Carlton Wayne McClellan, PA-C
Medical Physician Assistant · Frederick, MD
Carlton Wayne McClellan, PA-C is a medical physician assistant with a practice address in Frederick, Maryland, and NPI 1477673622, issued on Mar 30, 2007. Check the license (Maryland C002852, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlton Wayne McClellan
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- C002852 MD
Self-reported in NPPES; status is on the state search - Practice location
- 196 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 668-9988
- Enumerated
- Mar 30, 2007
- Record last updated
- Apr 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (301) 668-9977
- Medicare enrollment
- Enrolled (PECOS I20041021000368); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 871 in Maryland → Look up another NPI →
Also registered at 196 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlton Wayne McClellan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C002852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average medical physician assistant in 2024
2,619 Medicare Part D claims for 241 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 1,838 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen537 claims
- Oxycodone Hcl474 claims
- Hydrocodone-Acetaminophen236 claims
- Gabapentin211 claims
- Morphine Sulfate Er194 claims
- Pregabalin136 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: $136.95
8 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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 2 group practices
- Frederick Health Hospital IncFrederick, MD
- Privia Medical Group, LLCWaldorf, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlton Wayne McClellan among 871 medical physician assistant records in Maryland
Carlton Wayne McClellan, PA-C is one of 871 medical physician assistant records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 66% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2003 · median 2012 among the 469 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 medical physician assistant records list a practice address in Frederick
They are 34 of the 3,981 NPPES records with a practice address in Frederick, and 871 medical physician assistant records in Maryland.
All 871 in Maryland → Every provider in Frederick → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Collina Afriyie, PACFrederick, MD 217021316336449
- Deborah Austill, PAFrederick, MD 217021578615829
- Justina Bennett, PA-CFrederick, MD 217021598946006
- Amanda Bliss, PHYSICIAN ASSISTANTFrederick, MD 217021972809044
- Robert Cathor, PA-CFrederick, MD 217021790954253
- Brittany Henry, PA-CFrederick, MD 217021912332123
- Sarah Jamieson, PA-CFrederick, MD 217021295813319
- Kathleen PotestaFrederick, MD 217021811365539
Common questions
What is Carlton Wayne McClellan, PA-C's NPI number?
Carlton Wayne McClellan, PA-C's National Provider Identifier (NPI) is 1477673622, issued on Mar 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carlton Wayne McClellan, PA-C located?
The NPPES record lists a practice address at 196 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 668-9988. Providers update this record themselves, so call before visiting.
How can I verify Carlton Wayne McClellan, PA-C's license?
NPPES lists Maryland license number C002852, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Carlton Wayne McClellan, PA-C prescribe under Medicare Part D?
In 2024, Carlton Wayne McClellan, PA-C had 2,619 Medicare Part D claims for 241 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.