Gary Denny, D.O.
NPI 1558393637 · Addiction Medicine (Internal Medicine) Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Denny, D.O. is a Addiction Medicine (Internal Medicine) Physician provider in Tulsa, OK (NPI 1558393637).
Provider details
- NPI number
- 1558393637
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2858 (OK)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 153 | 21 |
| Buprenorphine Hcl | 65 | — |
| Sertraline Hcl | 24 | — |
| Trazodone Hcl | 21 | — |
| Quetiapine Fumarate | 18 | — |
| Amitriptyline Hcl | 16 | — |
| Eszopiclone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2022-03-29
- Certified
- 2022-03-29
Frequently asked questions
- What is Gary Denny's NPI number?
- Gary Denny's National Provider Identifier (NPI) is 1558393637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Denny's specialty?
- Gary Denny is listed in the NPPES registry with a primary specialty of Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Denny located?
- Gary Denny's practice location on file with NPPES is 5310 E 31st St Fl 11 Ste 1102, Tulsa, OK 74135-5018.
- What is Gary Denny's phone number?
- The practice phone number listed in the NPPES registry for Gary Denny is (918) 561-1700.
- Does Gary Denny accept Medicare?
- Gary Denny is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Denny's NPI active?
- Yes — Gary Denny's NPI (1558393637) is active in the NPPES registry as of the last update on 2022-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.