Kara Rakoczy-Byun, MD
Pulmonary Disease Physician · Oakland, CA
Kara Rakoczy-Byun, MD is a pulmonary disease physician with a practice address in Oakland, California, and NPI 1912987934, issued on Jan 17, 2006. Check the license (California 00A821710, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kara Rakoczy-Byun
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 00A821710 CA
A82171 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Harrison St, Oakland, CA 94612
- Phone
- (510) 625-6266
- Enumerated
- Jan 17, 2006
- Record last updated
- Jan 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20040730000986); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 1800 Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devyn Ahern, CRNACertified Registered Nurse Anesthetist1477848604
- Andrea Ajayi, MDEmergency Medicine Physician1164413472
- Fahmida Akhter AlamFamily Medicine Physician1902334451
- Stephen Chen, M.D.Internal Medicine Physician1265601553
- Julie Do, PHARMDPharmacist1194096800
- Kristen Frimpong-Boateng, M.D.Family Medicine Physician1720442601
Verify Kara Rakoczy-Byun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00A821710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
1,246 Medicare Part D claims for 198 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Spiriva Respimat142 claims
- Prednisone107 claims
- Wixela Inhub86 claims
- Azithromycin83 claims
- Breyna63 claims
- Pantoprazole Sodium60 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 IncVacaville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kara Rakoczy-Byun among 1,443 pulmonary disease physician records in California
Kara Rakoczy-Byun, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2002 among the 1,061 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Oakland → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Caryn Lum, MDOakland, CA 946121497738884
- Elena Kennedy, MDOakland, CA 946111104280833
- Albert Nadjarian, MD, MPHOakland, CA 946111457883258
- Christopher Nguyen, M.D.Oakland, CA 946111013218544
- Thomas Williams, M.D.Oakland, CA 946101619004967
- Vidhya Balasubramanian, M.D.Oakland, CA 946091972705457
- Leland Dobbs, M.D.Oakland, CA 946091760422356
- Justin Dumouchel, M.D.Oakland, CA 946091508050212
Common questions
What is Kara Rakoczy-Byun, MD's NPI number?
Kara Rakoczy-Byun, MD's National Provider Identifier (NPI) is 1912987934, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kara Rakoczy-Byun, MD located?
The NPPES record lists a practice address at 1800 Harrison St, Oakland, CA, 94612. Phone: (510) 625-6266. Providers update this record themselves, so call before visiting.
How can I verify Kara Rakoczy-Byun, MD's license?
NPPES lists California license number 00A821710, 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 Kara Rakoczy-Byun, MD prescribe under Medicare Part D?
In 2024, Kara Rakoczy-Byun, MD had 1,246 Medicare Part D claims for 198 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.