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ALLISON BUSH M.D.
NPI 1194163014
Internal Medicine - Gastroenterology in Bethesda, MD

Active since June 13, 2013PECOS Enrolled
8901 WISCONSIN AVE, GME INTERNAL MEDICINE DEPARTMENT, BETHESDA, MD 20889(315) 406-3163 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Allison Bush M.d. NPPES

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

ALLISON BUSH M.D. (NPI 1194163014) is an individual gastroenterology provider in Bethesda, Maryland, licensed in Virginia (010125678) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portsmouth.

NPPES Registry Identity

NPI1194163014
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameALLISON BUSHCredential: M.D.
Location Address8901 WISCONSIN AVE, GME INTERNAL MEDICINE DEPARTMENTBethesda, MD 20889-0004
Mailing Address620 John Paul Jones Cir Dept OfPortsmouth, VA 23708-2111
Phone(315) 406-3163
Sole ProprietorNo
Enumeration DateJune 13, 2013
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
✔ NPI 1194163014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in VA · 010125678
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8901 WISCONSIN AVE, Bethesda, MD 20889
Open in Google Maps ↗

Secondary Practice Location 1

Location 1620 John Paul Jones CirPortsmouth, VA 23708-2111 · Phone (757) 953-2010

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Bush 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
$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
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
DR. ANN TALBOT SCHWARTZ MD
Pediatrics
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4941

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 Allison Bush's NPI number?

The NPI number for Allison Bush is 1194163014. It was assigned to this individual provider in the NPPES registry on June 13, 2013.

Where is Allison Bush located?

Allison Bush practices at 8901 Wisconsin Ave Gme Internal Medicine Department, Bethesda, MD 20889. The listed phone number is (315) 406-3163.

What is Allison Bush's specialty?

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

Is Allison Bush enrolled in Medicare?

Yes. Allison Bush is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allison Bush was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.