Katherine Neitzke, MD
Family Medicine Physician · Baltimore, MD
Katherine Neitzke, MD is a family medicine physician with a practice address in Baltimore, Maryland, and NPI 1326542440, issued on Mar 22, 2018. Check the license (Maryland D0091098, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katherine Neitzke
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- D0091098 MD
MD600005848 DC
ML60850747 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 N Charles St, Baltimore, MD 21201
- Phone
- (108) 372-0504
- Enumerated
- Mar 22, 2018
- Record last updated
- Jun 16, 2026
- Fax
- (866) 629-0091
- Medicare enrollment
- Enrolled (PECOS I20210827001388); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 1111 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Neitzke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0091098Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average family medicine physician in 2024
2,661 Medicare Part D claims for 159 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims. 56 claims were for opioids.
Most prescribed
- Biktarvy230 claims
- Atorvastatin Calcium178 claims
- Amlodipine Besylate123 claims
- Losartan Potassium69 claims
- Albuterol Sulfate Hfa65 claims
- Pravastatin Sodium64 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
- Chase Brexton Health Services IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Neitzke among 1,912 family medicine physician records in Maryland
Katherine Neitzke, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2004 among the 1,141 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Maryland
There are 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Baltimore → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Beth Barnet, M.D.Baltimore, MD 212011487693370
- Robert Barthel, M.D., M.H.S.Baltimore, MD 212011982681581
- Richard Colgan, MDBaltimore, MD 212011760421549
- Stephanie Davis, MDBaltimore, MD 212011013976091
- Richard Dressler, M.D.Baltimore, MD 212011811952807
- Lenonie Hanley, M.DBaltimore, MD 212011255352811
- Niharika Khanna, MBBS, MD, DGOBaltimore, MD 212011225078678
- Eduardo Leon Guerrero, M.D.Baltimore, MD 212011407817778
Common questions
What is Katherine Neitzke, MD's NPI number?
Katherine Neitzke, MD's National Provider Identifier (NPI) is 1326542440, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Neitzke, MD located?
The NPPES record lists a practice address at 1111 N Charles St, Baltimore, MD, 21201. Phone: (108) 372-0504. Providers update this record themselves, so call before visiting.
How can I verify Katherine Neitzke, MD's license?
NPPES lists Maryland license number D0091098, 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 Katherine Neitzke, MD prescribe under Medicare Part D?
In 2024, Katherine Neitzke, MD had 2,661 Medicare Part D claims for 159 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.