Marilyn Warren, RN, CNS, RXS
NPI 1477569473 · Child & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist · Buena Vista, CO
Marilyn Warren, RN, CNS, RXS is a Child & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist provider in Buena Vista, CO (NPI 1477569473).
Provider details
- NPI number
- 1477569473
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CNS, RXS
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN29972 (MT)
Specialties & taxonomies
- Child & Adolescent Psychiatric/Mental Health Clinical Nurse SpecialistPrimary364SP0807XLicense CNS-3854 (CO)
Physician Assistants & Advanced Practice Nursing Providers
- Child & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist364SP0807XLicense RN29972 (MT)
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
20 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
190 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $82 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 26 | $142 |
Typical Medicare-allowed amounts for these services range $82–$142 (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 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 332 | 39 |
| Buspirone Hcl | 205 | 35 |
| Trazodone Hcl | 183 | 36 |
| Lamotrigine | 174 | 27 |
| Gabapentin | 156 | 22 |
| Risperidone | 132 | 21 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 126 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2020-01-03
- Certified
- 2020-01-03
Frequently asked questions
- What is Marilyn Warren's NPI number?
- Marilyn Warren's National Provider Identifier (NPI) is 1477569473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Warren's specialty?
- Marilyn Warren is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Warren located?
- Marilyn Warren's practice location on file with NPPES is 28374 County Road 317, Buena Vista, CO 81211-9158.
- What is Marilyn Warren's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Warren is (719) 538-6502.
- Is Marilyn Warren's NPI active?
- Yes — Marilyn Warren's NPI (1477569473) is active in the NPPES registry as of the last update on 2020-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.