Dr. John Stanley Griffin Jr., MD
- Medicare services, 2024
- 16,250
- Medicare patients, 2024
- 743
- Part D claims, 2024
- 16,766
- Hospital affiliations
- 2
- Industry payments
- $5,354
- Practice address
- 5002 Cowhorn Creek Rd, Texarkana, TX 75503
- Practice phone
- Call (903) 614-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Collom and Carney Clinic Association
Texarkana, Texas
Find Dr. Griffin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Stanley Griffin Jr. is an internist in Texarkana, Texas
Dr. Griffin practices at Collom and Carney Clinic Association in Texarkana, Texas.
Dr. Griffin's NPI, 1720088636, was assigned on July 21, 2005. Dr. Griffin graduated from University of Arkansas For Medical Sciences College of Medicine in 1987. Dr. Griffin holds Texas license H7748.
- NPI
- 1720088636NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163561820
- NPI enumeration date
- July 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 614-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Stanley Griffin Jr. practices at Collom and Carney Clinic Association in Texarkana, Texas
Dr. Griffin's primary practice is Collom and Carney Clinic Association, at 5002 Cowhorn Creek Rd, Texarkana, TX 75503 in Bowie County. The practice phone is (903) 614-3000.
- Collom and Carney Clinic Association5002 Cowhorn Creek Rd, Texarkana, TX 75503 · Bowie CountyPhone(903) 614-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Stanley Griffin Jr. is affiliated with 9 sites of care and 1 medical group
Dr. Griffin's primary practice is Collom and Carney Clinic Association in Texarkana, Texas. Dr. Griffin is also affiliated with CHRISTUS St. Michael Hospital. The medical group on file is Collom & Carney Clinic. Dmand AI also links Dr. Griffin to 1 more hospital, 5 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Stanley Griffin Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Griffin practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Collom and Carney Clinic Association | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Stanley Griffin Jr. is one of 8,437 internists in Texas
Internal medicine is Dr. Griffin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Griffin is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Griffin's licenses on file in 2 states: Texas and Arkansas.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Arkansas license
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute mini-stroke (TIA), acute sinusitis, alzheimer's disease, aneurysm, anxiety and aortic atherosclerois among the conditions Dr. Griffin treats.
Internists near Dr. Griffin
Counts of internists 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
Dr. John Stanley Griffin Jr. billed Medicare for 16,250 services in 2024
CMS data shows 16,250 Medicare services from Dr. Griffin across 52 procedure codes in 2024, for 743 Medicare patients. Medicare paid $344,602 for them. Every service was in an office.
Dr. Griffin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 7,4772024: 7,4211%
- Drugs given in the office
- 2023: 4,3762024: 4,5183%
- Office and hospital visits
- 2023: 1,5802024: 1,5542%
- Surgery
- 2023: 1,3882024: 1,3096%
- Other services
- 2023: 6312024: 81729%
- Tests and treatments
- 2023: 6652024: 56815%
- Imaging
- 2023: 1012024: 6338%
Dr. Griffin compared with the Texas median for internists, 2024
- Dr. Griffin
- Texas median
- Medicare services
- 16,250vs 53930.1 times
- Medicare patients
- 743vs 1903.9 times
- Part D claims
- 16,038vs 28955.5 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Griffin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Griffin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Griffin and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Stanley Griffin Jr. treated 743 Medicare patients in 2024, average age 77
CMS counts 743 Medicare patients who saw Dr. Griffin in 2024. The largest group is 75 to 84, with 317 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Griffin's median patient age at 74, with 52% women.
Dr. Griffin's Medicare patients by age, 2024
Dr. Griffin's Medicare patients by sex, 2024
- Women39553%
- Men34847%
Chronic conditions among Dr. Griffin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes36%
- Chronic kidney disease30%
- Ischemic heart disease29%
- Osteoporosis28%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 74
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Stanley Griffin Jr. wrote 16,766 Medicare Part D claims in 2024
In 2024, Dr. Griffin wrote 16,766 Medicare Part D claims for 897 patients. 87% of them were for generic drugs. CMS names the drug for 16,038 of them, across 174 drugs with 11 or more claims each, at $1,271,824 in total drug cost. In 2023, CMS named 14,107 claims across 166 drugs.
Dr. Griffin's Part D claims by kind of drug, 2024
- Generic14,581 claims87%
- Brand-name2,073 claims12%
- Other112 claims1%
Dr. Griffin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Griffin's Part D claims, 2024
- Opioids3%424 of 16,766 claims
- Antibiotics2%315 of 16,766 claims
- Antipsychotics, patients 65 and over0%58 of 16,766 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 14,1072024: 16,03814%
Drugs named by CMS: 174 in 2024, 166 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Stanley Griffin Jr. takes part in Medicare
Dr. 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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Dr. John Stanley Griffin Jr. received $5,354 in industry payments from 2016 to 2025
CMS Open Payments shows 345 general payments to Dr. Griffin from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $621.
General payments to Dr. Griffin by program year, 2016 to 2025
General payments to Dr. Griffin by kind, 2016 to 2025
- Food and beverage$5,335100%
- Education$190%
Companies that paid Dr. Griffin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Stanley Griffin Jr. graduated from University of Arkansas For Medical Sciences College of Medicine
Dr. Griffin graduated from University of Arkansas For Medical Sciences College of Medicine in 1987. Dr. Griffin is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Stanley Griffin Jr. accepts plans from 21 insurance carriers
Dr. Griffin is in network with 21 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +13 more carriersWith a free account
Plan types Dr. Griffin accepts, by number of carriers
- PPO12
- HMO11
- Medicare9
- POS6
- EPO4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. John Stanley Griffin Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Stanley 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 Dr. John Stanley Griffin Jr.'s NPI number?
Dr. John Stanley Griffin Jr.'s NPI number is 1720088636. It was assigned on July 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Stanley Griffin Jr.?
Dr. John Stanley Griffin Jr. is an internist in Texarkana, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Stanley Griffin Jr. practice?
Dr. Griffin practices at 5002 Cowhorn Creek Rd, Texarkana, TX 75503. Dr. Griffin's primary practice is Collom and Carney Clinic Association in Texarkana, Texas. Dmand AI also links Dr. Griffin to 1 hospital, 5 home health agencies and 1 group practice or clinic.
What is Dr. John Stanley Griffin Jr.'s office phone number?
The practice phone on file for Dr. Griffin is (903) 614-3000.
What is Dr. John Stanley Griffin Jr.'s medical license number?
Dr. Griffin holds Texas license H7748, one of the licenses on file in 2 states.
Which states has Dr. John Stanley Griffin Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Griffin in Texas (1990 to 2026) and Arkansas (1987 to 2026).
Which hospitals is Dr. John Stanley Griffin Jr. affiliated with?
Dr. Griffin is affiliated with CHRISTUS St. Michael Hospital. Dmand AI links Dr. Griffin to 1 more hospital.
What medical group is Dr. John Stanley Griffin Jr. part of?
Dr. Griffin is linked to Collom & Carney Clinic.
Does Dr. John Stanley Griffin Jr. accept Medicare?
Yes. CMS data shows Dr. Griffin billed Medicare for 16,250 services in 2024, and Dr. Griffin accepts Medicare assignment.
How many Medicare patients does Dr. John Stanley Griffin Jr. see?
CMS counts 743 Medicare patients who saw Dr. Griffin in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. John Stanley Griffin Jr. board certified?
Yes. Dr. Griffin is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John Stanley Griffin Jr. bill to Medicare?
In 2024, Dr. Griffin's most billed Medicare services were injected or infused drug (J0897), surgery: heart and blood vessels (36415) and office visit, established patient (99214).
Where did Dr. John Stanley Griffin Jr. go to medical school?
Dr. Griffin graduated from University of Arkansas For Medical Sciences College of Medicine in 1987.
What drugs does Dr. John Stanley Griffin Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Griffin's most prescribed drugs by claims were Amlodipine Besylate, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. John Stanley Griffin Jr. received payments from drug or device companies?
CMS Open Payments shows $5,354 in general payments to Dr. Griffin from 35 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. John Stanley Griffin Jr. been practicing?
Dr. Griffin graduated from medical school in 1987, 39 years ago.
What insurance does Dr. John Stanley Griffin Jr. accept?
Dr. Griffin is in network with 21 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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