MUSAAB ESMAEL M.D.
NPI 1902251648
Hospitalist in Herndon, VA

Active since May 02, 2016PECOS EnrolledAccepts Medicare Assignment
13000 ELM TREE DR, HERNDON, VA 20171(202) 830-7577 Get Directions Write a Review

NPPES record last updated: October 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2023, Aug 11, 2020, Jul 19, 2019 (3 updates tracked since 2019).

About Musaab Esmael M.d. NPPES

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

MUSAAB ESMAEL M.D. (NPI 1902251648) is an individual hospitalist provider in Herndon, Virginia, licensed in Virginia (0101266592) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1902251648
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMUSAAB ESMAELCredential: M.D.
Location Address13000 ELM TREE DRHerndon, VA 20171-2829
Mailing Address12420 Milestone Center Dr, Ste 200Germantown, MD 20876-7111 · (240) 686-2300
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 2, 2016
Last NPPES UpdateOctober 5, 20233 updates tracked since enumeration
NPPES CertifiedOctober 5, 2023
✔ NPI 1902251648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in VA · 0101266592
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 0101266592 (VA)
13000 ELM TREE DR, Herndon, VA 20171

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Musaab Esmael M.d. 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 ID8628305703
PECOS Enrollment IDI20190820002804
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Musaab Esmael reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
1850 TOWN CENTER PKWY
Reston, VA 20190
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1376917070 (Virginia)
  • 1,150 clinicians in this Medicare group
Health Maintenance Organization
43480 YUKON DR, SUITE 100
Ashburn, VA 20147
  • Reassigned Medicare billing, Virginia enrollment
  • 995 clinicians in this Medicare group
Hospitalist
500 HOSPITAL DR
Warrenton, VA 20186
  • Reassigned Medicare billing, Virginia enrollment
  • 55 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20171 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 Musaab Esmael's NPI number?

The NPI number for Musaab Esmael is 1902251648. It was assigned to this individual provider in the NPPES registry on May 2, 2016.

Where is Musaab Esmael located?

Musaab Esmael practices at 13000 Elm Tree Dr, Herndon, VA 20171. The listed phone number is (202) 830-7577.

What is Musaab Esmael's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Musaab Esmael enrolled in Medicare?

Yes. Musaab Esmael 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.

Which organizations bill Medicare for Musaab Esmael's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Musaab Esmael reassigns Medicare benefits to 3 organizations: Emergency Medicine Associates P.A., P.C. (Reston, VA), Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Ashburn, VA) and Adfinitas Health At Fauquier, LLC (Warrenton, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Musaab Esmael's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Musaab Esmael was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.