DR. MARK DANIEL FIERRO M.D.
NPI 1720425242
Family Medicine in Harker Heights, TX

Q: What is Mark Fierro's NPI number?

The NPI number for Mark Fierro is 1720425242. It was assigned to this individual provider in the NPPES registry on May 23, 2013.

Q: What is Mark Fierro's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Fierro was last updated on July 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since May 23, 2013PECOS EnrolledAccepts Medicare Assignment

800 W CENTRAL TEXAS EXPY, SUITE 125, HARKER HEIGHTS, TX 76548(254) 618-1050 Get Directions Write a Review

NPPES record last updated: July 25, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Mark Daniel Fierro M.d. NPPES

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

DR. MARK DANIEL FIERRO M.D. (NPI 1720425242) is an individual family medicine provider in Harker Heights, Texas, licensed in Kansas (9408101) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1720425242

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARK DANIEL FIERROCredential: M.D.

Location Address800 W CENTRAL TEXAS EXPY, SUITE 125Harker Heights, TX 76548-1899

Mailing Address800 W Central Texas Expy, Suite 125Harker Heights, TX 76548-1899 · (254) 618-1050

Phone(254) 618-1050

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateMay 23, 2013

Last NPPES UpdateJuly 25, 2016

✔ NPI 1720425242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in KS · 9408101✔ Licensed in IA · MD-43099

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.

800 W CENTRAL TEXAS EXPY, Harker Heights, TX 76548

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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, Sendero Health Plans, Local Nonprofit.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. Mark Daniel Fierro 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 ID1658677737

PECOS Enrollment IDI20161129000645

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

Medicare enrollment records show Mark Fierro reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usacs Integrated Acute Care Services Of Texas, PLLC

38 mi

Internal Medicine

1401 MEDICAL PKWY
Cedar Park, TX 78613

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

NPI 1801300322 (330) 493-4443

Lonestar Pat Associates PA

39 mi

Hospitalist

2400 ROUND ROCK AVE
Round Rock, TX 78681

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

NPI 1811594203 (512) 341-1000

Lonestar Hospital Medicine Associates, PA

109 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

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

NPI 1518237429 (682) 622-2000

Ipc Healthcare Services Of Texas, PLLC

118 mi

Hospitalist

7330 SAN PEDRO AVE, STE 540
San Antonio, TX 78216

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

NPI 1023403011 (210) 344-7287

Apotheosis Medical Group, PLLC

121 mi

Hospitalist

6523 MOSS OAK DR
San Antonio, TX 78229

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

NPI 1417763269 (409) 201-9655

Hospitalist Medicine Physicians Of Texas, PLLC

161 mi

Internal Medicine

18951 N MEMORIAL DR
Humble, TX 77338

Reassigned Medicare billing, Texas enrollment
2,009 clinicians in this Medicare group

NPI 1629307095 (281) 540-7700

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 10

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

94 services43 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.

51 services39 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.

50 services49 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.

43 services42 patients

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.

29 services17 patients

Nursing facility discharge day management, 30 minutes or less 99315

Nursing facility discharge day management involves organizing your transition from the nursing facility to your home or another facility. This service, taking 30 minutes or less, includes finalizing medical instructions, arranging follow-up care, and answering any questions.

23 services22 patients

Hospital Affiliations CMS Care Compare 5

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

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

Adventhealth Rollins Brook

Critical Access Hospitals · Lampasas, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number451323

Location608 North Key AvenueLampasas, TX 76550 · Lampasas County

Emergency services

Ascension Seton Williamson

Acute Care Hospitals · Round Rock, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670041

Location201 Seton ParkwayRound Rock, TX 78664 · Williamson 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

Ascension Seton Hays

Acute Care Hospitals · Kyle, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670056

Location6001 Kyle PkwyKyle, TX 78640 · Hays County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76548 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%99 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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

3 suppliers14 claims15 services$18.68 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers18 claims18 services$909.39 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 suppliers18 claims19 services$92.73 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 15

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

MR. JOHN PATRICK DUGGAN JR. MD

Orthopaedic Surgery

800 W CENTRAL TEXAS EXPY, SUITE 175
HARKER HEIGHTS, TX 76548

Bell County (254) 618-1095

DR. ERIK ROBERT LOVRIA M.D.

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)

800 W CENTRAL TEXAS EXPY, SUITE 175
HARKER HEIGHTS, TX 76548

Bell County (254) 618-1095

DR. KENECHUKWU O ENELI M.D.

Family Medicine

800 W CENTRAL TEXAS EXPY, 125
HARKER HEIGHTS, TX 76548

Bell County (254) 618-1050

NANCY GISELA ZEGARRA M.D.

Internal Medicine

800 W CENTRAL TEXAS EXPY, SUITE # 390
HARKER HEIGHTS, TX 76548

Bell County (254) 618-4330

MRS. PATRICIA HIGHTOWER LAMBDEN NP

Clinical Nurse Specialist (Adult Health)

800 W CENTRAL TEXAS EXPY, SUITE 355
HARKER HEIGHTS, TX 76548

Bell County (254) 526-2085

KIMBERLY DIETZE CNM

Advanced Practice Midwife

800 W CENTRAL TEXAS EXPY, SUITE 200
HARKER HEIGHTS, TX 76548

Bell County (254) 519-2229

WILLIAM RICHARD CASHION JR. MD

Internal Medicine (Cardiovascular Disease)

800 W CENTRAL TEXAS EXPY, STE. 355
HARKER HEIGHTS, TX 76548

Bell County (254) 526-2085

PHYSICIANS OF KING'S DAUGHTERS, PA

Internal Medicine (Interventional Cardiology)

800 W CENTRAL TEXAS EXPY
HARKER HEIGHTS, TX 76548

Bell County (254) 298-2682

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 Mark Fierro's NPI number?

The NPI number for Mark Fierro is 1720425242. It was assigned to this individual provider in the NPPES registry on May 23, 2013.

Where is Mark Fierro located?

Mark Fierro practices at 800 W Central Texas Expy Suite 125, Harker Heights, TX 76548. The listed phone number is (254) 618-1050.

What is Mark Fierro's specialty?

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

Is Mark Fierro enrolled in Medicare?

Yes. Mark Fierro 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 Mark Fierro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Fierro reassigns Medicare benefits to 6 organizations: Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX), Lonestar Pat Associates PA (Round Rock, TX), Lonestar Hospital Medicine Associates, PA (Mansfield, TX), Ipc Healthcare Services Of Texas, PLLC (San Antonio, TX), Apotheosis Medical Group, PLLC (San Antonio, TX) and 1 more organization, listed in the Medicare section above. 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 Mark Fierro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Fierro accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First and Sendero Health Plans, Local Nonprofit list Mark Fierro 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 Mark Fierro affiliated with any hospitals?

According to CMS data, Mark Fierro is affiliated with Methodist Hospital, Adventhealth Rollins Brook, Ascension Seton Williamson, Methodist Hospital Stone Oak and Ascension Seton Hays.

When was this NPI record last updated?

The NPPES record for Mark Fierro was last updated on July 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.