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DR. JOHN GETTYS MCCARTHY M.D., M.SC.
NPI 1508129677
Internal Medicine - Gastroenterology in Bethesda, MD

Active since June 22, 2012PECOS Enrolled
8901 WISCONSIN AVE, WRNMMC, BETHESDA, MD 20889(301) 295-4000 Get Directions Write a Review

NPPES record last updated: August 28, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 28, 2023, Jun 17, 2020, Jun 22, 2016 (3 updates tracked since 2016).

About Dr. John Gettys Mccarthy M.d., M.sc. NPPES

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

DR. JOHN GETTYS MCCARTHY M.D., M.SC. (NPI 1508129677) is an individual gastroenterology provider in Bethesda, Maryland, licensed in Hawaii (MD-17464) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508129677
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN GETTYS MCCARTHYCredential: M.D., M.SC.
Location Address8901 WISCONSIN AVE, WRNMMCBethesda, MD 20889-5600
Mailing Address8901 Wisconsin Ave, WrnmmcBethesda, MD 20889-5600 · (301) 295-4000
Phone(301) 295-4000
Sole ProprietorNo
Enumeration DateJune 22, 2012
Last NPPES UpdateAugust 28, 20233 updates tracked since enumeration
NPPES CertifiedAugust 28, 2023
✔ NPI 1508129677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in HI · MD-17464
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
8901 WISCONSIN AVE, Bethesda, MD 20889
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Gettys Mccarthy M.d., M.sc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

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.

DR. TAMMERA NELSON
Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4497
DAWOOD TAFTI M.D.
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 319-8373
DR. ASHLEY BEE BOZZAY
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-8588
DR. ADAM JOSEPH MAIER DO
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
OANA MARIA POVIAN STROIE MD
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
SIMAL RUHISHTA ALI DO
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4900
DR. JACOB L FRIESEN M.D.
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Montgomery County (301) 319-3772
MS. CARLA PATRICE ALEXIS P.T.
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4880

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 John Mccarthy's NPI number?

The NPI number for John Mccarthy is 1508129677. It was assigned to this individual provider in the NPPES registry on June 22, 2012.

Where is John Mccarthy located?

John Mccarthy practices at 8901 Wisconsin Ave Wrnmmc, Bethesda, MD 20889. The listed phone number is (301) 295-4000.

What is John Mccarthy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Mccarthy enrolled in Medicare?

Yes. John Mccarthy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Mccarthy was last updated on August 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.