Joseph Joshua Horowitz, PA-C
Physician Assistant · Randallstown, MD
Joseph Joshua Horowitz, PA-C is a physician assistant with a practice address in Randallstown, Maryland, and NPI 1902404239, issued on Oct 9, 2020. Check the license (Maryland C0007694, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Joshua Horowitz
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C0007694 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8600 Liberty RD, Randallstown, MD 21133
- Phone
- (443) 657-7131
- Enumerated
- Oct 9, 2020
- Record last updated
- Oct 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210126002243); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 8600 Liberty RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ramona Gelzer Bell, M.D.Specialist1073549465
Verify Joseph Joshua Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0007694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physician assistant in 2024
210 Medicare Part D claims for 140 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 48 claims were for opioids.
Most prescribed
- Oxycodone Hcl41 claims
- Ibuprofen21 claims
- Ondansetron Hcl21 claims
- Cephalexin20 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.
Bills Medicare through one group practice
- Cep America LLCTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Joshua Horowitz among 3,224 physician assistant records in Maryland
Joseph Joshua Horowitz, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2020 · median 2017 among the 1,974 with a school on file
- Record last updated2020 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 physician assistant records list a practice address in Randallstown
They are 49 of the 557 NPPES records with a practice address in Randallstown, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Randallstown → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Hillary Baker, PA-CRandallstown, MD 211331447434576
- Richard Blanchard, PHYSICIAN ASSISTANTRandallstown, MD 211331487905618
- James Cawley, PA-CRandallstown, MD 211331821138918
- Patrick Correlli, PA-CRandallstown, MD 211331437480092
- Megan Grossmiller, PA-CRandallstown, MD 211331225380009
- Scott Jankowiak, PA-CRandallstown, MD 211331679800486
- Lucy Karanja, PA-CRandallstown, MD 211331306172796
- Regina Martin, PA CRandallstown, MD 211331700944501
Common questions
What is Joseph Joshua Horowitz, PA-C's NPI number?
Joseph Joshua Horowitz, PA-C's National Provider Identifier (NPI) is 1902404239, issued on Oct 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Joshua Horowitz, PA-C located?
The NPPES record lists a practice address at 8600 Liberty RD, Randallstown, MD, 21133. Phone: (443) 657-7131. Providers update this record themselves, so call before visiting.
How can I verify Joseph Joshua Horowitz, PA-C's license?
NPPES lists Maryland license number C0007694, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Joshua Horowitz, PA-C prescribe under Medicare Part D?
In 2024, Joseph Joshua Horowitz, PA-C had 210 Medicare Part D claims for 140 beneficiaries; the average among physician assistant prescribers was 830. 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.