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GLADYS SLOANE ZIMMERMAN MD
NPI 1669979209
Pediatrics - Pediatric Gastroenterology in Washington, DC

Active since April 10, 2018PECOS EnrolledAccepts Medicare Assignment
111 MICHIGAN AVE NW, WASHINGTON, DC 20010(202) 476-5000 Get Directions Write a Review

NPPES record last updated: November 6, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 6, 2024, Apr 10, 2018 (2 updates tracked since 2018).

About Gladys Sloane Zimmerman Md NPPES

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

GLADYS SLOANE ZIMMERMAN MD (NPI 1669979209) is an individual pediatric gastroenterology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500003089) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1669979209
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameGLADYS SLOANE ZIMMERMANCredential: MD
Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916
Mailing AddressPo Box 744785Atlanta, GA 30374-4785 · (202) 476-5000
Phone(202) 476-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 10, 2018
Last NPPES UpdateNovember 6, 20242 updates tracked since enumeration
NPPES CertifiedNovember 6, 2024
✔ NPI 1669979209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in DC · MD500003089
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
111 MICHIGAN AVE NW, Washington, DC 20010
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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 and accepts Medicare assignment

Gladys Sloane Zimmerman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799032686
PECOS Enrollment IDI20250218003723
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 20010 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. ANDREA BADILLO MD
Surgery
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-2451
DR. TALITA MICHELLE JORDAN MD
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-5000
YUE-HIN LOKE MD
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
ELSHADEY YAYEHYERADE BEKELE
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (301) 565-4279
NOURA AL DHAHERI MD
Student in an Organized Health Care Education/Training Program
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
JIA LIU MD
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-5000
DR. CHARLES JOHN BILLINGTON JR. MD
Medical Genetics (Clinical Genetics (M.D.))
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
GINA JIN LEE PHARMD
Pharmacist (Pharmacotherapy)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-4080

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 Gladys Zimmerman's NPI number?

The NPI number for Gladys Zimmerman is 1669979209. It was assigned to this individual provider in the NPPES registry on April 10, 2018.

Where is Gladys Zimmerman located?

Gladys Zimmerman practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.

What is Gladys Zimmerman's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Gladys Zimmerman enrolled in Medicare?

Yes. Gladys Zimmerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gladys Zimmerman was last updated on November 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.