Stephen Anthony Griffin Jr.

  • Linthicum Heights, MD
  • Physician assistant
NPI1235564907PAC ID8729201504
Medicare patients, 2024
329
Part D claims, 2024
64
Hospital affiliations
1
Industry payments
$101
Medical groups
3
Practice address
900 Elkridge Landing Rd, Linthicum Heights, MD 21090
Practice phone
Call (443) 552-2900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

University of Maryland Community Medical Group, Inc.

Linthicum Heights, Maryland

See all 5 affiliations

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Stephen Anthony Griffin Jr. is a physician assistant in Linthicum Heights, Maryland

Stephen Griffin practices at University of Maryland Community Medical Group, Inc. in Linthicum Heights, Maryland.

Stephen Griffin's NPI, 1235564907, was assigned on September 12, 2013. Stephen Griffin holds Maryland license C0005188.

NPI and contact details
Medicare PAC ID
8729201504
NPI enumeration date
September 12, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(443) 552-2900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

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

Stephen Anthony Griffin Jr. practices at University of Maryland Community Medical Group, Inc. in Linthicum Heights, Maryland

Stephen Griffin's primary practice is University of Maryland Community Medical Group, Inc., at 900 Elkridge Landing Rd, Linthicum Heights, MD 21090 in Anne Arundel County. The practice phone is (443) 552-2900.

  • University of Maryland Community Medical Group, Inc.
    900 Elkridge Landing Rd, Linthicum Heights, MD 21090 · Anne Arundel CountyPhone(443) 552-2900

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

Stephen Anthony Griffin Jr. is affiliated with 2 sites of care and 3 medical groups

Stephen Griffin's primary practice is University of Maryland Community Medical Group, Inc. in Linthicum Heights, Maryland. Stephen Griffin is also affiliated with University of Maryland Baltimore Washington Medical Center. The medical group on file is UM Community Medical Group. Dmand AI also links Stephen Griffin to 2 more medical groups, each named with a free account.

See all 5 affiliations for Stephen Griffin

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 Stephen Anthony Griffin Jr.'s practice

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

EHR by site
SiteEHR vendor and product
University of Maryland Community Medical Group, Inc.Available with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Stephen Anthony Griffin Jr. is one of 613 physician assistants in Maryland

Medical is Stephen Griffin's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Stephen Griffin is licensed in Maryland.

Specialties and state licenses

  • Medical physician assistant, MarylandPrimaryLicense C0005188 · taxonomy 363AM0700X

Physician assistants near Stephen Griffin

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

613physician assistants in Maryland
7physician assistants in Linthicum Heights

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

Stephen Anthony Griffin Jr. treated 329 Medicare patients in 2024, average age 78

CMS counts 329 Medicare patients who saw Stephen Griffin in 2024. The largest group is 75 to 84, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Stephen Griffin's median patient age at 77, with 52% women.

Medicare patients, 2024329
Average age78
Average risk score2.51
Also on Medicaid16%

Stephen Griffin's Medicare patients by age, 2024

Stephen Griffin's Medicare patients by sex, 2024

  • Women15447%
  • Men17553%

Chronic conditions among Stephen Griffin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure63%
  4. Ischemic heart disease57%
  5. Chronic kidney disease56%
  6. Atrial fibrillation53%
  7. Arthritis50%
  8. COPD50%

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

Stephen Griffin's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women52%
  • Men46%

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

Stephen Anthony Griffin Jr. wrote 64 Medicare Part D claims in 2024

In 2024, Stephen Griffin wrote 64 Medicare Part D claims for 27 patients. 70% of them were for generic drugs.

Part D claims, 202464
Part D patients27

Stephen Griffin's Part D claims by kind of drug, 2024

  • Generic45 claims70%
  • Brand-name19 claims30%

Drug classes CMS tracks in Stephen Griffin's Part D claims, 2024

  • Antibiotics19%12 of 64 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

How Stephen Anthony Griffin Jr. takes part in Medicare

Stephen Griffin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Stephen Anthony Griffin Jr. received $101 in industry payments in 2025

CMS Open Payments shows 4 general payments to Stephen Griffin from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $71.

Companies that paid Stephen Griffin the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Stephen Griffin

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

Sources for Stephen Anthony Griffin Jr.'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)
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 Stephen Anthony Griffin Jr.

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

What is Stephen Anthony Griffin Jr.'s NPI number?

Stephen Anthony Griffin Jr.'s NPI number is 1235564907. It was assigned on September 12, 2013, and it is active in the NPI Registry.

What does Stephen Anthony Griffin Jr. specialize in?

Stephen Anthony Griffin Jr. is a physician assistant in Linthicum Heights, Maryland. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Stephen Anthony Griffin Jr. practice?

Stephen Griffin practices at 900 Elkridge Landing Rd, Linthicum Heights, MD 21090. Stephen Griffin's primary practice is University of Maryland Community Medical Group, Inc. in Linthicum Heights, Maryland. Dmand AI also links Stephen Griffin to 2 medical groups.

What is Stephen Anthony Griffin Jr.'s office phone number?

The practice phone on file for Stephen Griffin is (443) 552-2900.

What is Stephen Anthony Griffin Jr.'s medical license number?

Stephen Griffin holds Maryland license C0005188.

Which hospitals is Stephen Anthony Griffin Jr. affiliated with?

Stephen Griffin is affiliated with University of Maryland Baltimore Washington Medical Center.

What medical group is Stephen Anthony Griffin Jr. part of?

Stephen Griffin is linked to UM Community Medical Group. Dmand AI links Stephen Griffin to 2 more medical groups.

Does Stephen Anthony Griffin Jr. accept Medicare?

Yes. CMS lists Stephen Griffin as accepting Medicare assignment.

How many Medicare patients does Stephen Anthony Griffin Jr. see?

CMS counts 329 Medicare patients who saw Stephen Griffin in 2024, with an average age of 78.

Has Stephen Anthony Griffin Jr. received payments from drug or device companies?

CMS Open Payments shows $101 in general payments to Stephen Griffin from 2 companies from 2025 to 2025. The largest total came from Becton, Dickinson and Company.

How long has Stephen Anthony Griffin Jr. been practicing?

Stephen Griffin graduated from medical school in 2013, 13 years ago.

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