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RATASHA PAULETTE ALCOSER FNP
NPI 1689551632
Nurse Practitioner - Family in San Antonio, TX

Active since August 20, 2025PECOS EnrolledAccepts Medicare Assignment
903 W MARTIN ST # MS 49-2, SAN ANTONIO, TX 78207(210) 358-8255(210) 644-8625 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 5, 2026, Nov 21, 2025 (2 updates tracked since 2025).

About Ratasha Paulette Alcoser Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RATASHA PAULETTE ALCOSER FNP (NPI 1689551632) is an individual family provider in San Antonio, Texas, licensed in Texas (1217871) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1689551632
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameRATASHA PAULETTE ALCOSERCredential: FNP
Location Address903 W MARTIN ST # MS 49-2San Antonio, TX 78207-0903
Mailing Address903 W Martin StSan Antonio, TX 78207-0903 · (210) 358-8255 · Fax (210) 644-8625
Phone(210) 358-8255
Fax(210) 644-8625
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 20, 2025
Last NPPES UpdateJanuary 5, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1689551632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1217871
903 W MARTIN ST # MS 49-2, San Antonio, TX 78207
Open in Google Maps ↗

Secondary Practice Locations 2

Location 119928 Doc Holiday DrLytle, TX 78052-2299 · Phone (210) 416-6682
Location 27902 S Flores StSan Antonio, TX 78221-2416 · Phone (210) 644-8120 · Fax (210) 644-8125

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ratasha Paulette Alcoser Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496248783
PECOS Enrollment IDI20251204002809
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ratasha Alcoser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Medicine Associates
Same address
Family Medicine
903 W MARTIN ST # MS 49-2
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 1,129 clinicians in this Medicare group
NPI 1245313329 (210) 358-3401

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GRACE OVUEGBE ALOZIE
Nurse Practitioner (Pediatrics)
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (201) 358-3115
LINDSAY KAYE MORGAN BYERS NP
Nurse Practitioner (Family)
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (210) 358-3296
MRS. ERICA MARIE ROBINSON APRN
Nurse Practitioner (Family)
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (210) 358-3296
DR. SIVA PALASINGAM
Pediatrics
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (210) 358-5437
MARIAM ASPER DO
Family Medicine
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (201) 358-3650
KARA DANIELLE RAFUL ACNP
Nurse Practitioner (Pediatrics)
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (201) 358-5437
DR. SYED K. AHSAN MD
Family Medicine
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (210) 358-3296
ASHLEY NICOLE VILLARREAL APRN, FNP-C
Nurse Practitioner (Family)
903 W MARTIN ST # MS 49-2
SAN ANTONIO, TX 78207
Bexar County (210) 358-3411

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ratasha Alcoser's NPI number?

The NPI number for Ratasha Alcoser is 1689551632. It was assigned to this individual provider in the NPPES registry on August 20, 2025.

Where is Ratasha Alcoser located?

Ratasha Alcoser practices at 903 W Martin St # Ms 49-2, San Antonio, TX 78207. The listed phone number is (210) 358-8255.

What is Ratasha Alcoser's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ratasha Alcoser enrolled in Medicare?

Yes. Ratasha Alcoser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ratasha Alcoser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ratasha Alcoser reassigns Medicare benefits to Community Medicine Associates (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ratasha Alcoser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ratasha Alcoser accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First and WellPoint list Ratasha Alcoser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ratasha Alcoser was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.