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CARL KEITH CALLAHAN CNP
NPI 1750755849
Nurse Practitioner - Family in Saint Louis, MO

Active since November 30, 2015PECOS Enrolled
13131 TESSON FERRY RD STE 220, SAINT LOUIS, MO 63128(314) 394-1379(314) 394-1377 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Nov 6, 2017, Jun 2, 2017 and 1 more (4 updates tracked since 2015).

About Carl Keith Callahan Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARL KEITH CALLAHAN CNP (NPI 1750755849) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2015039591) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1750755849
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameCARL KEITH CALLAHANCredential: CNP
Location Address13131 TESSON FERRY RD STE 220Saint Louis, MO 63128-3887
Mailing Address13131 Tesson Ferry Rd, Ste 220Saint Louis, MO 63128-3887 · (314) 394-1379 · Fax (314) 394-1377
Phone(314) 394-1379
Fax(314) 394-1377
Sole ProprietorNo
Enumeration DateNovember 30, 2015
Last NPPES UpdateMarch 17, 20184 updates tracked since enumeration
✔ NPI 1750755849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2015039591
13131 TESSON FERRY RD STE 220, Saint Louis, MO 63128
Open in Google Maps ↗

Secondary Practice Location 1

Location 112660 Lamplighter Square Shpg Ctr, Suite JSaint Louis, MO 63128-2761 · Phone (314) 394-1379 · Fax (314) 394-1377

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carl Keith Callahan Cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Carl Callahan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ssm Health Care St Louis
5.7 mi
Emergency Medicine
1015 BOWLES AVENUE
Fenton, MO 63026
  • Reassigned Medicare billing, Missouri enrollment
  • 741 clinicians in this Medicare group
NPI 1275586174 (636) 496-2502
Vpa PC
8.6 mi
Family Medicine
8706 MANCHESTER RD STE 106
Saint Louis, MO 63144
  • Reassigned Medicare billing, Missouri enrollment
  • 61 clinicians in this Medicare group
NPI 1760706337 (314) 961-3570
Ssm Cardinal Glennon Childrens Hospital
11 mi
Pediatrics
2927 S . KINGS HIGHWAY BLVD
Saint Louis, MO 63139
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
  • 414 clinicians in this Medicare group
NPI 1073568226 (314) 268-4070
Impact Physician Group, Missouri, LLC
18 mi
Internal Medicine
12380 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 38 clinicians in this Medicare group
NPI 1962971531 (314) 447-9700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
127 services92 patients
Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
41 services20 patients
Emergency department visit for problem that may not require health care professional 99281
An Emergency Department visit for a mild problem involves seeking immediate medical attention for non-life-threatening conditions. These can include minor injuries, fevers, or persistent discomfort. Medical professionals will assess your condition, provide treatment, and may suggest follow-up care.
25 services15 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
16 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carl Callahan's NPI number?

The NPI number for Carl Callahan is 1750755849. It was assigned to this individual provider in the NPPES registry on November 30, 2015.

Where is Carl Callahan located?

Carl Callahan practices at 13131 Tesson Ferry Rd Ste 220, Saint Louis, MO 63128. The listed phone number is (314) 394-1379.

What is Carl Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carl Callahan enrolled in Medicare?

Yes. Carl Callahan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carl Callahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carl Callahan reassigns Medicare benefits to 4 organizations: Ssm Health Care St Louis (Fenton, MO), Vpa PC (Saint Louis, MO), Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO) and Impact Physician Group, Missouri, LLC (Bridgeton, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carl Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carl Callahan accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Carl Callahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Carl Callahan was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.