Christina Roybal, FNP-BC, PMHNP-BC
NPI 1548939192 · Family Nurse Practitioner · O Fallon, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Roybal, FNP-BC, PMHNP-BC is a Family Nurse Practitioner provider in O Fallon, MO (NPI 1548939192).
Provider details
- NPI number
- 1548939192
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC, PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 2018003491 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
164 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) |
|---|---|---|
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 110 | $37 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 31 | $62 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 23 | $104 |
Typical Medicare-allowed amounts for these services range $37–$104 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 170 | 36 |
| Atorvastatin Calcium | 148 | 38 |
| Omeprazole | 145 | 22 |
| Gabapentin | 144 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 132 | 26 |
| Lisinopril | 110 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-08
- Last updated
- 2021-09-08
- Certified
- 2021-08-20
Frequently asked questions
- What is Christina Roybal's NPI number?
- Christina Roybal's National Provider Identifier (NPI) is 1548939192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Roybal's specialty?
- Christina Roybal is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Roybal located?
- Christina Roybal's practice location on file with NPPES is 3002 Highway K, O Fallon, MO 63368-8675.
- What is Christina Roybal's phone number?
- The practice phone number listed in the NPPES registry for Christina Roybal is (636) 272-5856.
- Does Christina Roybal accept Medicare?
- Christina Roybal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Roybal's NPI active?
- Yes — Christina Roybal's NPI (1548939192) is active in the NPPES registry as of the last update on 2021-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.