Colby Kulyn, MD
Internal Medicine Physician · Bakersfield, CA
Colby Kulyn, MD is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1972244465, issued on Apr 6, 2022. Check the license (California A200949, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Colby Kulyn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A200949 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 Mount Vernon Ave, Bakersfield, CA 93306
- Phone
- (661) 326-2200
- Enumerated
- Apr 6, 2022
- Record last updated
- Aug 4, 2025
- Fax
- (661) 326-2950
- Medicare enrollment
- Enrolled (PECOS I20250917003818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1700 Mount Vernon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jesslin Abraham, MDStudent in an Organized Health Care Education/Training Program1497333751
- Quinn Adams, MDStudent in an Organized Health Care Education/Training Program1790627537
Verify Colby Kulyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A200949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
77 Medicare Part D claims for 26 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 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
- Vituity Hospitalists PCRedding, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colby Kulyn among 17,696 internal medicine physician records in California
Colby Kulyn, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mariam AbdelmissehBakersfield, CA 933061902250574
- David Aguirre, M.D.Bakersfield, CA 933061538401013
- Ararat Avetisyan, M.D.Bakersfield, CA 933061649680471
- Si Chen, M.D.Bakersfield, CA 933061467794180
- Bahareh Ghafarizadeh, M.DBakersfield, CA 933061548503683
- Mohamed Hammami, MDBakersfield, CA 933061285049726
- Royce Johnson, MDBakersfield, CA 933061336174655
- Jerome Lazaga, M.D.Bakersfield, CA 933061639417181
Common questions
What is Colby Kulyn, MD's NPI number?
Colby Kulyn, MD's National Provider Identifier (NPI) is 1972244465, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Colby Kulyn, MD located?
The NPPES record lists a practice address at 1700 Mount Vernon Ave, Bakersfield, CA, 93306. Phone: (661) 326-2200. Providers update this record themselves, so call before visiting.
How can I verify Colby Kulyn, MD's license?
NPPES lists California license number A200949, 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 Colby Kulyn, MD prescribe under Medicare Part D?
In 2024, Colby Kulyn, MD had 77 Medicare Part D claims for 26 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.