ALFRED SAMUEL CALLAHAN III MD
NPI 1649206715
Psychiatry & Neurology - Neurology in Nashville, TN

Active since June 23, 2006PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
2000 GLEN ECHO RD, STE 122, NASHVILLE, TN 37215(615) 297-5300(615) 297-5301 Get Directions Write a Review

NPPES record last updated: February 20, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Alfred Samuel Callahan Iii Md NPPES

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

ALFRED SAMUEL CALLAHAN III MD (NPI 1649206715) is an individual neurology provider in Nashville, Tennessee, licensed in Tennessee (MD009933) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of Vanderbilt University School Of Medicine (1975).

NPPES Registry Identity

NPI1649206715
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameALFRED SAMUEL CALLAHAN IIICredential: MD
Location Address2000 GLEN ECHO RD, STE 122Nashville, TN 37215-2857
Mailing Address2000 Glen Echo Rd, Ste 122Nashville, TN 37215-2857 · (615) 297-5300 · Fax (615) 297-5301
Fax(615) 297-5301
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 1975
Enumeration DateJune 23, 2006
Last NPPES UpdateFebruary 20, 2008
NPI 1649206715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in TN · MD009933
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
2000 GLEN ECHO RD, Nashville, TN 37215

Other Identifiers 5

Other64772494KY · Unisys
Medicaid3187893TN
Other7024KY · Medicare
Medicare UPINB59479
Medicare PIN3001124TN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alfred Samuel Callahan Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032014055
PECOS Enrollment IDI20080123000510
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.

Areas of Expertise CMS Part B claims 3

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.

Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
656 services625 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
529 services479 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
191 services191 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37215 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
2000 GLEN ECHO RD
NASHVILLE, TN 37215
Psychiatry & Neurology (Neurology)
2000 GLEN ECHO RD, SUITE 122
NASHVILLE, TN 37215
Counselor (Professional)
2000 GLEN ECHO RD
NASHVILLE, TN 37215
Clinical Medical Laboratory
2000 GLEN ECHO RD
NASHVILLE, TN 37215
Social Worker (Clinical)
2000 GLEN ECHO RD
NASHVILLE, TN 37215
Physical Therapist
2000 GLEN ECHO RD, SUITE 209
NASHVILLE, TN 37215
Social Worker (Clinical)
2000 GLEN ECHO RD
NASHVILLE, TN 37215
Specialist/Technologist, Other (Surgical Assistant)
2000 GLEN ECHO RD
NASHVILLE, TN 37215

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 Alfred Callahan's NPI number?

The NPI number for Alfred Callahan is 1649206715. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Alfred Callahan located?

Alfred Callahan practices at 2000 Glen Echo Rd Ste 122, Nashville, TN 37215. The listed phone number is (615) 297-5300.

What is Alfred Callahan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Alfred Callahan enrolled in Medicare?

Yes. Alfred Callahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alfred Callahan accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Alfred 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.

Is Alfred Callahan affiliated with any hospitals?

According to CMS data, Alfred Callahan is affiliated with Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Alfred Callahan was last updated on February 20, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.