Stephen B. Gemmell, PhD

  • Fayetteville, AR
  • Psychologist
NPI1508816422PAC ID1355395138
Medicare patients, 2026
256
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
12 E Appleby Rd, Fayetteville, AR 72703
Practice phone
Call (479) 463-4444
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Washington Regional Senior Clinic

Fayetteville, Arkansas

See all 4 affiliations

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Stephen B. Gemmell is a psychologist in Fayetteville, Arkansas

Stephen Gemmell practices at Washington Regional Senior Clinic in Fayetteville, Arkansas.

Stephen Gemmell's NPI, 1508816422, was assigned on May 11, 2006. Stephen Gemmell holds Arkansas license 0010P.

NPI and contact details
Medicare PAC ID
1355395138
NPI enumeration date
May 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(479) 463-4444
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Stephen B. Gemmell practices at Washington Regional Senior Clinic in Fayetteville, Arkansas

Stephen Gemmell's primary practice is Washington Regional Senior Clinic, at 12 E Appleby Rd, Fayetteville, AR 72703 in Washington County. The practice phone is (479) 463-4444.

  • Washington Regional Senior Clinic
    12 E Appleby Rd, Fayetteville, AR 72703 · Washington CountyPhone(479) 463-4444

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

Stephen B. Gemmell is affiliated with 3 sites of care and 1 medical group

Stephen Gemmell's primary practice is Washington Regional Senior Clinic in Fayetteville, Arkansas. Stephen Gemmell is also affiliated with Washington Regional Medical Center. The medical group on file is Northwest Arkansas Neuroscience Institute. Dmand AI also links Stephen Gemmell to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Stephen Gemmell

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

Dmand AI tracks the EHR system at Stephen B. Gemmell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Gemmell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington Regional Senior ClinicAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Stephen B. Gemmell is one of 52 psychologists in Arkansas

Psychologist is Stephen Gemmell's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Stephen Gemmell is licensed in Arkansas.

Specialties and state licenses

  • Psychologist, ArkansasPrimaryLicense 0010P · taxonomy 103T00000X

Psychologists near Stephen Gemmell

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

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

Stephen B. Gemmell treated 256 Medicare patients in 2026, average age 77

CMS counts 256 Medicare patients who saw Stephen Gemmell in 2026. The largest group is 75 to 84, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.13, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Stephen Gemmell's median patient age at 74, with 62% women.

Medicare patients, 2026256
Average age77
Average risk score1.13

Stephen Gemmell's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Stephen Gemmell's Medicare patients by sex, 2026

  • Women15460%
  • Men10240%

Chronic conditions among Stephen Gemmell's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol75%
  3. Alzheimer's and dementia63%
  4. Arthritis54%
  5. Mood disorders49%
  6. Depression46%
  7. Anxiety41%
  8. Ischemic heart disease30%

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

Stephen Gemmell's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women62%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

How Stephen B. Gemmell takes part in Medicare

Stephen Gemmell 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)

Sources for Stephen B. Gemmell'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
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 B. Gemmell

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 B. Gemmell's NPI number?

Stephen B. Gemmell's NPI number is 1508816422. It was assigned on May 11, 2006, and it is active in the NPI Registry.

What does Stephen B. Gemmell specialize in?

Stephen B. Gemmell is a psychologist in Fayetteville, Arkansas. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).

Where does Stephen B. Gemmell practice?

Stephen Gemmell practices at 12 E Appleby Rd, Fayetteville, AR 72703. Stephen Gemmell's primary practice is Washington Regional Senior Clinic in Fayetteville, Arkansas. Dmand AI also links Stephen Gemmell to 1 group practice or clinic, and a free account names each one.

What is Stephen B. Gemmell's office phone number?

The practice phone on file for Stephen Gemmell is (479) 463-4444. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Stephen B. Gemmell's email address?

Dmand AI checks professional and personal email addresses for Stephen Gemmell through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Stephen B. Gemmell's medical license number?

Stephen Gemmell holds Arkansas license 0010P.

Which hospitals is Stephen B. Gemmell affiliated with?

Stephen Gemmell is affiliated with Washington Regional Medical Center.

What medical group is Stephen B. Gemmell part of?

Stephen Gemmell is linked to Northwest Arkansas Neuroscience Institute.

Who does Stephen B. Gemmell practice with?

Dmand AI links 287 HCPs to Stephen Gemmell's primary medical group, 1 of them psychologist. A free account lists them, with verified contacts.

Does Stephen B. Gemmell accept Medicare?

Yes. CMS lists Stephen Gemmell as accepting Medicare assignment.

Show 3 more questionsShow fewer questions

How many Medicare patients does Stephen B. Gemmell see?

CMS counts 256 Medicare patients who saw Stephen Gemmell in 2026, with an average age of 77.

How long has Stephen B. Gemmell been practicing?

Stephen Gemmell graduated from medical school in 1999, 27 years ago.

What EHR does Stephen B. Gemmell's practice use?

Dmand AI tracks the EHR system at Washington Regional Senior Clinic and at 2 more affiliated sites. The vendor and product are available with a free Dmand AI account.

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