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DR. REBECCA FELSEN MD
NPI 1477863884
Internal Medicine in Gaithersburg, MD

Active since October 19, 2010PECOS EnrolledAccepts Medicare Assignment
200 GIRARD ST, SUITE 212A, GAITHERSBURG, MD 20877(301) 216-0880 Get Directions Write a Review

NPPES record last updated: October 2, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Rebecca Felsen Md NPPES

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

DR. REBECCA FELSEN MD (NPI 1477863884) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Maryland (D0073497) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2008).

NPPES Registry Identity

NPI1477863884
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. REBECCA FELSENCredential: MD
Location Address200 GIRARD ST, SUITE 212AGaithersburg, MD 20877-3466
Mailing Address8665 Georgia AveSilver Spring, MD 20910-3405 · (301) 340-7525 · Fax (301) 495-0318
Phone(301) 216-0880
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2008
Enumeration DateOctober 19, 2010
Last NPPES UpdateOctober 2, 2024
NPPES CertifiedOctober 2, 2024
✔ NPI 1477863884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MD · D0073497✔ Licensed in NJ · 25MA08888000
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.
200 GIRARD ST, Gaithersburg, MD 20877
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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

Dr. Rebecca Felsen 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 ID6608018783
PECOS Enrollment IDI20130820000783
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 20877 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers54 claims133 services$6.10 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers29 claims51 services$1.06 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
5 suppliers17 claims3,672 services$0.03 avg. paid by Medicare
Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram J7644
DME-Drugs Administered Through DME · category DG006N
1 supplier11 claims660 services$0.15 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers17 claims17 services$215.43 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
5 suppliers19 claims19 services$19.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. EVONNE D BING M.D.
Pediatrics
200 GIRARD ST, SUITE 212-A
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880
LILIANA VANESSA SILVA
Registered Nurse
200 GIRARD ST, SUITE 212A
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880
ANDREA AGUILAR RN
Registered Nurse
200 GIRARD ST, SUITE 212A
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880
JILL JACOBS RDH
Dental Hygienist
200 GIRARD ST, SUITE# 2016
GAITHERSBURG, MD 20877
Montgomery County (240) 720-0510
GLORIA E CORTEZ RN
Registered Nurse
200 GIRARD ST, 212 A
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880
MS. DARRIELLE LYNNE STICKLER GATSON RDH
Dental Hygienist
200 GIRARD ST, SUITE 206
GAITHERSBURG, MD 20877
Montgomery County (240) 720-0510
ANA LUCIA RAMIREZ-SALAZAR RN, BSN
Registered Nurse
200 GIRARD ST
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880
MRS. VERA LUZ NAVARRO RN
Registered Nurse
200 GIRARD ST, SUITE # 212A
GAITHERSBURG, MD 20877
Montgomery County (301) 216-0880

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 Rebecca Felsen's NPI number?

The NPI number for Rebecca Felsen is 1477863884. It was assigned to this individual provider in the NPPES registry on October 19, 2010.

Where is Rebecca Felsen located?

Rebecca Felsen practices at 200 Girard St Suite 212A, Gaithersburg, MD 20877. The listed phone number is (301) 216-0880.

What is Rebecca Felsen's specialty?

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

Is Rebecca Felsen enrolled in Medicare?

Yes. Rebecca Felsen 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 Rebecca Felsen was last updated on October 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.