Gary Croll, M.D.
NPI 1962445916 · Internal Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Croll, M.D. is a Internal Medicine Physician provider in Dallas, TX (NPI 1962445916).
Provider details
- NPI number
- 1962445916
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G4278 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,333 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $90 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 97 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 84 | $10 |
| Creatine Kinase (cardiac Enzyme) Level, Total82550 | 78 | $6 |
| Uric Acid Level, Blood84550 | 78 | $4 |
| Lactate Dehydrogenase (enzyme) Level83615 | 77 | $6 |
| Phosphate Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 331 | 116 |
| Amlodipine Besylate | 284 | 95 |
| Levothyroxine Sodium | 170 | 60 |
| Lisinopril | 170 | 59 |
| Simvastatin | 123 | 43 |
| Tamsulosin Hcl | 117 | 36 |
| Furosemide | 106 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2022-09-28
- Certified
- 2022-09-28
Frequently asked questions
- What is Gary Croll's NPI number?
- Gary Croll's National Provider Identifier (NPI) is 1962445916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Croll's specialty?
- Gary Croll is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Croll located?
- Gary Croll's practice location on file with NPPES is 9330 Poppy Dr Ste 403, Dallas, TX 75218-4625.
- What is Gary Croll's phone number?
- The practice phone number listed in the NPPES registry for Gary Croll is (214) 328-4389.
- Does Gary Croll accept Medicare?
- Gary Croll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Croll's NPI active?
- Yes — Gary Croll's NPI (1962445916) is active in the NPPES registry as of the last update on 2022-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.