James Daniel Shaffer, PA
Physician Assistant · Baltimore, MD
James Daniel Shaffer, PA is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1104058387, issued on Aug 20, 2009. Check the license (Maryland C04032, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Daniel Shaffer
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C04032 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1838 Greene Tree RD, Baltimore, MD 21208
- Phone
- (410) 602-7782
- Enumerated
- Aug 20, 2009
- Record last updated
- Aug 20, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (410) 602-9344
- Medicare enrollment
- Enrolled (PECOS I20091013000714); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 1838 Greene Tree RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Inna Bardoff, CRNPNurse Practitioner1801295803
- Andrew Barnstein, M.D.Cardiovascular Disease Physician1316940794
- Bruce Berger, M.D.Urology Physician1558324657
- Eric Blum, M.D.Gastroenterology Physician1447466289
- Lester Bowser, M.D.Gastroenterology Physician1043206873
Verify James Daniel Shaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C04032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average physician assistant in 2024
954 Medicare Part D claims for 299 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Pantoprazole Sodium186 claims
- Dicyclomine Hcl63 claims
- Esomeprazole Magnesium62 claims
- Linzess59 claims
- Sucralfate43 claims
- Omeprazole34 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): 84.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,321.23
178 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Lifebridge Community Gastroenterology LLCPikesville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Daniel Shaffer among 3,224 physician assistant records in Maryland
James Daniel Shaffer, PA 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 2009, is newer than 28% of them.
- NPI issued2009 · 28% of these records are older, 70% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2009 · median 2017 among the 1,974 with a school on file
- Record last updated2009 · 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).
1,135 physician assistant records list a practice address in Baltimore
They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Baltimore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Shajeen Akther, MSPASPikesville, MD 212081952072555
- Charlotte Bartrug, PA-CPikesville, MD 212081508537549
- Esther Braun, PA-CPikesville, MD 212081699819896
- Shevonne ChudePikesville, MD 212081114273695
- Lauren Dewlin, PA-CPikesville, MD 212081265738660
- Ethan Hersko, PA-CPikesville, MD 212081861818627
- Erica LongstreetPikesville, MD 212081588036743
- John McCabe, P.A-CPikesville, MD 212081235155086
Common questions
What is James Daniel Shaffer, PA's NPI number?
James Daniel Shaffer, PA's National Provider Identifier (NPI) is 1104058387, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Daniel Shaffer, PA located?
The NPPES record lists a practice address at 1838 Greene Tree RD, Baltimore, MD, 21208. Phone: (410) 602-7782. Providers update this record themselves, so call before visiting.
How can I verify James Daniel Shaffer, PA's license?
NPPES lists Maryland license number C04032, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does James Daniel Shaffer, PA prescribe under Medicare Part D?
In 2024, James Daniel Shaffer, PA had 954 Medicare Part D claims for 299 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is James Daniel Shaffer, PA's MIPS final score?
The 2023 MIPS final score is 84.8 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), 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.