NPI registry status
Active
2026 NPPES data Psychiatric/Mental Health Nurse Practitioner NPI 1548939192 FNP-BC, PMHNP-BC
Verify on CMS → Christina Roybal, FNP-BC, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner in O Fallon, Missouri.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 40,776 in Psychiatric/Mental Health Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
3K
Medicare Part D claims · 211 beneficiaries · Psychiatric/Mental Health Nurse Practitioner avg: 927
Generic prescribing
79%
generic claims · 19% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Christina Roybal, FNP-BC, PMHNP-BC filed 3,291 Medicare Part D claims in 2023 as a Psychiatric/Mental Health Nurse Practitioner in O Fallon, Missouri, prescribing 79% generic.
- 3K
- Part D claims, 2023
- 79%
- generic prescribing
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Christina Roybal, FNP-BC, PMHNP-BC's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
3,291 Top 11% higher than 89% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
What does the federal data show about Christina Roybal, FNP-BC, PMHNP-BC?
Quality data not reportedPrimary specialty
Psychiatric/Mental Health Nurse Practitioner
Medicare Part D claims
3,291 255% vs specialty avg
Specialty distribution in Missouri
How Psychiatric/Mental Health Nurse Practitioner compares to other specialties among Missouri providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Psychiatric/Mental Health Nurse Practitioner. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Christina Roybal, FNP-BC, PMHNP-BC appears in the CMS NPPES registry as a Psychiatric/Mental Health Nurse Practitioner provider holding FNP-BC, PMHNP-BC credentials at 3002 HIGHWAY K, O Fallon, MO, 63368, with a listed phone of (636) 272-5856. NPI 1548939192 was issued on 09/08/2021.
Medicare Part D records for calendar year 2023 show 3,291 prescription claims written by this provider, covering 211 Medicare beneficiaries and totaling roughly $350K in drug spend, split 19% brand-name and 79% generic by claim count.
Psychiatric/Mental Health Nurse Practitioner is a mid-sized specialty nationwide, with 40,776 enrolled providers across 54 states and an average of 927 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1548939192 |
|---|---|
| Specialty | Psychiatric/Mental Health Nurse Practitioner |
| Credentials | FNP-BC, PMHNP-BC |
| Gender | Female |
| NPI Issued | 09/08/2021 |
Brand vs generic prescribing mix · Typical
Christina Roybal, FNP-BC, PMHNP-BC - brand share 19.0%
Psychiatric/Mental Health Nurse Practitioner average
19% brand-name claims vs 79% generic, on 3,291 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
3,291
Total Claims
$350K
Total Drug Cost
211
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,107
- Total Day Supply
- 115,343
- Brand vs Generic
- 19% brand / 79% generic
- Brand Drug Cost
- $297K
- Generic Drug Cost
- $50K
- Antibiotic Claims
- 93
Patient Demographics
- Average Patient Age
- 67.2 years
- Avg HCC Risk Score
- 2.66
- Gender Split
- 64% female / 36% male
- Age Distribution
- <65: 71, 65-74: 84, 75-84: 38, 85+: 18
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Christina Roybal, FNP-BC, PMHNP-BC prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
148 claims
- Gabapentin
Gabapentin
123 claims
- Amlodipine Besylate
Amlodipine Besylate
120 claims
- Lisinopril
Lisinopril
102 claims
- Ventolin Hfa
Ventolin Hfa
101 claims
- Pantoprazole Sodium
Pantoprazole Sodium
94 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
89 claims
- Diclofenac Sodium
Diclofenac Sodium
84 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 148 |
| Gabapentin | 123 |
| Amlodipine Besylate | 120 |
| Lisinopril | 102 |
| Ventolin Hfa Albuterol Sulfate | 101 |
| Pantoprazole Sodium | 94 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 89 |
| Diclofenac Sodium | 84 |
| Quetiapine Fumarate | 84 |
| Omeprazole | 80 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Psychiatric/Mental Health Nurse Practitioner in MO →
All providers in Missouri →
Compare specialties →
Psychiatric/Mental Health Nurse Practitioner Overview
How Christina Roybal, FNP-BC, PMHNP-BC fits within the Psychiatric/Mental Health Nurse Practitioner landscape nationally.
40,776
Psychiatric/Mental Health Nurse Practitioner Providers in US
54
States with Psychiatric/Mental Health Nurse Practitioner
927
Avg Claims per Provider
Christina Roybal, FNP-BC, PMHNP-BC's 3,291 claims are above the specialty average of 927.
Nearby Psychiatric/Mental Health Nurse Practitioner Providers in Missouri
Other clinicians with the same primary specialty enrolled in Missouri, drawn from the same CMS NPPES roster as Roybal.
Laura Aboud
Kansas City, MO
Dr. Brittany Adams
DNP, APRN, PMHNP
Saint Joseph, MO
Dr. James Adams
PMHNP-BC
Saint Peters, MO
Dr. Fatma Ahmouda
PMHNP-BC
Columbia, MO
Dr. Chynwe Ahumaraeze
ARNP
Independence, MO
Compare Psychiatric/Mental Health Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Missouri medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Psychiatric/Mental Health Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Christina Roybal, FNP-BC, PMHNP-BC's specialty? ▼
Christina Roybal, FNP-BC, PMHNP-BC specializes in Psychiatric/Mental Health Nurse Practitioner and practices in O Fallon, Missouri. Credentials: FNP-BC, PMHNP-BC.
How much does Christina Roybal, FNP-BC, PMHNP-BC prescribe under Medicare Part D? ▼
In 2023, Christina Roybal, FNP-BC, PMHNP-BC wrote 3,291 Medicare Part D claims totaling $350K in drug costs for 211 beneficiaries.
Where is Christina Roybal, FNP-BC, PMHNP-BC located? ▼
Christina Roybal, FNP-BC, PMHNP-BC is located at 3002 HIGHWAY K, O Fallon, MO, 63368. Phone: (636) 272-5856.
What is Christina Roybal, FNP-BC, PMHNP-BC's NPI number? ▼
Christina Roybal, FNP-BC, PMHNP-BC's National Provider Identifier (NPI) is 1548939192, issued on 09/08/2021.
Does Christina Roybal, FNP-BC, PMHNP-BC prescribe more brand-name or generic drugs? ▼
Christina Roybal, FNP-BC, PMHNP-BC's prescribing is 19% brand-name and 79% generic drugs by claim count, with $297K in brand drug costs.
How many Psychiatric/Mental Health Nurse Practitioner providers are there in the US? ▼
There are 40,776 Psychiatric/Mental Health Nurse Practitioner providers across 54 states in the US. The average Psychiatric/Mental Health Nurse Practitioner provider writes 927 Medicare Part D claims per year.
What drugs does Christina Roybal, FNP-BC, PMHNP-BC prescribe most often? ▼
Based on 2023 Medicare Part D data, Christina Roybal, FNP-BC, PMHNP-BC's most frequently prescribed drugs include Atorvastatin Calcium, Gabapentin, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Christina Roybal, FNP-BC, PMHNP-BC accept Medicare? ▼
Christina Roybal, FNP-BC, PMHNP-BC appears in CMS Medicare data with 3,291 Part D claims and 211 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Christina Roybal, FNP-BC, PMHNP-BC's credentials? ▼
Christina Roybal, FNP-BC, PMHNP-BC's NPI is 1548939192 with credentials FNP-BC, PMHNP-BC. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.