DONNA M ALZAGA M.D.
NPI 1609069251
Internal Medicine in Marshall, TX

Q: What is Donna Alzaga's NPI number?

The NPI number for Donna Alzaga is 1609069251. It was assigned to this individual provider in the NPPES registry on August 27, 2007.

Q: What is Donna Alzaga's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Donna Alzaga was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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 August 27, 2007PECOS EnrolledAccepts Medicare Assignment

811 S WASHINGTON AVE, MARSHALL, TX 75670(903) 315-1488(903) 315-1656 Get Directions Write a Review

NPPES record last updated: January 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Donna M Alzaga M.d. NPPES

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

DONNA M ALZAGA M.D. (NPI 1609069251) is an individual internal medicine provider in Marshall, Texas, licensed in Texas (M7009) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1609069251

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDONNA M ALZAGACredential: M.D.

Location Address811 S WASHINGTON AVEMarshall, TX 75670

Mailing Address5002 Cowhorn Creek RdTexarkana, TX 75503-9766 · (903) 614-3000 · Fax (903) 614-3525

Phone(903) 315-1488

Fax(903) 315-1656

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateAugust 27, 2007

Last NPPES UpdateJanuary 14, 2025

NPPES CertifiedJanuary 14, 2025

✔ NPI 1609069251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · M7009

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.

811 S WASHINGTON AVE, Marshall, TX 75670

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Secondary Practice Locations 2

Location 15002 Cowhorn Creek RdTexarkana, TX 75503-9766 · Phone (903) 614-3000 · Fax (903) 614-3525

Location 22001 N Jefferson AveMount Pleasant, TX 75455-2338 · Phone (903) 577-6000 · Fax (903) 577-6245

Accepted Insurance

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

Donna M Alzaga 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 ID2264516145

PECOS Enrollment IDI20080303000158

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

North Texas Physician Services, PLLC

21 mi

Internal Medicine

700 E MARSHALL AVE
Longview, TX 75601

Reassigned Medicare billing, Texas enrollment
334 clinicians in this Medicare group

NPI 1992586150 (903) 315-2000

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

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

303 services126 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

138 services132 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

107 services50 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

56 services54 patients

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.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450801

Location2600 St Michael DrTexarkana, TX 75503 · Bowie County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75670 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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers33 claims33 services$16.98 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

3 suppliers29 claims29 services$87.58 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier12 claims12 services$15.46 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.

THOMAS WILLIAM KRUDEWIG CRNA

Nurse Anesthetist, Certified Registered