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MARISSA DENISE SAGER
NPI 1649996927
Physician Assistant in Winchester, VA

Active since October 18, 2022PECOS EnrolledAccepts Medicare Assignment
1880 AMHERST ST STE AND200, WINCHESTER, VA 22601(540) 662-0306(855) 264-2066 Get Directions Write a Review

NPPES record last updated: April 21, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marissa Denise Sager NPPES

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

MARISSA DENISE SAGER (NPI 1649996927) is an individual physician assistant in Winchester, Virginia, licensed in Virginia (0110009188) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and maintains a secondary practice location in Winchester.

NPPES Registry Identity

NPI1649996927
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA DENISE SAGER
Location Address1880 AMHERST ST STE AND200Winchester, VA 22601-2900
Mailing Address220 Campus Blvd Ste 210Winchester, VA 22601-2889 · (540) 536-5100 · Fax (540) 536-0235
Phone(540) 662-0306
Fax(855) 264-2066
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 18, 2022
Last NPPES UpdateApril 21, 2023
NPPES CertifiedApril 21, 2023
✔ NPI 1649996927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in VA · 0110009188
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1880 AMHERST ST STE AND200, Winchester, VA 22601
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Secondary Practice Location 1

Location 11840 Amherst StWinchester, VA 22601-2808 · Phone (540) 536-8000 · Fax (540) 536-7780

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Marissa Denise Sager 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 ID5395110282
PECOS Enrollment IDI20230406001074
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 5

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.
519 services409 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
395 services332 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.
194 services167 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
86 services47 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Winchester Medical Center

Acute Care Hospitals · Winchester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490005
Location1840 Amherst StWinchester, VA 22601 · Winchester City County
Emergency services Birthing friendly

Warren Memorial Hospital

Acute Care Hospitals · Front Royal, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490033
Location351 Valley Health WayFront Royal, VA 22630 · Warren County
Emergency services

Shenandoah Memorial Hospital

Critical Access Hospitals · Woodstock, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number491305
Location759 South Main StreetWoodstock, VA 22664 · Shenandoah County
Emergency services

Valley Health War Memorial Hospital

Critical Access Hospitals · Berkeley Springs, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511309
Location1 Healthy WayBerkeley Springs, WV 25411 · Morgan County
Emergency services

Hampshire Memorial Hospital

Critical Access Hospitals · Romney, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511311
Location363 Sunrise BoulevardRomney, WV 26757 · Hampshire County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22601 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
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 Marissa Sager's NPI number?

The NPI number for Marissa Sager is 1649996927. It was assigned to this individual provider in the NPPES registry on October 18, 2022.

Where is Marissa Sager located?

Marissa Sager practices at 1880 Amherst St Ste And200, Winchester, VA 22601. The listed phone number is (540) 662-0306.

What is Marissa Sager's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Marissa Sager enrolled in Medicare?

Yes. Marissa Sager 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.

What insurance does Marissa Sager accept?

Health plans from CareSource list Marissa Sager as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marissa Sager affiliated with any hospitals?

According to CMS data, Marissa Sager is affiliated with Winchester Medical Center, Warren Memorial Hospital, Shenandoah Memorial Hospital, Valley Health War Memorial Hospital and Hampshire Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marissa Sager was last updated on April 21, 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.