Frank Evans, D.O.
NPI 1639158355 · Family Medicine Physician · Stillwater, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Evans, D.O. is a Family Medicine Physician provider in Stillwater, OK (NPI 1639158355).
Provider details
- NPI number
- 1639158355
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3259 (OK)
Specialties & taxonomies
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
1,361 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 536 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 194 | $42 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 191 | $13 |
| Advance Care Planning, First 30 Minutes99497 | 175 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $65 |
| Automated Urinalysis Test81003 | 38 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 300 | 69 |
| Atorvastatin Calcium | 228 | 58 |
| Amlodipine Besylate | 158 | 42 |
| Metformin Hcl | 119 | 36 |
| Pantoprazole Sodium | 118 | 28 |
| Losartan Potassium | 116 | 31 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$955 across 47 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
- 2006-01-11
- Last updated
- 2023-09-11
- Certified
- 2023-09-11
Frequently asked questions
- What is Frank Evans's NPI number?
- Frank Evans's National Provider Identifier (NPI) is 1639158355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Evans's specialty?
- Frank Evans is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Evans located?
- Frank Evans's practice location on file with NPPES is 1921 W 6th Ave Ste a, Stillwater, OK 74074-4204.
- What is Frank Evans's phone number?
- The practice phone number listed in the NPPES registry for Frank Evans is (405) 533-2433.
- Does Frank Evans accept Medicare?
- Frank Evans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Evans's NPI active?
- Yes — Frank Evans's NPI (1639158355) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.