DR. ELLEN E IM M.D.
NPI 1881854834
Internal Medicine - Nephrology in Bethesda, MD

Q: What is Ellen Im's NPI number?

The NPI number for Ellen Im is 1881854834. It was assigned to this individual provider in the NPPES registry on June 12, 2008.

Q: What is Ellen Im's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Ellen Im was last updated on December 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 12, 2008PECOS Enrolled

4494 N PALMER RD, BETHESDA, MD 20889(301) 295-4330 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Ellen E Im M.d. NPPES

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

DR. ELLEN E IM M.D. (NPI 1881854834) is an individual nephrology provider in Bethesda, Maryland, licensed in Virginia (0101246440) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Fort Belvoir.

NPPES Registry Identity

NPI1881854834

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. ELLEN E IMCredential: M.D.

Location Address4494 N PALMER RDBethesda, MD 20889-5529

Mailing Address4494 N Palmer RdBethesda, MD 20889-0001

Phone(301) 295-4330

Sole ProprietorNo

Enumeration DateJune 12, 2008

Last NPPES UpdateDecember 12, 2025

NPPES CertifiedDecember 12, 2025

✔ NPI 1881854834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in VA · 0101246440

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License 0101246440 (VA)

4494 N PALMER RD, Bethesda, MD 20889

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Secondary Practice Location 1

Location 19300 DeWitt LoopFort Belvoir, VA 22060-5285 · Phone (571) 231-3224

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. Ellen E Im 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.

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