ASHISH MAMACHEN MD
NPI 1053766873
Internal Medicine in Galveston, TX

Active since April 29, 2016PECOS EnrolledAccepts Medicare Assignment
301 UNIVERSITY BLVD, GALVESTON, TX 77555(409) 772-7063(409) 747-8579 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ashish Mamachen Md NPPES

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

ASHISH MAMACHEN MD (NPI 1053766873) is an individual internal medicine provider in Galveston, Texas, licensed in Texas (BP10056506) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of University Of Texas Medical Branch At Galveston (2016).

NPPES Registry Identity

NPI1053766873
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameASHISH MAMACHENCredential: MD
Location Address301 UNIVERSITY BLVDGalveston, TX 77555-0570
Mailing Address301 University BlvdGalveston, TX 77555-0570 · (409) 772-2653 · Fax (409) 772-5462
Fax(409) 747-8579
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2016
Enumeration DateApril 29, 2016
Last NPPES UpdateFebruary 19, 2025
NPPES CertifiedFebruary 19, 2025
NPI 1053766873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · BP10056506
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License S2834 (TX)
301 UNIVERSITY BLVD, Galveston, TX 77555

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ashish Mamachen Md 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 ID1850723362
PECOS Enrollment IDI20191120003041
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
43 services42 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
37 services36 patients

Hospital Affiliations CMS Care Compare 2

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

South Texas Health System

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450119
Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Harlingen Medical Center

Acute Care Hospitals · Harlingen, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450855
Location5501 South Expressway 77Harlingen, TX 78550 · Cameron County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 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
$131.16 typical visit price
range $57.19 – $173.07
Typical copayment $32.79 (range $14.29 – $43.26)
Most-billed visit code 99204
Established Patient
$100.90 typical visit price
range $18.45 – $141.36
Typical copayment $25.22 (range $4.61 – $35.34)
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 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier13 claims13 services$19.10 avg. paid by Medicare
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
1 supplier13 claims13 services$105.82 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 20

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

Nurse Practitioner (Pediatrics)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Nurse Practitioner (Neonatal)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Surgery (Trauma Surgery)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Internal Medicine
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Psychiatry & Neurology (Neurology)
301 UNIVERSITY BLVD, JSA 9.128
GALVESTON, TX 77555
Anesthesiology
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Internal Medicine (Endocrinology, Diabetes & Metabolism)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Anesthesiology
301 UNIVERSITY BLVD
GALVESTON, TX 77555

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 Ashish Mamachen's NPI number?

The NPI number for Ashish Mamachen is 1053766873. It was assigned to this individual provider in the NPPES registry on April 29, 2016.

Where is Ashish Mamachen located?

Ashish Mamachen practices at 301 University Blvd, Galveston, TX 77555. The listed phone number is (409) 772-7063.

What is Ashish Mamachen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ashish Mamachen enrolled in Medicare?

Yes. Ashish Mamachen 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.

What insurance does Ashish Mamachen accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Ashish Mamachen 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 Ashish Mamachen affiliated with any hospitals?

According to CMS data, Ashish Mamachen is affiliated with South Texas Health System and Harlingen Medical Center.

When was this NPI record last updated?

The NPPES record for Ashish Mamachen was last updated on February 19, 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.