Sergio Demier, D.O.
NPI 1558422337 · Family Medicine Physician · Seminole, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergio Demier, D.O. is a Family Medicine Physician provider in Seminole, OK (NPI 1558422337).
Provider details
- NPI number
- 1558422337
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3350 (OK)
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
19 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
427 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 122 | $106 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 55 | $117 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 49 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $78 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 37 | $151 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 41 |
| Methylprednisolone | 48 | 46 |
| Naproxen | 46 | 43 |
| Azithromycin | 34 | 31 |
| Ondansetronbrand: Ondansetron Odt | 24 | 24 |
| Ciprofloxacin Hcl | 24 | 23 |
| Fentanyl | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sergio Demier's NPI number?
- Sergio Demier's National Provider Identifier (NPI) is 1558422337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Demier's specialty?
- Sergio Demier is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sergio Demier located?
- Sergio Demier's practice location on file with NPPES is 2403 W Wrangler Blvd Ste a, Seminole, OK 74868-1900.
- What is Sergio Demier's phone number?
- The practice phone number listed in the NPPES registry for Sergio Demier is (405) 382-4939.
- Does Sergio Demier accept Medicare?
- Sergio Demier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergio Demier's NPI active?
- Yes — Sergio Demier's NPI (1558422337) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.