Christopher R. Koltz, MD
Internal Medicine Physician · Towson, MD
Christopher R. Koltz, MD is an internal medicine physician with a practice address in Towson, Maryland, and NPI 1750516613, issued on May 21, 2009. Check the license (Maryland D73834, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Christopher R. Koltz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D73834 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7505 Osler Dr Ste 406, Towson, MD 21204
- Phone
- (410) 560-6199
- Enumerated
- May 21, 2009
- Record last updated
- Sep 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (410) 426-5497
- Medicare enrollment
- Enrolled (PECOS I20120823000218); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 7505 Osler Dr Ste 406
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muzamil Jawed, DOInternal Medicine Physician1154988426
- Lindsay Oliver, CRNPFamily Nurse Practitioner1730829854
Verify Christopher R. Koltz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D73834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average internal medicine physician in 2024
5,337 Medicare Part D claims for 399 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 83 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium464 claims
- Atorvastatin Calcium347 claims
- Amlodipine Besylate309 claims
- Levothyroxine Sodium152 claims
- Losartan Potassium141 claims
- Ezetimibe130 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Maryland St Joseph Medical Group LLCTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher R. Koltz among 3,904 internal medicine physician records in Maryland
Christopher R. Koltz, 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 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2003 among the 2,445 with a school on file
- Record last updated2018 · 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).
121 internal medicine physician records list a practice address in Towson
They are 121 of the 3,721 NPPES records with a practice address in Towson, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Towson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Boersma, M.D.Towson, MD 212041235117219
- Jeffrey Briggs, M.D.Baltimore, MD 212041063491371
- Pauline Daley Richards, M.D.Baltimore, MD 212041174504864
- Iris Davis, MDBaltimore, MD 212041588654297
- Vincent Dipietro, M.D.Towson, MD 212041619948791
- Donna Dow, M.D.Towson, MD 212041821096355
- Pochna Kahle, M.D.Towson, MD 212041417949298
- Amit Khosla, M.D.Towson, MD 212041225035165
Common questions
What is Christopher R. Koltz, MD's NPI number?
Christopher R. Koltz, MD's National Provider Identifier (NPI) is 1750516613, issued on May 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Christopher R. Koltz, MD located?
The NPPES record lists a practice address at 7505 Osler Dr Ste 406, Towson, MD, 21204. Phone: (410) 560-6199. Providers update this record themselves, so call before visiting.
How can I verify Christopher R. Koltz, MD's license?
NPPES lists Maryland license number D73834, as entered by the provider. 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 Christopher R. Koltz, MD prescribe under Medicare Part D?
In 2024, Christopher R. Koltz, MD had 5,337 Medicare Part D claims for 399 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Christopher R. Koltz, MD's MIPS final score?
The 2023 MIPS final score is 89.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.