Catherine Ratliff, APRN
NPI 1821658899 · Family Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Ratliff, APRN is a Family Medicine Physician provider in Oklahoma City, OK (NPI 1821658899).
Provider details
- NPI number
- 1821658899
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 109156 (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
7 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
451 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 | 132 | $71 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 68 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $101 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 50 | $16 |
| Automated Urinalysis Test81003 | 35 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 35 | 35 |
| Ipratropium Bromide | 34 | 34 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 33 |
| Azithromycin | 33 | 33 |
| Cephalexin | 32 | 32 |
| Methylprednisolone | 30 | 30 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 23 | 23 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-20
- Last updated
- 2019-06-20
Frequently asked questions
- What is Catherine Ratliff's NPI number?
- Catherine Ratliff's National Provider Identifier (NPI) is 1821658899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Ratliff's specialty?
- Catherine Ratliff is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Ratliff located?
- Catherine Ratliff's practice location on file with NPPES is 8105 Nw Expressway, Oklahoma City, OK 73162-6004.
- What is Catherine Ratliff's phone number?
- The practice phone number listed in the NPPES registry for Catherine Ratliff is (405) 602-3500.
- Does Catherine Ratliff accept Medicare?
- Catherine Ratliff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Ratliff's NPI active?
- Yes — Catherine Ratliff's NPI (1821658899) is active in the NPPES registry as of the last update on 2019-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.