Provider Profile
Marissa D. Sager
Unclaimed ProfileAbout Marissa Sager
Marissa D. Sager is a physician assistant practicing in Winchester, VA. Marissa is also listed as specializing in student in an organized health care education program. Medicare claims data shows Marissa provided 1,405 services to 1,153 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (540) 662-0306
- Email not available
Practice Locations
1880 AMHERST ST STE AND200
Winchester, VA 22601
1840 Amherst St
Winchester, VA 22601
Procedures Most Often Billed to Medicare
1,405 services · 1,153 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
395 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
519 | More than most peers in Physician Assistant |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
199 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
194 | More than most peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
86 | More often than most peers in Physician Assistant |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Winchester 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Marissa D. Sager?
Marissa D. Sager is a physician assistant in Winchester, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa D. Sager's address?
Marissa D. Sager is listed at 1880 Amherst St Ste And200, Winchester, VA 22601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa D. Sager?
The number on file is (540) 662-0306. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marissa D. Sager?
Marissa D. Sager's National Provider Identifier is 1649996927. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marissa D. Sager train?
Marissa D. Sager attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marissa D. Sager have?
Marissa D. Sager has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marissa D. Sager perform?
According to Medicare billing data, Marissa D. Sager provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marissa D. Sager's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa D. Sager. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.