI has state licenses on file for Dr. Reed in California (2015 to 2027), Illinois (2009 to 2017) and Minnesota (2012 to 2013).
Which hospitals is Dr. Karolin Ovrahim Reed affiliated with?
Dr. Reed practices at Santa Rosa Medical Center in Santa Rosa, California.
What medical group is Dr. Karolin Ovrahim Reed part of?
Dr. Reed is linked to The Permanente Medical Group, Inc.
Does Dr. Karolin Ovrahim Reed accept Medicare?
Yes. CMS data shows Dr. Reed billed Medicare for 22 services in 2018, and Dr. Reed accepts Medicare assignment.
How many Medicare patients does Dr. Karolin Ovrahim Reed see?
CMS counts 11 Medicare patients who saw Dr. Reed in 2024, with an average age of 64.
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Is Dr. Karolin Ovrahim Reed board certified?
Yes. Dr. Reed is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Karolin Ovrahim Reed bill to Medicare?
In 2018, Dr. Reed's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Karolin Ovrahim Reed go to medical school?
Dr. Reed graduated from University of Illinois College of Medicine - Chicago in 2009.
What drugs does Dr. Karolin Ovrahim Reed prescribe most?
In 2024 Medicare Part D data, Dr. Reed's most prescribed drugs by claims were Oxycodone HCl, Cefpodoxime Proxetil and Bisoprolol Fumarate.
Has Dr. Karolin Ovrahim Reed received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Dr. Reed from 1 company from 2016 to 2016. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Karolin Ovrahim Reed been practicing?
Dr. Reed graduated from medical school in 2009, 17 years ago.
Does Dr. Karolin Ovrahim Reed do research?
Dmand AI links 1 publication to Dr. Reed.
Who does Dr. Karolin Ovrahim Reed publish with?
Dr. Reed's most frequent co-authors are Helen L. Hammer, MD (1 shared paper), Colin Thomas Iberti, MD (1 shared paper) and Vincent Liu, MD (1 shared paper).
What insurance does Dr. Karolin Ovrahim Reed accept?
Dr. Reed is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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