DR. SEAN HATTENBACH M.D.
NPI 1225415359
Family Medicine in Gonzales, TX

Q: What is Sean Hattenbach's NPI number?

The NPI number for Sean Hattenbach is 1225415359. It was assigned to this individual provider in the NPPES registry on April 27, 2015.

Q: What is Sean Hattenbach'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 Sean Hattenbach was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 27, 2015PECOS EnrolledAccepts Medicare Assignment

1110 N SARAH DEWITT DR, GONZALES, TX 78629(830) 672-8502(830) 541-5557 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 11, 2026, Dec 1, 2025, Apr 16, 2024 and 2 more (5 updates tracked since 2018).

On this page

About Dr. Sean Hattenbach M.d. NPPES

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

DR. SEAN HATTENBACH M.D. (NPI 1225415359) is an individual family medicine provider in Gonzales, Texas, licensed in Texas (R3098) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1225415359

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. SEAN HATTENBACHCredential: M.D.

Location Address1110 N SARAH DEWITT DRGonzales, TX 78629-3311

Mailing Address1110 N Sarah Dewitt DrGonzales, TX 78629-3311 · (830) 672-8502 · Fax (830) 541-5557

Phone(830) 672-8502

Fax(830) 541-5557

Sole ProprietorYes

Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2015

Enumeration DateApril 27, 2015

Last NPPES UpdateMay 11, 20265 updates tracked since enumeration

NPPES CertifiedMay 11, 2026

✔ NPI 1225415359 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 · R3098

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.

1110 N SARAH DEWITT DR, Gonzales, TX 78629

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Secondary Practice Locations 2

Location 1228 Saint George StGonzales, TX 78629-3910 · Phone (830) 672-7581

Location 24206 Retama CirVictoria, TX 77901-2757 · Phone (361) 576-2110

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. Sean Hattenbach 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 ID9234437435

PECOS Enrollment IDI20180524001372

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

Gonzales Healthcare Systems

Same address

Rural Health

1110 N SARAH DEWITT DR
Gonzales, TX 78629

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

NPI 1013916287 (830) 672-7581

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 4

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 straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

13 services13 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.

13 services11 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.

11 services11 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Memorial Hospital

Acute Care Hospitals · Gonzales, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450235

Location1110 North Sarah Dewitt DriveGonzales, TX 78629 · Gonzales County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78629 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.

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

DME-Other DME · category DE005N

1 supplier12 claims12 services$907.03 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.

GONZALES HEALTHCARE SYSTEMS

Clinic/Center (Rural Health)