James Daniel Shaffer, PA

  • Pikesville, MD
  • Physician assistant
NPI1104058387PAC ID0547306060
Medicare patients, 2024
131
Part D claims, 2024
954
MIPS score, 2024
100
Industry payments
$1,136
Affiliated sites
1
Practice address
1838 Greene Tree Rd, Pikesville, MD 21208
Practice phone
Call (410) 602-7782
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pikesville MD Endoscopy ASC LLC

Pikesville, Maryland

See all 3 affiliations

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James Daniel Shaffer is a physician assistant in Pikesville, Maryland

James Shaffer practices at Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland.

James Shaffer's NPI, 1104058387, was assigned on August 20, 2009. James Shaffer holds Maryland license C04032.

NPI and contact details
Medicare PAC ID
0547306060
NPI enumeration date
August 20, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 602-7782
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

James Daniel Shaffer practices at Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland

James Shaffer's primary practice is Pikesville MD Endoscopy ASC LLC, at 1838 Greene Tree Rd, Pikesville, MD 21208 in Baltimore County. The practice phone is (410) 602-7782.

  • Pikesville MD Endoscopy ASC LLC
    1838 Greene Tree Rd, Pikesville, MD 21208 · Baltimore CountyPhone(410) 602-7782

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

James Daniel Shaffer is affiliated with 2 sites of care and 1 medical group

James Shaffer's primary practice is Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland. The medical group on file is Woodholme Gastroenterology Associates. Dmand AI also links James Shaffer to 1 more ambulatory surgery center, named with a free account.

See all 3 affiliations for James Shaffer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at James Daniel Shaffer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Shaffer practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Pikesville MD Endoscopy ASC LLCAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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James Daniel Shaffer is one of 2,452 physician assistants in Maryland

Physician assistant is James Shaffer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. James Shaffer is licensed in Maryland.

Specialties and state licenses

  • Physician assistant, MarylandPrimaryLicense C04032 · taxonomy 363A00000X

Physician assistants near James Shaffer

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

2,452physician assistants in Maryland
2physician assistants in Pikesville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

James Daniel Shaffer treated 131 Medicare patients in 2024, average age 71

CMS counts 131 Medicare patients who saw James Shaffer in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts James Shaffer's median patient age at 62, with 60% women.

Medicare patients, 2024131
Average age71
Average risk score1.26
Also on Medicaid31%

James Shaffer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

James Shaffer's Medicare patients by sex, 2024

  • Women8867%
  • Men4333%

Chronic conditions among James Shaffer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Diabetes38%
  5. Mood disorders38%
  6. Anxiety35%
  7. Depression34%
  8. Ischemic heart disease31%

Share of Medicare patients with each condition. A patient can have several.

James Shaffer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women60%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

James Daniel Shaffer wrote 954 Medicare Part D claims in 2024

In 2024, James Shaffer wrote 954 Medicare Part D claims for 299 patients. 75% of them were for generic drugs.

Part D claims, 2024954
Part D patients299

James Shaffer's Part D claims by kind of drug, 2024

  • Generic717 claims75%
  • Brand-name and other237 claims25%

Drug classes CMS tracks in James Shaffer's Part D claims, 2024

  • Opioids2%17 of 954 claims
  • Antibiotics8%80 of 954 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

James Daniel Shaffer scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for James Shaffer for performance year 2024, reported as part of a group. James Shaffer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

James Shaffer's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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James Daniel Shaffer received $1,136 in industry payments in 2025

CMS Open Payments shows 75 general payments to James Shaffer from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $336.

Companies that paid James Shaffer the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to James Shaffer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for James Daniel Shaffer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about James Daniel Shaffer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is James Daniel Shaffer's NPI number?

James Daniel Shaffer's NPI number is 1104058387. It was assigned on August 20, 2009, and it is active in the NPI Registry.

What does James Daniel Shaffer specialize in?

James Daniel Shaffer is a physician assistant in Pikesville, Maryland. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does James Daniel Shaffer practice?

James Shaffer practices at 1838 Greene Tree Rd, Pikesville, MD 21208. James Shaffer's primary practice is Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland. Dmand AI also links James Shaffer to 1 ambulatory surgery center.

What is James Daniel Shaffer's office phone number?

The practice phone on file for James Shaffer is (410) 602-7782.

What is James Daniel Shaffer's medical license number?

James Shaffer holds Maryland license C04032.

What medical group is James Daniel Shaffer part of?

James Shaffer is linked to Woodholme Gastroenterology Associates.

Does James Daniel Shaffer accept Medicare?

Yes. CMS lists James Shaffer as accepting Medicare assignment.

What is James Daniel Shaffer's MIPS score?

James Shaffer's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does James Daniel Shaffer see?

CMS counts 131 Medicare patients who saw James Shaffer in 2024, with an average age of 71.

Has James Daniel Shaffer received payments from drug or device companies?

CMS Open Payments shows $1,136 in general payments to James Shaffer from 16 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has James Daniel Shaffer been practicing?

James Shaffer graduated from medical school in 2009, 17 years ago.

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