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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NAOMI ELSPETH ARONSON M.D.
NPI 1487680591
Internal Medicine - Infectious Disease in Bethesda, MD

Active since June 23, 2006PECOS Enrolled
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-6400(301) 295-3557 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Dr. Naomi Elspeth Aronson M.d. NPPES

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

DR. NAOMI ELSPETH ARONSON M.D. (NPI 1487680591) is an individual infectious disease provider in Bethesda, Maryland, licensed in Pennsylvania (MD-032992-E) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487680591
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. NAOMI ELSPETH ARONSONCredential: M.D.
Location Address8901 WISCONSIN AVEBethesda, MD 20889-0004
Mailing Address8901 Wisconsin AveBethesda, MD 20889-0004 · (301) 295-3621 · Fax (301) 295-3557
Phone(301) 295-6400
Fax(301) 295-3557
Sole ProprietorNo
Enumeration DateJune 23, 2006
Last NPPES UpdateSeptember 22, 2026
NPPES CertifiedSeptember 22, 2026
✔ NPI 1487680591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in PA · MD-032992-E
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
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. Naomi Elspeth Aronson 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 Naomi Aronson's NPI number?

The NPI number for Naomi Aronson is 1487680591. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Naomi Aronson located?

Naomi Aronson practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-6400.

What is Naomi Aronson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Naomi Aronson enrolled in Medicare?

Yes. Naomi Aronson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Naomi Aronson was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.