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DR. SHARMILI MATHUR DO
NPI 1851541288
Internal Medicine - Sleep Medicine in Warrenton, VA

Active since September 22, 2008PECOS Enrolled
400 HOLIDAY CT STE 103, WARRENTON, VA 20186(540) 699-0608(540) 680-2427 Get Directions Write a Review

NPPES record last updated: November 15, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 15, 2023, Jan 6, 2022, Nov 11, 2020 and 2 more (5 updates tracked since 2019).

About Dr. Sharmili Mathur Do NPPES

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

DR. SHARMILI MATHUR DO (NPI 1851541288) is an individual sleep medicine provider in Warrenton, Virginia, licensed in Virginia (0102202672) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Culpeper, and is a graduate of University Of Maryland School Of Medicine (2001).

NPPES Registry Identity

NPI1851541288
Entity TypeIndividualFemale
Primary Taxonomy207RS0012X
Provider Legal NameDR. SHARMILI MATHURCredential: DO
Location Address400 HOLIDAY CT STE 103Warrenton, VA 20186-4349
Mailing Address400 Holiday Ct Ste 103Warrenton, VA 20186-4349 · (540) 699-0608 · Fax (540) 680-2427
Phone(540) 699-0608
Fax(540) 680-2427
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2001
Enumeration DateSeptember 22, 2008
Last NPPES UpdateNovember 15, 20235 updates tracked since enumeration
NPPES CertifiedNovember 15, 2023
✔ NPI 1851541288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in VA · 0102202672
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 0102202672 (VA)
400 HOLIDAY CT STE 103, Warrenton, VA 20186
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Secondary Practice Location 1

Location 1571 James Madison Hwy Ste BCulpeper, VA 22701-2367 · Phone (540) 699-0608 · Fax (540) 680-2427

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sharmili Mathur Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224210166
PECOS Enrollment IDI20110314000500
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 Reassignment

Medicare enrollment records show Sharmili Mathur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sound Sleep LLC
9.3 mi
Sleep Medicine
6626 MUIR DR
Haymarket, VA 20169
  • Reassigned Medicare billing, Virginia enrollment
  • 3 clinicians in this Medicare group
NPI 1639776347 (301) 873-8379

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

Areas of Expertise CMS Part B claims 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
362 services183 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
57 services55 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
52 services52 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
45 services44 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
34 services34 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
20 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20186 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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 16

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
26 suppliers223 claims223 services$31.84 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
22 suppliers181 claims182 services$75.76 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
19 suppliers172 claims475 services$28.27 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
19 suppliers113 claims626 services$16.11 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
13 suppliers42 claims241 services$12.90 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
23 suppliers179 claims179 services$46.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Sharmili Mathur's NPI number?

The NPI number for Sharmili Mathur is 1851541288. It was assigned to this individual provider in the NPPES registry on September 22, 2008.

Where is Sharmili Mathur located?

Sharmili Mathur practices at 400 Holiday Ct Ste 103, Warrenton, VA 20186. The listed phone number is (540) 699-0608.

What is Sharmili Mathur's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Sharmili Mathur enrolled in Medicare?

Yes. Sharmili Mathur is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sharmili Mathur's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sharmili Mathur reassigns Medicare benefits to Sound Sleep LLC (Haymarket, VA). The 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 Sharmili Mathur'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 Sharmili Mathur was last updated on November 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.