NPPES file of Aug 9, 2026

Eric Alvin Ritter, MD

Hospitalist Physician · Baltimore, MD

Eric Alvin Ritter, MD is a hospitalist physician with a practice address in Baltimore, Maryland, and NPI 1659557593, issued on Jan 10, 2008. Check the license (Maryland D71390, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659557593
Name
Eric Alvin Ritter
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
D71390 MD
Self-reported in NPPES; status is on the state search
Practice location
1335 W Baltimore St, Baltimore, MD 21223
Phone
(240) 856-3375
Enumerated
Jan 10, 2008
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110131000040); may accept Medicare assignment
Medical or professional school
Meharry Medical College School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Eric Alvin Ritter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D71390
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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99% more Medicare Part D claims than the average hospitalist physician in 2024

1,035 Medicare Part D claims for 32 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Eric Ritter1,035
  2. Specialty average521

Most prescribed

  1. Gabapentin94 claims
  2. Buprenorphine-Naloxone92 claims
  3. Amlodipine Besylate74 claims
  4. Lisinopril70 claims
  5. Suboxone58 claims
  6. Albuterol Sulfate Hfa52 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.

Industry payments in 2024: $40,296.27

65 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Ritter$40,296
  2. Specialty average$495

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Eric Alvin Ritter among 397 hospitalist physician records in Maryland

Eric Alvin Ritter, MD is one of 397 hospitalist physician records with a practice address in Maryland. 91% 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 27% of them.

  • NPI issued2008 · 27% of these records are older, 64% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2006 · median 2010 among the 330 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Maryland

There are 397 hospitalist physician records in Maryland.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Turja Chakrabarti, M.D.Baltimore, MD 212241659805547
  2. Elizabeth Eden, MDBaltimore, MD 212241679816532
  3. Kavya Gorukanti, M.D.Baltimore, MD 212241093133738
  4. Emily Insetta, M.D.Baltimore, MD 212241073933180
  5. Tahreem Iqbal, MDBaltimore, MD 212241073019915
  6. Atena KamaliBaltimore, MD 212241609294719
  7. Waseem Khaliq, MDBaltimore, MD 212241912928714
  8. Keshav Khanijow, M.D.Baltimore, MD 212241104243393

Common questions

What is Eric Alvin Ritter, MD's NPI number?

Eric Alvin Ritter, MD's National Provider Identifier (NPI) is 1659557593, issued on Jan 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eric Alvin Ritter, MD located?

The NPPES record lists a practice address at 1335 W Baltimore St, Baltimore, MD, 21223. Phone: (240) 856-3375. Providers update this record themselves, so call before visiting.

How can I verify Eric Alvin Ritter, MD's license?

NPPES lists Maryland license number D71390, 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 Eric Alvin Ritter, MD prescribe under Medicare Part D?

In 2024, Eric Alvin Ritter, MD had 1,035 Medicare Part D claims for 32 beneficiaries; the average among hospitalist physician prescribers was 521. 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.