Provider Profile
Maria P. Astillero, FNP
Unclaimed ProfileAbout Maria Astillero
Maria P. Astillero, FNP is a nurse practitioner practicing in Pomona, CA. Maria is also listed as specializing in registered nurse and nurse practitioner — family. Medicare claims data shows Maria provided 31 services to 30 patients. The services billed most often include residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes and residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes. This provider record is associated with NPI 1598380495.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 464-0520
- Email not available
Practice Locations
2112 S GAREY AVE
Pomona, CA 91766
Procedures Most Often Billed to Medicare
31 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
16 | Less often than most peers in Nurse Practitioner |
| Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99342 |
15 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Pomona 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Maria P. Astillero specialize in?
Maria P. Astillero is a nurse practitioner in Pomona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Maria P. Astillero located?
Maria P. Astillero is listed at 2112 S Garey Ave, Pomona, CA 91766. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Maria P. Astillero's phone number?
The number on file is (909) 464-0520. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Maria P. Astillero?
Maria P. Astillero's National Provider Identifier is 1598380495. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Maria P. Astillero train?
Maria P. Astillero attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Maria P. Astillero have?
Maria P. Astillero has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What does Maria P. Astillero do most often?
According to Medicare billing data, Maria P. Astillero the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Maria P. Astillero's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Maria P. Astillero. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.