Kristen Rayner, MD
Internal Medicine Physician · Baltimore, MD
Kristen Rayner, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1831777614, issued on Mar 31, 2021. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Kristen Rayner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA12451000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St RM N3E09, Baltimore, MD 21201
- Phone
- (410) 328-6110
- Enumerated
- Mar 31, 2021
- Record last updated
- Dec 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20251028002725); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 22 S Greene St RM N3E09
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Faisal Abushullaih, MBBSStudent in an Organized Health Care Education/Training Program1629770938
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Verify Kristen Rayner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 2 group practices
- Hackensack Meridian Health Medical Group - Specialty Care PCHackensack, NJ
- Valley Physician Services PCParamus, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Rayner among 3,904 internal medicine physician records in Maryland
Kristen Rayner, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2003 among the 2,445 with a school on file
- Record last updated2024 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sungyon Jang, M.D.Baltimore, MD 212011477519304
- Marcia Kane, MDBaltimore, MD 212011770564254
- Mien-Door KiouneBaltimore, MD 212011104892207
- Frederick Kotler, M.D.Baltimore, MD 212011356304216
Common questions
What is Kristen Rayner, MD's NPI number?
Kristen Rayner, MD's National Provider Identifier (NPI) is 1831777614, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Rayner, MD located?
The NPPES record lists a practice address at 22 S Greene St RM N3E09, Baltimore, MD, 21201. Phone: (410) 328-6110. Providers update this record themselves, so call before visiting.
How can I verify Kristen Rayner, MD's license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kristen Rayner, MD prescribe under Medicare Part D?
In 2024, Kristen Rayner, MD had 12 Medicare Part D claims; 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.