Calla Zelazny, PA-C
Physician Assistant · Odenton, MD
Calla Zelazny, PA-C is a physician assistant with a practice address in Odenton, Maryland, and NPI 1962887901, issued on Jul 20, 2015. Check the license (Maryland C05848, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Calla Zelazny
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C05848 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1110 Annapolis RD, Odenton, MD 21113
- Phone
- (443) 351-3917
- Enumerated
- Jul 20, 2015
- Record last updated
- Mar 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171109001717); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 1110 Annapolis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Calla Zelazny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C05848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average physician assistant in 2024
153 Medicare Part D claims for 52 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Clopidogrel61 claims
- Xarelto36 claims
- Atorvastatin Calcium27 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: $573.01
19 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Center For Vascular Medicine LLCGreenbelt, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Calla Zelazny among 3,224 physician assistant records in Maryland
Calla Zelazny, 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 2015, is newer than 46% of them.
- NPI issued2015 · 46% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2015 · median 2017 among the 1,974 with a school on file
- Record last updated2018 · 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).
18 physician assistant records list a practice address in Odenton
They are 18 of the 453 NPPES records with a practice address in Odenton, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Odenton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Susan Arnold, PA-COdenton, MD 211131285005389
- Olabisi Emenanjo, PA-COdenton, MD 211131679723274
- Courtney GreenOdenton, MD 211131457993222
- Amanda Jackiewicz, PA-COdenton, MD 211131730601949
- Kayla Jones, PA-COdenton, MD 211131871090985
- John Kelley, PAOdenton, MD 211131881259653
- Alexandra Laurence, PA-COdenton, MD 211131295304319
- Kerry Martin, PA-COdenton, MD 211131609358944
Common questions
What is Calla Zelazny, PA-C's NPI number?
Calla Zelazny, PA-C's National Provider Identifier (NPI) is 1962887901, issued on Jul 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Calla Zelazny, PA-C located?
The NPPES record lists a practice address at 1110 Annapolis RD, Odenton, MD, 21113. Phone: (443) 351-3917. Providers update this record themselves, so call before visiting.
How can I verify Calla Zelazny, PA-C's license?
NPPES lists Maryland license number C05848, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Calla Zelazny, PA-C prescribe under Medicare Part D?
In 2024, Calla Zelazny, PA-C had 153 Medicare Part D claims for 52 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.