Provider Profile
Shannon L. Gilliam, PA
Unclaimed ProfileAbout Shannon Gilliam
Shannon L. Gilliam, PA is a physician assistant based in Waldorf, MD. Shannon is also listed as specializing in physician assistant — medical. According to Medicare claims data, Shannon cared for 105 Medicare patients across 144 services. The services billed most often include critical care, first 30-74 minutes, critical care, each additional 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. The provider's National Provider Identifier (NPI) is 1972548584.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (301) 893-2505
- Email not available
Practice Locations
12070 OLD LINE CTR STE 303
Waldorf, MD 20602
1500 Forest Glen Rd Holy Corss Hospital
Silver Spring, MD 20910
Procedures Most Often Billed to Medicare
144 services · 105 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
51 | More often than most peers in Physician Assistant |
| Critical care, each additional 30 minutes | Office visit | 99292 |
41 | As often as other peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
34 | As often as other peers in Physician Assistant |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 24 related providers in 3 groups
Other physician assistants in Waldorf 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Shannon L. Gilliam?
Shannon L. Gilliam is a physician assistant in Waldorf, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Shannon L. Gilliam's address?
Shannon L. Gilliam is listed at 12070 Old Line Ctr Ste 303, Waldorf, MD 20602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Shannon L. Gilliam?
The number on file is (301) 893-2505. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Shannon L. Gilliam's NPI number?
Shannon L. Gilliam's National Provider Identifier is 1972548584. 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 Shannon L. Gilliam train?
Shannon L. Gilliam attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Shannon L. Gilliam been practicing?
Shannon L. Gilliam has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Shannon L. Gilliam perform?
According to Medicare billing data, Shannon L. Gilliam the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Shannon L. Gilliam confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Shannon L. Gilliam. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.