NPPES file of Aug 9, 2026

Marlyn Lorenzo, MD

Rheumatology Physician · Columbia, MD

Marlyn Lorenzo, MD is a rheumatology physician with a practice address in Columbia, Maryland, and NPI 1639107097, issued on Jun 28, 2006. Check the license (Maryland DOO63393, 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
1639107097
Name
Marlyn Lorenzo
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
DOO63393 MD
Self-reported in NPPES; status is on the state search
Practice location
6350 Stevens Forest RD Ste 101, Columbia, MD 21046
Phone
(410) 992-7440
Enumerated
Jun 28, 2006
Record last updated
Sep 8, 2023
Fax
(410) 992-4441
Medicaid ID
408167600 MD
Medicare enrollment
Enrolled (PECOS I20050914000608); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 6350 Stevens Forest RD Ste 101

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

  1. Shabnam Ali, M.D.Rheumatology Physician1487837837
  2. Alyssa Chin, P.A.Physician Assistant1659816890
  3. Stephen George, M.D.Rheumatology Physician1386628055
  4. Thomas Lang, M.D.Rheumatology Physician1457312332
  5. Moe Zan, M.D.Rheumatology Physician1831365378

Verify Marlyn Lorenzo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license DOO63393
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,029 Medicare Part D claims for 196 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 66 claims were for opioids.

  1. Marlyn Lorenzo1,029
  2. Specialty average1,978

Most prescribed

  1. Methotrexate207 claims
  2. Prednisone136 claims
  3. Meloxicam67 claims
  4. Duloxetine Hcl64 claims
  5. Hydroxychloroquine Sulfate60 claims
  6. Tramadol Hcl51 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): 95.5 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 score91.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $4,004.40

174 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. Marlyn Lorenzo$4,004.40
  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. Arthritis Care Specialists OF Maryland, P.A.Columbia, MD

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

Marlyn Lorenzo among 214 rheumatology physician records in Maryland

Marlyn Lorenzo, 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2000 · median 2001 among the 132 with a school on file
  • Record last updated2023 · 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. Shabnam Ali, M.D.Columbia, MD 210461487837837
  2. Stephen George, M.D.Columbia, MD 210461386628055
  3. Thomas Lang, M.D.Columbia, MD 210461457312332
  4. Moe Zan, M.D.Columbia, MD 210461831365378
  5. James Bellor, M.D.Columbia, MD 210451710905377
  6. Roger Marcus, MDFallston, MD 210471588779672
  7. Paul Gertler, M.D.Ellicott City, MD 210421811974710
  8. Melissa Hawkins Holt, MDEllicott City, MD 210421285618959

Common questions

What is Marlyn Lorenzo, MD's NPI number?

Marlyn Lorenzo, MD's National Provider Identifier (NPI) is 1639107097, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marlyn Lorenzo, MD located?

The NPPES record lists a practice address at 6350 Stevens Forest RD Ste 101, Columbia, MD, 21046. Phone: (410) 992-7440. Providers update this record themselves, so call before visiting.

How can I verify Marlyn Lorenzo, MD's license?

NPPES lists Maryland license number DOO63393, 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 Marlyn Lorenzo, MD prescribe under Medicare Part D?

In 2024, Marlyn Lorenzo, MD had 1,029 Medicare Part D claims for 196 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Marlyn Lorenzo, MD's MIPS final score?

The 2023 MIPS final score is 95.5 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.