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DR. JOSEPH JOHN THAYIL MD
NPI 1275528978
Internal Medicine - Geriatric Medicine in San Antonio, TX

Active since September 19, 2005PECOS Enrolled
4129 NACO PERRIN BLVD, SAN ANTONIO, TX 78217(210) 722-8106(210) 275-0080 Get Directions Write a Review

NPPES record last updated: April 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joseph John Thayil Md NPPES

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

DR. JOSEPH JOHN THAYIL MD (NPI 1275528978) is an individual geriatric medicine provider in San Antonio, Texas, licensed in Texas (M2153) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275528978
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. JOSEPH JOHN THAYILCredential: MD
Location Address4129 NACO PERRIN BLVDSan Antonio, TX 78217-2505
Mailing AddressP.o. Box 780566San Antonio, TX 78278-0566 · (210) 646-0800 · Fax (210) 590-6997
Phone(210) 722-8106
Fax(210) 275-0080
Sole ProprietorNo
Enumeration DateSeptember 19, 2005
Last NPPES UpdateApril 22, 2025
NPPES CertifiedApril 22, 2025
✔ NPI 1275528978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in TX · M2153
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
4129 NACO PERRIN BLVD, San Antonio, TX 78217
Open in Google Maps ↗

Other Identifiers 1

OtherM2153TX · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joseph John Thayil Md 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 Joseph Thayil reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health And Human Services Commission
13 mi
Intermediate Care Facility, Intellectual Disabilities
6711 S NEW BRAUNFELS AVE, STE 500
San Antonio, TX 78223
  • Reassigned Medicare billing, Texas enrollment
  • 452 clinicians in this Medicare group
NPI 1093894859 (210) 532-9610

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 78217 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
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.

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 Joseph Thayil's NPI number?

The NPI number for Joseph Thayil is 1275528978. It was assigned to this individual provider in the NPPES registry on September 19, 2005.

Where is Joseph Thayil located?

Joseph Thayil practices at 4129 Naco Perrin Blvd, San Antonio, TX 78217. The listed phone number is (210) 722-8106.

What is Joseph Thayil's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Joseph Thayil enrolled in Medicare?

Yes. Joseph Thayil is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joseph Thayil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Thayil reassigns Medicare benefits to Health And Human Services Commission (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 Joseph Thayil'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 Joseph Thayil was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.