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JOHN J COMBS M.D.
NPI 1447239058
Radiology - Diagnostic Radiology in Bethesda, MD

Active since January 12, 2006PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4000 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 5, 2025, Apr 4, 2024 (2 updates tracked since 2024).

About John J Combs M.d. NPPES

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

JOHN J COMBS M.D. (NPI 1447239058) is an individual diagnostic radiology provider in Bethesda, Maryland, licensed in Virginia (0101102623) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447239058
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJOHN J COMBSCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address4494 Palmer Rd N, BethesdaBethesda, MD 20814 · (295) 295-5050
Phone(301) 295-4000
Sole ProprietorYes
Enumeration DateJanuary 12, 2006
Last NPPES UpdateMarch 5, 20252 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1447239058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in VA · 0101102623
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
8901 ROCKVILLE PIKE, 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)

John J Combs M.d. 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

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. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

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 Combs's NPI number?

The NPI number for John Combs is 1447239058. It was assigned to this individual provider in the NPPES registry on January 12, 2006.

Where is John Combs located?

John Combs practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4000.

What is John Combs's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is John Combs enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for John Combs was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.