ALFREDO J. FIALLO M.D.
NPI 1417931031
Internal Medicine - Nephrology in San Antonio, TX

Q: What is Alfredo Fiallo's NPI number?

The NPI number for Alfredo Fiallo is 1417931031. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Q: What is Alfredo Fiallo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Alfredo Fiallo was last updated on November 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.

Active since December 06, 2005PECOS Enrolled

400 BALTIMORE, SAN ANTONIO, TX 78215(210) 228-0743(210) 228-9749 Get Directions Write a Review

NPPES record last updated: November 8, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Alfredo J. Fiallo M.d. NPPES

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

ALFREDO J. FIALLO M.D. (NPI 1417931031) is an individual nephrology provider in San Antonio, Texas, licensed in Texas (H6815) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417931031

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameALFREDO J. FIALLOCredential: M.D.

Location Address400 BALTIMORESan Antonio, TX 78215-1919

Mailing Address7142 San Pedro Ave, Suite 120San Antonio, TX 78216-6256 · (210) 661-5622 · Fax (210) 395-4012

Phone(210) 228-0743

Fax(210) 228-9749

Sole ProprietorNo

Enumeration DateDecember 6, 2005

Last NPPES UpdateNovember 8, 2018

✔ NPI 1417931031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TX · H6815

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

400 BALTIMORE, San Antonio, TX 78215

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Other Identifiers 2

Medicaid118942503TX

Other390004412TX · Medicare Railroad

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alfredo J. Fiallo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alfredo Fiallo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Msc Health Texas LLC

28 mi

End-Stage Renal Disease (ESRD) Treatment

917 10TH ST STE 123
Floresville, TX 78114

Reassigned Medicare billing, Texas enrollment

NPI 1316515489 (830) 250-4456

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 78215 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

4 suppliers18 claims2,940 services$0.31 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

4 suppliers18 claims2,640 services$0.19 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

4 suppliers19 claims19 services$17.98 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

4 suppliers18 claims19 services$11.99 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

ELZBIETA B. MCMURTRIE-JAYARAM M.D.

Internal Medicine (Nephrology)

400 BALTIMORE
SAN ANTONIO, TX 78215

Bexar County (210) 228-0743

SAN ANTONIO KIDNEY DISEASE CENTER PHYSICIANS GROUP, P.L.L.C.

Internal Medicine (Nephrology)

400 BALTIMORE
SAN ANTONIO, TX 78215

Bexar County (210) 228-0743

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 Alfredo Fiallo's NPI number?

The NPI number for Alfredo Fiallo is 1417931031. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Alfredo Fiallo located?

Alfredo Fiallo practices at 400 Baltimore, San Antonio, TX 78215. The listed phone number is (210) 228-0743.

What is Alfredo Fiallo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Alfredo Fiallo enrolled in Medicare?

Yes. Alfredo Fiallo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alfredo Fiallo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Fiallo reassigns Medicare benefits to Msc Health Texas LLC (Floresville, 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 Alfredo Fiallo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alfredo Fiallo was last updated on November 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.