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CHRISTOPHER PAUL IRWIN M.D
NPI 1033506191
Internal Medicine in Fort Sam Houston, TX

Active since April 16, 2015PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(916) 210-2338 Get Directions Write a Review

NPPES record last updated: November 7, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 7, 2023, Nov 15, 2018 (2 updates tracked since 2018).

About Christopher Paul Irwin M.d NPPES

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

CHRISTOPHER PAUL IRWIN M.D (NPI 1033506191) is an individual internal medicine provider in Fort Sam Houston, Texas, licensed in Nebraska (29445) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital Stone Oak, and is a graduate of West Virginia University School Of Medicine (2015).

NPPES Registry Identity

NPI1033506191
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTOPHER PAUL IRWINCredential: M.D
Location Address3551 ROGER BROOKE DRFort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke Drive, Quality Services/7th Floor Attn: Mche-zqqFort Sam Houston, TX 78234-4504 · (210) 916-2338
Phone(916) 210-2338
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 2015
Enumeration DateApril 16, 2015
Last NPPES UpdateNovember 7, 20232 updates tracked since enumeration
NPPES CertifiedNovember 7, 2023
✔ NPI 1033506191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NE · 29445✔ Licensed in WV · 32890
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.

3551 ROGER BROOKE DR, Fort Sam Houston, TX 78234
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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, CareSource, Molina Healthcare and more.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

Christopher Paul Irwin 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 ID7911287859
PECOS Enrollment IDI20201019000963
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 3

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.
94 services45 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.
32 services32 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.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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.

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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.46
Promoting Interoperability100
Improvement Activities40

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.

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 suppliers20 claims20 services$48.07 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.

MARK ALAN BARNHARDT D.O.
Pediatrics
3551 ROGER BROOKE DR, DEPARTMENT OF PEDIATRICS/ADOLESCENT MEDICINE
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-3160
DR. SCOTT JARED BENTLEY D.O.
Pediatrics (Pediatric Cardiology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-4129
TASLIM ALLIBHAI DAWOOD M.D.
Pediatrics (Neonatal-Perinatal Medicine)
3551 ROGER BROOKE DR, NEONATOLOGY
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-7078
MRS. CHRISTINE DONNA JOHNSON ANP BC
Nurse Practitioner (Primary Care)
3551 ROGER BROOKE DR, DEPARTMENT OF PEDIATRICS/ADOLESCENT MEDICINE
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-3160
DR. JONATHAN BOY MD
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE/ME
FORT SAM HOUSTON, TX 78234
Bexar County (423) 557-5399
DR. SAMUEL BRYAN MONTGOMERY M.D.
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2460
MISS STEPHANIE RAE NIEDZIELSKI OTR/L
Occupational Therapist
3551 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 808-2237
DR. ANA ELIZABETH MARKELZ MD
Internal Medicine (Infectious Disease)
3551 ROGER BROOKE DR, MCHE-QD, BLDG 3600
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5554

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 Christopher Irwin's NPI number?

The NPI number for Christopher Irwin is 1033506191. It was assigned to this individual provider in the NPPES registry on April 16, 2015.

Where is Christopher Irwin located?

Christopher Irwin practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (916) 210-2338.

What is Christopher Irwin's specialty?

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

Is Christopher Irwin enrolled in Medicare?

Yes. Christopher Irwin 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 Christopher Irwin accept?

Health plans from Blue Cross and Blue Shield of Texas, CareSource, Molina Healthcare and UnitedHealthcare list Christopher Irwin 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 Christopher Irwin affiliated with any hospitals?

According to CMS data, Christopher Irwin is affiliated with Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Christopher Irwin was last updated on November 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.