Maureen Warren, PA-C
NPI 1215238100 · Surgical Physician Assistant · Redlands, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maureen Warren, PA-C is a Surgical Physician Assistant provider in Redlands, CA (NPI 1215238100).
Provider details
- NPI number
- 1215238100
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA22725 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
119 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Replacement of Knee Joint, Both Sides of Knee27447 | 58 | $179 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 48 | $179 |
| Prosthetic Repair of Shoulder Joint, Total Shoulder23472 | 13 | $202 |
Typical Medicare-allowed amounts for these services range $179–$202 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$155 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-11-08
- Last updated
- 2013-01-18
Frequently asked questions
- What is Maureen Warren's NPI number?
- Maureen Warren's National Provider Identifier (NPI) is 1215238100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maureen Warren's specialty?
- Maureen Warren is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maureen Warren located?
- Maureen Warren's practice location on file with NPPES is 2 W Fern Ave, Redlands, CA 92373-5916.
- What is Maureen Warren's phone number?
- The practice phone number listed in the NPPES registry for Maureen Warren is (909) 793-3311.
- Does Maureen Warren accept Medicare?
- Maureen Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maureen Warren's NPI active?
- Yes — Maureen Warren's NPI (1215238100) is active in the NPPES registry as of the last update on 2013-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.