Richard Warren, ANP
NPI 1134151822 · Adult Health Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Warren, ANP is a Adult Health Nurse Practitioner provider in Portland, OR (NPI 1134151822).
Provider details
- NPI number
- 1134151822
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Male
- Sole proprietor
- No
- License
- 1134151822 (OR)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
37 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $154 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 18 | $192 |
Typical Medicare-allowed amounts for these services range $154–$192 (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.
Practice location
Mailing address
Additional practice locations (1)
- 9205 Sw Barnes RdPortland, OR 97225-6603Phone: (503) 215-4620Fax: (503) 215-4846
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2021-02-16
- Certified
- 2021-02-16
Frequently asked questions
- What is Richard Warren's NPI number?
- Richard Warren's National Provider Identifier (NPI) is 1134151822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Warren's specialty?
- Richard Warren is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Richard Warren located?
- Richard Warren's practice location on file with NPPES is 6350 Ne Halsey St, Portland, OR 97213-4720.
- What is Richard Warren's phone number?
- The practice phone number listed in the NPPES registry for Richard Warren is (503) 215-2669.
- Does Richard Warren accept Medicare?
- Richard Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Warren's NPI active?
- Yes — Richard Warren's NPI (1134151822) is active in the NPPES registry as of the last update on 2021-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.