1. Home
  2. Directory
  3. Texas
  4. Victoria
  5. Family Medicine
  6. NPI Profile

NATARAJAN VENKATAYAN M.D.
NPI 1174604466
Family Medicine in Victoria, TX

Active since October 17, 2006PECOS EnrolledAccepts Medicare Assignment
501 E COLORADO ST, VICTORIA, TX 77901(361) 579-8300(361) 579-8303 Get Directions Write a Review

NPPES record last updated: June 20, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 20, 2024, Aug 27, 2020, Dec 23, 2019 and 1 more (4 updates tracked since 2016).

About Natarajan Venkatayan M.d. NPPES

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

NATARAJAN VENKATAYAN M.D. (NPI 1174604466) is an individual family medicine provider in Victoria, Texas, licensed in Texas (M4617) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Knapp Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1174604466
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameNATARAJAN VENKATAYANCredential: M.D.
Location Address501 E COLORADO STVictoria, TX 77901-6025
Mailing Address4302 Egremont PlCollege Station, TX 77845-3212 · (936) 404-3309
Phone(361) 579-8300
Fax(361) 579-8303
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateOctober 17, 2006
Last NPPES UpdateJune 20, 20244 updates tracked since enumeration
NPPES CertifiedJune 20, 2024
✔ NPI 1174604466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · M4617
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
501 E COLORADO ST, Victoria, TX 77901
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14001 Highway 36 SBrenham, TX 77833-9610 · Phone (979) 277-1574 · Fax (979) 277-1360
Location 29401 Southwest FwyHouston, TX 77074-1407 · Phone (713) 970-7000

Other Identifiers 2

Other8A0023TX · Blue Cross
Medicaid189776101TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Natarajan Venkatayan M.d. 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 ID345254397
PECOS Enrollment IDI20070731000124
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 Reassignments

5

Medicare enrollment records show Natarajan Venkatayan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health And Human Services Commission
76 mi
Intermediate Care Facility, Intellectual Disabilities
902 AIRPORT RD
Corpus Christi, TX 78405
  • Reassigned Medicare billing, Texas enrollment
  • 452 clinicians in this Medicare group
NPI 1134208952 (361) 888-5301
Asian American Health Coalition Of The Greater Houston Area
103 mi
Federally Qualified Health Center (FQHC)
13930 BELLAIRE BLVD
Houston, TX 77083
  • Reassigned Medicare billing, Texas enrollment
  • 86 clinicians in this Medicare group
NPI 1518345271 (713) 773-0803
The Harris Center For Mental Health And Idd
107 mi
Community/Behavioral Health
9401 SOUTHWEST FWY
Houston, TX 77074
  • Reassigned Medicare billing, Texas enrollment
  • 232 clinicians in this Medicare group
NPI 1346293156 (713) 970-7000
Knapp Medical Group
193 mi
Family Medicine
1401 E 8TH ST
Weslaco, TX 78596
  • Reassigned Medicare billing, Texas enrollment
  • 31 clinicians in this Medicare group
NPI 1689905309 (956) 969-5237
Inland Behavioral And Health Services, Inc.
1,226 mi
Federally Qualified Health Center (FQHC)
665 N D ST
San Bernardino, CA 92401
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1275562969 (909) 708-8158

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Knapp Medical Center

Acute Care Hospitals · Weslaco, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450128
Location1401 East Eight StreetWeslaco, TX 78596 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77901 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$198.46 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 18

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

DR. JULIA SHAE KRAUSE-CASTANEDA M.D.
Family Medicine
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300
MARIANNE FELICE FUNE BANTOG MD
Student in an Organized Health Care Education/Training Program
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300
MARY SHENOUDA
Student in an Organized Health Care Education/Training Program
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 575-7441
DR. ZAKARIA ABDI MD
Student in an Organized Health Care Education/Training Program
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 571-5283
DANIEL HANDAYAN MD
Family Medicine
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300
DR. SIDNEY CHARLES ONTAI M.D.
Family Medicine
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300
DR. PRINCESS CHIMEZURUM RAPHAEL MD
Student in an Organized Health Care Education/Training Program
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300
JEFF MISTROFF M.D.
Family Medicine
501 E COLORADO ST
VICTORIA, TX 77901
Victoria County (361) 579-8300

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 Natarajan Venkatayan's NPI number?

The NPI number for Natarajan Venkatayan is 1174604466. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is Natarajan Venkatayan located?

Natarajan Venkatayan practices at 501 E Colorado St, Victoria, TX 77901. The listed phone number is (361) 579-8300.

What is Natarajan Venkatayan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Natarajan Venkatayan enrolled in Medicare?

Yes. Natarajan Venkatayan 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 organizations bill Medicare for Natarajan Venkatayan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natarajan Venkatayan reassigns Medicare benefits to 5 organizations: Health And Human Services Commission (Corpus Christi, TX), Asian American Health Coalition Of The Greater Houston Area (Houston, TX), The Harris Center For Mental Health And Idd (Houston, TX), Knapp Medical Group (Weslaco, TX) and Inland Behavioral And Health Services, Inc. (San Bernardino, CA). Each 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 Natarajan Venkatayan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Natarajan Venkatayan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Natarajan Venkatayan 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.

Is Natarajan Venkatayan affiliated with any hospitals?

According to CMS data, Natarajan Venkatayan is affiliated with Knapp Medical Center.

When was this NPI record last updated?

The NPPES record for Natarajan Venkatayan was last updated on June 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.