Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROBERT U HARTZLER M.D.
NPI 1780849372
Orthopaedic Surgery in San Antonio, TX

Q: What is Robert Hartzler's NPI number?

The NPI number for Robert Hartzler is 1780849372. It was assigned to this individual provider in the NPPES registry on July 23, 2008.

Q: What is Robert Hartzler's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Hartzler was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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 July 23, 2008PECOS Enrolled

76.06/100

CMS Quality Rating

19138 US HIGHWAY 281 N STE 200, SAN ANTONIO, TX 78258(210) 804-5630 Get Directions Write a Review

NPPES record last updated: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 28, 2026, Jul 1, 2021, Jul 13, 2017 and 1 more (4 updates tracked since 2016).

On this page

About Robert U Hartzler M.d. NPPES

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

ROBERT U HARTZLER M.D. (NPI 1780849372) is an individual orthopaedic surgery provider in San Antonio, Texas, licensed in Texas (P7925) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Peterson Regional Medical Center, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1780849372

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameROBERT U HARTZLERCredential: M.D.

Location Address19138 US HIGHWAY 281 N STE 200San Antonio, TX 78258-4988

Mailing Address400 Concord Plaza Dr Ste 300San Antonio, TX 78216-6991 · (210) 804-5400

Phone(210) 804-5630

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2008

Enumeration DateJuly 23, 2008

Last NPPES UpdateOctober 28, 20264 updates tracked since enumeration

NPPES CertifiedOctober 28, 2026

✔ NPI 1780849372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

Licenses✔ Licensed in TX · P7925✔ Licensed in MN · 51930✔ Licensed in FL · ME115054

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

19138 US HIGHWAY 281 N STE 200, San Antonio, TX 78258

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Secondary Practice Location 1

Location 1400 Concord Plaza Dr, Suite 300San Antonio, TX 78216-6905 · Phone (210) 804-5630 · Fax (210) 804-5633

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc..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

Robert U Hartzler 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 ID4082769054

PECOS Enrollment IDI20140328001612

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

The San Antonio Orthopaedic Group, LLP

7.7 mi

Orthopaedic Surgery

400 CONCORD PLAZA DR, STE 300
San Antonio, TX 78216

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

NPI 1720022494 (210) 804-5416

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 16

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,726 services160 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

546 services382 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

321 services250 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

205 services173 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

197 services155 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

95 services95 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

91 services85 patients

Prosthetic repair of shoulder joint, total shoulder 23472

Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.

62 services61 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

60 services60 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

49 services46 patients

Repair of shoulder rotator cuff using an endoscope 29827

This procedure, known as arthroscopic rotator cuff repair, helps fix tears in the shoulder's rotator cuff. An endoscope, a small camera, is used to view the shoulder inside. Using small tools, the surgeon repairs the torn tissue. This minimally invasive approach often leads to a quicker recovery.

47 services47 patients

Shaving of part of shoulder bone and repair of ligament using an endoscope 29826

This procedure involves using a tiny camera, called an endoscope, to view and repair a damaged shoulder ligament. Simultaneously, a small portion of the shoulder bone is shaved to alleviate discomfort and improve movement. It's a minimally invasive technique that aids in a quicker recovery.

31 services31 patients

Release of tendon connecting biceps muscle and shoulder using an endoscope 29828

This procedure involves using a small camera, known as an endoscope, to view and release the tendon connecting your biceps muscle and shoulder. It can help reduce pain and improve mobility. The procedure is minimally invasive, promoting quicker recovery.

30 services30 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

28 services23 patients

Removal of extensive shoulder joint tissue using an endoscope 29823

This procedure, known as arthroscopic debridement, involves using a small camera (endoscope) to view your shoulder joint. Damaged or unwanted tissue is then carefully removed. This minimally invasive technique aims to reduce pain and improve joint mobility.

18 services18 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Peterson Regional Medical Center

Acute Care Hospitals · Kerrville, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450007

Location551 Hill Country DriveKerrville, TX 78028 · Kerr County

Emergency services Birthing friendly

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

Guadalupe Regional Medical Center

Acute Care Hospitals · Seguin, TX

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number450104

Location1215 E Court StSeguin, TX 78155 · Guadalupe County

Emergency services Birthing friendly

Columbus Community Hospital

Acute Care Hospitals · Columbus, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number450370

Location110 Shult DrColumbus, TX 78934 · Colorado County

Emergency services Birthing friendly

Uvalde Memorial Hospital

Critical Access Hospitals · Uvalde, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451387

Location1025 Garner Field RoadUvalde, TX 78801 · Uvalde County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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.

76.06/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

60.29

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Advance Care Plan

11%737 patients1/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

57%407 patients3/55-star benchmark: 87%

Colorectal Cancer Screening

0%916 patients1/55-star benchmark: 88%

Controlling High Blood Pressure

45%38 patients2/55-star benchmark: 91%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

95%22 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

98%2,055 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

2%721 patients1/55-star benchmark: 100%

Osteoporosis Management in Women Who Had a Fracture

19%27 patients

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

24%1,309 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%1,340 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

18%1,797 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 47% · 1,006 patients

Patients screened: 50% · 1,006 patients

9%35 patients1/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients screened: 1% · 490 patients

1%490 patients

Provide Patients Electronic Access to Their Health Information

76%568 patients3/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

82%55 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 1% · 750 patients

Patients totalRate: 3% · 751 patients

2%751 patients4/55-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.

Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf L3660

DME-Orthotic Devices · category DF000N

2 suppliers12 claims12 services$71.70 avg. paid by Medicare

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670

DME-Orthotic Devices · category DF000N

3 suppliers51 claims51 services$89.59 avg. paid by Medicare

Upper extremity addition, excursion amplifier, pulley type L6641

DME-Orthotic Devices · category DF000N

3 suppliers60 claims60 services$153.27 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.

LAUREN EMMA KARBACH M.D.

Surgery (Surgery of the Hand)