Graviela Barrios, FNP
NPI 1538943386 · Family Nurse Practitioner · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Graviela Barrios, FNP is a Family Nurse Practitioner provider in Rancho Cucamonga, CA (NPI 1538943386).
Provider details
- NPI number
- 1538943386
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95021185 (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 tenure28% of score
2 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
66 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $95 |
| Injection of Chemical Agent Into Single Incompetent Vein of Leg Using Ultrasound Guidance36465 | 18 | $1,385 |
Typical Medicare-allowed amounts for these services range $95–$1,385 (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
Registry dates
- Enumerated
- 2023-08-22
- Last updated
- 2024-02-14
- Certified
- 2024-02-14
Frequently asked questions
- What is Graviela Barrios's NPI number?
- Graviela Barrios's National Provider Identifier (NPI) is 1538943386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Graviela Barrios's specialty?
- Graviela Barrios is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Graviela Barrios located?
- Graviela Barrios's practice location on file with NPPES is 9220 Haven Ave Ste 320, Rancho Cucamonga, CA 91730-5443.
- What is Graviela Barrios's phone number?
- The practice phone number listed in the NPPES registry for Graviela Barrios is (909) 277-7071.
- Does Graviela Barrios accept Medicare?
- Graviela Barrios is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Graviela Barrios's NPI active?
- Yes — Graviela Barrios's NPI (1538943386) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.