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DR. ALEXANDRA LEE SINGER M.D.
NPI 1679777221
Internal Medicine in Bethesda, MD

Active since June 14, 2007PECOS Enrolled
NATIONAL NAVAL MEDICAL CENTER INTERNAL MEDICINE, 8901 WISCONSIN AVENUE, BETHESDA, MD 20889(301) 295-0196(301) 319-8240 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Alexandra Lee Singer M.d. NPPES

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

DR. ALEXANDRA LEE SINGER M.D. (NPI 1679777221) is an individual internal medicine provider in Bethesda, Maryland, licensed in Virginia (0101241978) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679777221
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDRA LEE SINGERCredential: M.D.
Location AddressNATIONAL NAVAL MEDICAL CENTER INTERNAL MEDICINE, 8901 WISCONSIN AVENUEBethesda, MD 20889-0001
Mailing Address23916 Trading Post DrClarksburg, MD 20871-5307 · (301) 540-7741 · Fax (301) 319-8240
Phone(301) 295-0196
Fax(301) 319-8240
Sole ProprietorNo
Enumeration DateJune 14, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679777221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101241978
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NATIONAL NAVAL MEDICAL CENTER INTERNAL MEDICINE, 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. Alexandra Lee Singer 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.

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 Alexandra Singer's NPI number?

The NPI number for Alexandra Singer is 1679777221. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Where is Alexandra Singer located?

Alexandra Singer practices at National Naval Medical Center Internal Medicine 8901 Wisconsin Avenue, Bethesda, MD 20889. The listed phone number is (301) 295-0196.

What is Alexandra Singer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexandra Singer enrolled in Medicare?

Yes. Alexandra Singer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexandra Singer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.