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DR. MAHESH GAJENDRAN M.D.
NPI 1285833921
Internal Medicine - Gastroenterology in Live Oak, TX

Active since July 12, 2007PECOS EnrolledAccepts Medicare Assignment
12850 TOEPPERWEIN RD, LIVE OAK, TX 78233(210) 614-1234(210) 614-0952 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2026, Oct 8, 2024, Aug 7, 2024 and 1 more (4 updates tracked since 2016).

About Dr. Mahesh Gajendran M.d. NPPES

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

DR. MAHESH GAJENDRAN M.D. (NPI 1285833921) is an individual gastroenterology provider in Live Oak, Texas, licensed in Texas (Q9351) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285833921
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MAHESH GAJENDRANCredential: M.D.
Location Address12850 TOEPPERWEIN RDLive Oak, TX 78233-4115
Mailing AddressPo Box 35629Dallas, TX 75235-0629 · (214) 424-2200 · Fax (214) 231-2159
Phone(210) 614-1234
Fax(210) 614-0952
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 12, 2007
Last NPPES UpdateFebruary 5, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1285833921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · Q9351
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License Q9351 (TX)
Also ListedHospitalistTaxonomy 208M00000X · License Q9351 (TX)
12850 TOEPPERWEIN RD, Live Oak, TX 78233
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Secondary Practice Locations 2

Location 11460 Martinez Losoya RdSan Antonio, TX 78221-9648 · Phone (210) 644-3100 · Fax (210) 702-6508
Location 2903 W Martin St # MS 49-2San Antonio, TX 78207-0903 · Phone (201) 358-3344 · Fax (210) 358-3944

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

Dr. Mahesh Gajendran 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 ID3971796103
PECOS Enrollment IDI20160901002194
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

4

Medicare enrollment records show Mahesh Gajendran reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Medicine Associates
13 mi
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
University Of Texas Health Science Center At San Antonio
14 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
Texas Digestive Disease Consultants, PLLC
177 mi
Gastroenterology
4100 S SHEPHERD DR
Houston, TX 77098
  • Reassigned Medicare billing, Texas enrollment
  • 575 clinicians in this Medicare group
NPI 1013429968 (832) 255-5681
Texas Tech University Health Sciences Center
495 mi
Family Medicine
313 S RIO VISTA RD
El Paso, TX 79927
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
  • 856 clinicians in this Medicare group
NPI 1588622500 (915) 859-0817

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 4

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78233 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 3

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers44 claims44 services$68.24 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers17 claims17 services$31.61 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$31.55 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 12

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

MAUI CERVANTES
Physician Assistant
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
VIRGINIA G VAN HORN CRNA
Nurse Anesthetist, Certified Registered
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
DR. DAVID PRYOR JONES DO
Internal Medicine (Gastroenterology)
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
MRS. LYNN CHUONG PA-C
Physician Assistant
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
DR. HAYS L. ARNOLD III M.D.
Internal Medicine (Gastroenterology)
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
MALLORY KATHRYN MCFARLAND PA-C
Physician Assistant
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
MICHAEL PIESMAN M.D.
Internal Medicine (Gastroenterology)
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234
MRS. YUNI CORWIN APRN-CNP
Nurse Practitioner
12850 TOEPPERWEIN RD
LIVE OAK, TX 78233
Bexar County (210) 614-1234

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 Mahesh Gajendran's NPI number?

The NPI number for Mahesh Gajendran is 1285833921. It was assigned to this individual provider in the NPPES registry on July 12, 2007.

Where is Mahesh Gajendran located?

Mahesh Gajendran practices at 12850 Toepperwein Rd, Live Oak, TX 78233. The listed phone number is (210) 614-1234.

What is Mahesh Gajendran's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mahesh Gajendran enrolled in Medicare?

Yes. Mahesh Gajendran 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 Mahesh Gajendran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahesh Gajendran reassigns Medicare benefits to 4 organizations: Community Medicine Associates (San Antonio, TX), University Of Texas Health Science Center At San Antonio (San Antonio, TX), Texas Digestive Disease Consultants, PLLC (Houston, TX) and Texas Tech University Health Sciences Center (El Paso, TX). 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 Mahesh Gajendran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahesh Gajendran 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 2 other insurers list Mahesh Gajendran 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 Mahesh Gajendran affiliated with any hospitals?

According to CMS data, Mahesh Gajendran is affiliated with Baptist Medical Center, University Health System, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Mahesh Gajendran was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.