Registry data as of Aug 27, 2026

Blake Leibowitz, PA-C

Physician Assistant · Rockville, MD

Blake Leibowitz, PA-C is a physician assistant with a practice address in Rockville, Maryland, and NPI 1578012118, issued on Sep 23, 2016. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578012118
Name
Blake Leibowitz
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
14995 Shady Grove RD, Rockville, MD 20850
Phone
(301) 942-7600
Enumerated
Sep 23, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 14995 Shady Grove RD

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

  1. Emma Diiorio, M.D.Rheumatology Physician1528067808
  2. Joshua Eppinger, OTR/LOccupational Therapist1659890978
  3. Myria Petrou, MBCHBDiagnostic Radiology Physician1245351733

Verify Blake Leibowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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
Find 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.

33% more Medicare Part D claims than the average physician assistant in 2024

1,110 Medicare Part D claims for 269 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 104 claims were for opioids.

  1. Blake Leibowitz1,110
  2. Specialty average832

Most prescribed

  1. Gabapentin166 claims
  2. Hydroxychloroquine Sulfate96 claims
  3. Duloxetine Hcl74 claims
  4. Tramadol Hcl66 claims
  5. Baclofen59 claims
  6. Celecoxib58 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 Medicare quality score for 2023: 86.8 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 score86.5
  2. Costout of 100 · 30%72.0
  3. Promoting interoperabilityout of 100 · 25%97.0
  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: $170.54

8 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Blake Leibowitz$170.54
  2. Specialty average$853.85

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

2 hospital and facility affiliations

  1. Arthritis And Rheumatism Associates PCWheaton, MD
  2. Medstar Urgent Care LLCBaltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

111 physician assistant records list a Rockville practice address

They are 111 of the 14,353 NPPES records with a Rockville practice address, and 3,136 physician assistant records in Maryland.

Other physician assistant records in Maryland

  1. Habiba AbbasiBaltimore, MD1528930302
  2. Hiba Abbasi, PAGreenbelt, MD1407520182
  3. Eric Abbott, PA-CBaltimore, MD1669873089
  4. Jenifer Abbott, PA-CHavre De Grace, MD1225136161
  5. Lauren Abbott, PAFort George G Meade, MD1033253869
  6. Trevor Abbott, PASalisbury, MD1578984803
  7. Norhan AbdallaRockville, MD1700631660
  8. Susanna Abdelkarim, PA-CGaithersburg, MD1477979938
  9. Helen Abebe, PACheverly, MD1568833671
  10. Heran Abeye, PA-CBaltimore, MD1831656545

Common questions

What is Blake Leibowitz, PA-C's NPI number?

Blake Leibowitz, PA-C's National Provider Identifier (NPI) is 1578012118, issued on Sep 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Blake Leibowitz, PA-C located?

The NPPES record lists a practice address at 14995 Shady Grove RD, Rockville, MD, 20850. Phone: (301) 942-7600. Providers update this record themselves, so call before visiting.

How can I verify Blake Leibowitz, PA-C's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Blake Leibowitz, PA-C prescribe under Medicare Part D?

In 2024, Blake Leibowitz, PA-C had 1,110 Medicare Part D claims for 269 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

What is Blake Leibowitz, PA-C's Medicare quality score?

The 2023 MIPS final score is 86.8 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.