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GREGORY DUNCAN MCCARROLL M.D.
NPI 1255422614
Internal Medicine in San Antonio, TX

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment
7622 LOUIS PASTEUR DR, STE. 100, SAN ANTONIO, TX 78229(210) 614-7840(210) 614-6421 Get Directions Write a Review

NPPES record last updated: February 21, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 21, 2018, Oct 17, 2016 (2 updates tracked since 2016).

About Gregory Duncan Mccarroll M.d. NPPES

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

GREGORY DUNCAN MCCARROLL M.D. (NPI 1255422614) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (G5351) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (1983).

NPPES Registry Identity

NPI1255422614
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGREGORY DUNCAN MCCARROLLCredential: M.D.
Location Address7622 LOUIS PASTEUR DR, STE. 100San Antonio, TX 78229-4037
Mailing Address7622 Louis Pasteur Dr, Ste. 100San Antonio, TX 78229-4037 · (210) 614-7840 · Fax (210) 614-6421
Phone(210) 614-7840
Fax(210) 614-6421
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1983
Enumeration DateSeptember 28, 2006
Last NPPES UpdateFebruary 21, 20182 updates tracked since enumeration
✔ NPI 1255422614 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 · G5351
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.
7622 LOUIS PASTEUR DR, San Antonio, TX 78229
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Other Identifiers 2

Other1247207-05TX · Wellmed Medicaid
Other354622YLPSTX · Wellmed Medicare

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

Gregory Duncan Mccarroll 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 ID7416072772
PECOS Enrollment IDI20100910000368
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 9

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.

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.
499 services258 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
378 services210 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
25 services25 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
21 services21 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.
21 services20 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
17 services16 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers14 claims43 services$1.75 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers21 claims21 services$191.23 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 10

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

MS. AMBER RENEE HOBERG PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
7622 LOUIS PASTEUR DR, STE 100
SAN ANTONIO, TX 78229
Bexar County (210) 614-7840
DR. PATRICIA SHING CHUNG M.D.
Family Medicine
7622 LOUIS PASTEUR DR
SAN ANTONIO, TX 78229
Bexar County (210) 610-3859
CARLOS PERCHES MD
Family Medicine
7622 LOUIS PASTEUR DR, STE 100
SAN ANTONIO, TX 78229
Bexar County (210) 614-7840
CHRISTOPHER WILLIAM ARNOLD MD
Family Medicine
7622 LOUIS PASTEUR DR, 100
SAN ANTONIO, TX 78229
Bexar County (210) 614-7840
MRS. DEANNA PATEK RN, BSB, BSN
Nurse Practitioner (Gerontology)
7622 LOUIS PASTEUR DR
SAN ANTONIO, TX 78229
Bexar County (210) 610-3859
ROSSLYN WOLFE BLAKE GNP/FNP
Nurse Practitioner (Family)
7622 LOUIS PASTEUR DR, STE 201
SAN ANTONIO, TX 78229
Bexar County (210) 610-3859
DR. ROSA ISELA VIZCARRA MD
Family Medicine (Geriatric Medicine)
7622 LOUIS PASTEUR DR, STE 201
SAN ANTONIO, TX 78229
Bexar County (210) 610-3859
KIMBERLY KAY GARZA NP
Nurse Practitioner (Adult Health)
7622 LOUIS PASTEUR DR, STE 201
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668

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 Gregory Mccarroll's NPI number?

The NPI number for Gregory Mccarroll is 1255422614. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Gregory Mccarroll located?

Gregory Mccarroll practices at 7622 Louis Pasteur Dr Ste. 100, San Antonio, TX 78229. The listed phone number is (210) 614-7840.

What is Gregory Mccarroll's specialty?

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

Is Gregory Mccarroll enrolled in Medicare?

Yes. Gregory Mccarroll 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.

Is Gregory Mccarroll affiliated with any hospitals?

According to CMS data, Gregory Mccarroll is affiliated with Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Mccarroll was last updated on February 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.