Carsten Hartwig Ritter, MD
Vascular Neurology Physician · Baltimore, MD
Carsten Hartwig Ritter, MD is a vascular neurology physician with a practice address in Baltimore, Maryland, and NPI 1982869343, issued on Jul 25, 2008. Check the license (Maryland D69589, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Carsten Hartwig Ritter
- Credential
- MD
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License numbers
- D69589 MD
MD038152 DC
MC-1815 ID
2025017339 MO
30262 MS
Self-reported in NPPES; status is on the state search - Practice location
- 5051 Greenspring Ave Ste 300, Baltimore, MD 21209
- Phone
- (410) 601-8077
- Enumerated
- Jul 25, 2008
- Record last updated
- Jun 6, 2025
- Fax
- (410) 601-8905
- Medicare enrollment
- Enrolled (PECOS I20250612002715); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 14 in Maryland → Look up another NPI →
Also registered at 5051 Greenspring Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Kardon, DONeurology Physician1730685371
Verify Carsten Hartwig Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D69589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $39.33
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mercy Clinic Springfield CommunitiesSpringfield, MO
- Sinai Hospital OF Baltimore, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carsten Hartwig Ritter among 14 vascular neurology physician records in Maryland
Carsten Hartwig Ritter, MD is one of 14 vascular neurology physician records with a practice address in Maryland. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 43% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2011 among the 10 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in Maryland
There are 14 vascular neurology physician records in Maryland.
All 14 in Maryland → Every provider in Baltimore → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Kathryn Grimes, MDBaltimore, MD 212011619473535
- Steven KittnerBaltimore, MD 212011932116431
- Shyam Majmundar, MDBaltimore, MD 212011043748916
- Gunjan Parikh, M.D.Baltimore, MD 212011497940886
- Michael Phipps, M.D.Baltimore, MD 212011457534745
- Susanne Muehlschlegel, M.D.Baltimore, MD 212241376599415
- Navreet Kaur, MBBSBaltimore, MD 212291316590367
- Amita Singh, M.D.Baltimore, MD 212371952762874
Common questions
What is Carsten Hartwig Ritter, MD's NPI number?
Carsten Hartwig Ritter, MD's National Provider Identifier (NPI) is 1982869343, issued on Jul 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Carsten Hartwig Ritter, MD located?
The NPPES record lists a practice address at 5051 Greenspring Ave Ste 300, Baltimore, MD, 21209. Phone: (410) 601-8077. Providers update this record themselves, so call before visiting.
How can I verify Carsten Hartwig Ritter, MD's license?
NPPES lists Maryland license number D69589, 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.
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.