Provider Profile
Carl K. Callahan, CNP
Unclaimed ProfileAbout Carl Callahan
Listed in the NPI registry as a nurse practitioner — family, Carl K. Callahan, CNP practices in Saint Louis, MO. Medicare claims data shows Carl provided 209 services to 141 patients. The services billed most often include emergency department visit with low level of medical decision making, emergency department visit with straightforward medical decision making, and emergency department visit for problem that may not require health care professional.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (314) 394-1379
- Email not available
Practice Locations
13131 TESSON FERRY RD STE 220
Saint Louis, MO 63128
12660 Lamplighter Square Shpg Ctr Suite J
Saint Louis, MO 63128
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Most searched procedures
Allergies
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
Ear, nose & throat
Heart health
Hormones & endocrine
Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
Neurological care
Occupational health
Pain management
Physical exams
Prescriptions
- Prescription Refill
Preventative care
Preventative exams
Respiratory care
Screenings
Sexual health
Skin procedures
Sleep
- At-Home Sleep Study Ordering
Urgent care
Weight management
Women's health
Procedures Most Often Billed to Medicare
209 services · 141 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
127 | More than most peers in Nurse Practitioner, Family |
| Emergency department visit with straightforward medical decision making | Office visit | 99282 |
41 | More often than most peers in Nurse Practitioner, Family |
| Emergency department visit for problem that may not require health care professional | Office visit | 99281 |
25 | Too few peers to compare |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
16 | Less often than most peers in Nurse Practitioner, Family |
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.
Related specialists at this location 3
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.
Common questions
What is Carl K. Callahan's specialty?
Carl K. Callahan is a nurse practitioner in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Carl K. Callahan?
Carl K. Callahan is listed at 13131 Tesson Ferry Rd Ste 220, Saint Louis, MO 63128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Carl K. Callahan?
The number on file is (314) 394-1379. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Carl K. Callahan?
Carl K. Callahan's National Provider Identifier is 1750755849. 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
How much experience does Carl K. Callahan have?
Carl K. Callahan has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Carl K. Callahan known for?
According to Medicare billing data, Carl K. 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 Carl K. Callahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Carl K. 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.