MR. JAY PAREKH
NPI 1699237644
Internal Medicine - Medical Oncology in San Antonio, TX

Q: What is Jay Parekh's NPI number?

The NPI number for Jay Parekh is 1699237644. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Q: What is Jay Parekh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Jay Parekh was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment

903 W MARTIN ST FL 2, SAN ANTONIO, TX 78207(210) 450-1000(210) 450-1756 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 10, 2026, Nov 4, 2019, Apr 1, 2019 (3 updates tracked since 2019).

On this page

About Mr. Jay Parekh NPPES

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

MR. JAY PAREKH (NPI 1699237644) is an individual medical oncology provider in San Antonio, Texas, licensed in Texas (W3588) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1699237644

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameMR. JAY PAREKH

Location Address903 W MARTIN ST FL 2San Antonio, TX 78207-0903

Mailing Address903 W Martin St Fl 2San Antonio, TX 78207-0903 · (210) 450-1000 · Fax (210) 450-1756

Phone(210) 450-1000

Fax(210) 450-1756

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateApril 1, 2019

Last NPPES UpdateJuly 10, 20263 updates tracked since enumeration

NPPES CertifiedJuly 10, 2026

✔ NPI 1699237644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · W3588

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License W3588 (TX)

903 W MARTIN ST FL 2, San Antonio, TX 78207

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Accepted Insurance

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

Mr. Jay Parekh 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 ID6204162159

PECOS Enrollment IDI20260529000624

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

University Of Texas Health Science Center At San Antonio

6.8 mi

Clinical Pathology/Laboratory Medicine

7703 FLOYD CURL DR RM 327B
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
2,397 clinicians in this Medicare group

NPI 1396717989 (210) 450-9000

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

$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 Jay Parekh's NPI number?

The NPI number for Jay Parekh is 1699237644. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Jay Parekh located?

Jay Parekh practices at 903 W Martin St Fl 2, San Antonio, TX 78207. The listed phone number is (210) 450-1000.

What is Jay Parekh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Jay Parekh enrolled in Medicare?

Yes. Jay Parekh 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 Jay Parekh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jay Parekh reassigns Medicare benefits to University Of Texas Health Science Center At San Antonio (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 Jay Parekh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jay Parekh accept?

Health plans from Blue Cross and Blue Shield of Texas and Community First list Jay Parekh 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 Jay Parekh was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.