Provider Profile
Adam P. Callahan, PA-C
Unclaimed ProfileAbout Adam Callahan
Adam P. Callahan, PA-C is a physician assistant practicing in Charleston, SC. According to Medicare claims data, Adam cared for 159 Medicare patients across 203 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
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
- (843) 724-2450
- Email not available
Practice Locations
316 CALHOUN ST
Charleston, SC 29401
5255 E Stop 11 Rd Suite 300
Indianapolis, IN 46237
Procedures Most Often Billed to Medicare
203 services · 159 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
89 | More often 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 |
83 | 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 |
31 | 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 — 22 related providers in 3 groups
Other physician assistants in Charleston 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Adam P. Callahan?
Adam P. Callahan is a physician assistant in Charleston, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Adam P. Callahan's address?
Adam P. Callahan is listed at 316 Calhoun St, Charleston, SC 29401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Adam P. Callahan?
The number on file is (843) 724-2450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Adam P. Callahan's NPI number?
Adam P. Callahan's National Provider Identifier is 1700038346. 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 Adam P. Callahan train?
Adam P. Callahan attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Adam P. Callahan been practicing?
Adam P. Callahan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Adam P. Callahan perform?
According to Medicare billing data, Adam P. Callahan 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 Adam P. Callahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Adam P. Callahan. 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.