John Griffin, MD
NPI 1720088636 · Internal Medicine Physician · Texarkana, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Griffin, MD is a Internal Medicine Physician provider in Texarkana, TX (NPI 1720088636).
Provider details
- NPI number
- 1720088636
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C7276 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
11,565 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,309 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,160 | $125 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,126 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,093 | $8 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 1,087 | $3 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 977 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 175 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 971 | 259 |
| Rosuvastatin Calcium | 684 | 202 |
| Atorvastatin Calcium | 665 | 192 |
| Losartan Potassium | 604 | 167 |
| Levothyroxine Sodium | 593 | 157 |
| Pantoprazole Sodium | 523 | 151 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$663 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-21
- Last updated
- 2019-12-31
- Certified
- 2019-12-31
Frequently asked questions
- What is John Griffin's NPI number?
- John Griffin's National Provider Identifier (NPI) is 1720088636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griffin's specialty?
- John Griffin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Griffin located?
- John Griffin's practice location on file with NPPES is 5002 Cowhorn Creek Rd, Texarkana, TX 75503-9766.
- What is John Griffin's phone number?
- The practice phone number listed in the NPPES registry for John Griffin is (903) 614-3000.
- Does John Griffin accept Medicare?
- John Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Griffin's NPI active?
- Yes — John Griffin's NPI (1720088636) is active in the NPPES registry as of the last update on 2019-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.