Provider Profile
Elizabeth D. Callahan, APRN
Unclaimed ProfileAbout Elizabeth Callahan
Listed in the NPI registry as a nurse practitioner, Elizabeth D. Callahan, APRN practices in Columbia, SC. Elizabeth is also listed as specializing in nurse practitioner — family. Medicare claims data shows Elizabeth provided 2,036 services to 296 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month. NPI 1629748579 identifies this record in the national registry.
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
- (800) 491-0909
- Email not available
Practice Locations
SC HOUSE CALLS INC. 111 DOCTORS CIR.
Columbia, SC 29203
Procedures Most Often Billed to Medicare
2,036 services · 296 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
1,537 | More than most peers in Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
288 | More often than most peers in Nurse Practitioner |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
119 | As often as other peers in Nurse Practitioner |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
36 | Less often than most peers in Nurse Practitioner |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
26 | As often as other peers in Nurse Practitioner |
| Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes | Office visit | 99345 |
18 | As often as other peers in Nurse Practitioner |
| Nursing facility discharge management, more than 30 minutes | Office visit | 99316 |
12 | Less often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 8
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 — 24 related providers in 3 groups
Other nurse practitioners in Columbia 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Elizabeth D. Callahan specialize in?
Elizabeth D. Callahan is a nurse practitioner in Columbia, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Elizabeth D. Callahan located?
Elizabeth D. Callahan is listed at Sc House Calls Inc. 111 Doctors Cir., Columbia, SC 29203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Elizabeth D. Callahan's phone number?
The number on file is (800) 491-0909. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Elizabeth D. Callahan?
Elizabeth D. Callahan's National Provider Identifier is 1629748579. 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 Elizabeth D. Callahan train?
Elizabeth D. Callahan attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Elizabeth D. Callahan have?
Elizabeth D. Callahan has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Elizabeth D. Callahan do most often?
According to Medicare billing data, Elizabeth D. 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
Is Elizabeth D. Callahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Elizabeth D. Callahan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.