NPPES file of Aug 9, 2026

Steven J. Klein, MD

Rheumatology Physician · Hagerstown, MD

Steven J. Klein, MD is a rheumatology physician with a practice address in Hagerstown, Maryland, and NPI 1730185471, issued on Jun 27, 2005. Check the license (Maryland D0045175, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730185471
Name
Steven J. Klein
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
D0045175 MD
Self-reported in NPPES; status is on the state search
Practice location
346 Mill St, Hagerstown, MD 21740
Phone
(301) 791-6680
Enumerated
Jun 27, 2005
Record last updated
Mar 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(301) 714-1506
Medicaid ID
162001100 MD
Medicare enrollment
Enrolled (PECOS I20110512000583); accepts Medicare assignment
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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Also registered at 346 Mill St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Howell, MDInternal Medicine Physician1821058710
  2. Chinelo Okoye, NPNurse Practitioner1093176729
  3. Devin Traynor, PA - CMedical Physician Assistant1194919795

Verify Steven J. Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0045175
    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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79% fewer Medicare Part D claims than the average rheumatology physician in 2024

412 Medicare Part D claims for 122 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Steven Klein412
  2. Specialty average1,978

Most prescribed

  1. Methotrexate78 claims
  2. Prednisone78 claims
  3. Hydroxychloroquine Sulfate57 claims
  4. Folic Acid16 claims
  5. Celecoxib15 claims
  6. Ibuprofen15 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): 98 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.

  1. Qualityout of 100 · 30% of the final score96.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,358.53

97 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Klein$2,358.53
  2. Specialty average$8,538.33

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

Bills Medicare through one group practice

  1. Meritus Medical Center IncHagerstown, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven J. Klein among 214 rheumatology physician records in Maryland

Steven J. Klein, MD is one of 214 rheumatology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1986 · median 2001 among the 132 with a school on file
  • Record last updated2017 · 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 207RR0500X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Maryland

There are 214 rheumatology physician records in Maryland.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Okechukwu OkoyeHagerstown, MD 217401174083711
  2. Francesca Okoye, MD-PHDHagerstown, MD 217421992002992
  3. Mary Romanic, M.D.Hagerstown, MD 217421467554097
  4. Neeti Bhargava, M.D.Frederick, MD 217021588634018
  5. Alyssa Bosso, MDFrederick, MD 217021689202350
  6. Grant Louie, M.D.Frederick, MD 217021306013214
  7. Katherine Maher, M.D.Frederick, MD 217021225353865
  8. Louisa Ziglar, MDFrederick, MD 217021538336151

Common questions

What is Steven J. Klein, MD's NPI number?

Steven J. Klein, MD's National Provider Identifier (NPI) is 1730185471, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Steven J. Klein, MD located?

The NPPES record lists a practice address at 346 Mill St, Hagerstown, MD, 21740. Phone: (301) 791-6680. Providers update this record themselves, so call before visiting.

How can I verify Steven J. Klein, MD's license?

NPPES lists Maryland license number D0045175, 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 Steven J. Klein, MD prescribe under Medicare Part D?

In 2024, Steven J. Klein, MD had 412 Medicare Part D claims for 122 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Steven J. Klein, MD's MIPS final score?

The 2023 MIPS final score is 98 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.