Provider Profile
Marilyn R. Marshall
Unclaimed ProfileAbout Marilyn Marshall
Marilyn R. Marshall is a physician assistant based in Mount Airy, MD. According to Medicare claims data, Marilyn cared for 970 Medicare patients across 1,278 services. 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, 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.
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
- (240) 215-6370
- Email not available
Practice Locations
504 E RIDGEVILLE BLVD STE 120
Mount Airy, MD 21771
1502 S Main St Suite 202
Mount Airy, MD 21771
Procedures Most Often Billed to Medicare
1,278 services · 970 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
51 | More often than most peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
45 | More than most peers in Physician Assistant |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
394 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
258 | More often 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 |
216 | More often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
171 | More than most peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
40 | More often than most peers in Physician Assistant |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
28 | More often than most peers in Physician Assistant |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Billing code | G0402 |
16 | More 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 28 related providers in 4 groups
Other physician assistants in Mount Airy 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Marilyn R. Marshall specialize in?
Marilyn R. Marshall is a physician assistant in Mount Airy, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Marilyn R. Marshall located?
Marilyn R. Marshall is listed at 504 E Ridgeville Blvd Ste 120, Mount Airy, MD 21771. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marilyn R. Marshall's phone number?
The number on file is (240) 215-6370. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marilyn R. Marshall's NPI number?
Marilyn R. Marshall's National Provider Identifier is 1063743250. 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 Marilyn R. Marshall train?
Marilyn R. Marshall attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Marilyn R. Marshall been practicing?
Marilyn R. Marshall has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Marilyn R. Marshall do most often?
According to Medicare billing data, Marilyn R. Marshall provides treatments such as assessment of emotional or behavioral problems and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marilyn R. Marshall confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marilyn R. Marshall. 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.