DR. GILDA-RAE GRELL MD
NPI 1467087650
Internal Medicine - Nephrology in Washington, DC

Q: What is Gilda-rae Grell's NPI number?

The NPI number for Gilda-rae Grell is 1467087650. It was assigned to this individual provider in the NPPES registry on March 8, 2020.

Q: What is Gilda-rae Grell'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 Gilda-rae Grell was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 08, 2020PECOS EnrolledAccepts Medicare Assignment

106 IRVING ST NW, STE 422 POB SOUTH TOWER, WASHINGTON, DC 20010(202) 877-0698(202) 877-6959 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jun 5, 2026, Nov 18, 2025, Mar 4, 2024 and 1 more (4 updates tracked since 2020).

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About Dr. Gilda-rae Grell Md NPPES

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

DR. GILDA-RAE GRELL MD (NPI 1467087650) is an individual nephrology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600003902) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains a secondary practice location in Silver Spring.

NPPES Registry Identity

NPI1467087650

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. GILDA-RAE GRELLCredential: MD

Location Address106 IRVING ST NW, STE 422 POB SOUTH TOWERWashington, DC 20010-2927

Mailing Address106 Irving St Nw, Ste 422 Pob South TowerWashington, DC 20010-2927 · (202) 877-0698 · Fax (202) 877-6959

Phone(202) 877-0698

Fax(202) 877-6959

Sole ProprietorYes

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 8, 2020

Last NPPES UpdateJune 5, 20264 updates tracked since enumeration

NPPES CertifiedJune 5, 2026

✔ NPI 1467087650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in DC · MD600003902✔ Licensed in MD · D0104008

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 32701201 (NY)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

106 IRVING ST NW, Washington, DC 20010

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Secondary Practice Location 1

Location 11500 Forest Glen RdSilver Spring, MD 20910-1460 · Phone (202) 877-0698 · Fax (202) 877-6959

Other Identifiers 1

Other390200000XNY · Taxonomy Code

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

Dr. Gilda-rae Grell 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 ID5890132047

PECOS Enrollment IDI20250630001888

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

36 services21 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210004

Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County

Birthing friendly

Adventist Healthcare White Oak Medical Center

Acute Care Hospitals · Silver Spring, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210016

Location11890 Healing WaySilver Spring, MD 20904 · Montgomery County

Emergency services Birthing friendly

Luminis Health Doctors Community Medical Ctr, Inc

Acute Care Hospitals · Lanham, MD

2/5 CMS rating

OwnershipProprietary

CMS Certification Number210051

Location8118 Good Luck RoadLanham, MD 20706 · Prince Georges County

Emergency services

Medstar Southern Maryland Hospital Center

Acute Care Hospitals · Clinton, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210062

Location7503 Surratts RoadClinton, MD 20735 · Prince Georges County

Emergency services Birthing friendly

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. RUMANA KAZMI M.D.

Pediatrics

106 IRVING ST NW, 306
WASHINGTON, DC 20010

District of Columbia (202) 291-2900

RUI LU

Internal Medicine (Endocrinology, Diabetes & Metabolism)

106 IRVING ST NW, SUITE 411 SOUTH
WASHINGTON, DC 20010

District of Columbia (202) 877-7080

MARIAH COVINGTON

Psychologist (Clinical Child & Adolescent)

106 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 863-2282

MARGARET L MONTGOMERY CNM

Midwife

106 IRVING ST NW, SUITE 4700 NORTH
WASHINGTON, DC 20010

District of Columbia (202) 877-7479

DR. MARIE-ANNE DRAOUI MD

Obstetrics & Gynecology

106 IRVING ST NW, SUITE 4400 NORTH
WASHINGTON, DC 20010

District of Columbia (202) 877-6933

MRS. LESLEY KATHRYN SANDERS PSYCHOLOGIST

Psychologist (Clinical)

106 IRVING ST NW, SUITE 2300
WASHINGTON, DC 20010

District of Columbia (301) 367-4827

SUSAN L LAESSIG MD

Internal Medicine (Gastroenterology)

106 IRVING ST NW, STE 205
WASHINGTON, DC 20010

District of Columbia (202) 829-0170

DR. MARTIN P KOLSKY M.D.

Ophthalmology

106 IRVING ST NW, SUITE 321
WASHINGTON, DC 20010

District of Columbia (202) 882-0200

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 Gilda-rae Grell's NPI number?

The NPI number for Gilda-rae Grell is 1467087650. It was assigned to this individual provider in the NPPES registry on March 8, 2020.

Where is Gilda-rae Grell located?

Gilda-rae Grell practices at 106 Irving St NW Ste 422 Pob South Tower, Washington, DC 20010. The listed phone number is (202) 877-0698.

What is Gilda-rae Grell's specialty?

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

Is Gilda-rae Grell enrolled in Medicare?

Yes. Gilda-rae Grell 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.

Is Gilda-rae Grell affiliated with any hospitals?

According to CMS data, Gilda-rae Grell is affiliated with Holy Cross Hospital, Adventist Healthcare White Oak Medical Center, Luminis Health Doctors Community Medical Ctr, Inc and Medstar Southern Maryland Hospital Center.

When was this NPI record last updated?

The NPPES record for Gilda-rae Grell was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.