DR. WILLIAM CARL DYER JR. M.D.
NPI 1891764874
Orthopaedic Surgery in Chattanooga, TN

Q: What is William Dyer's NPI number?

The NPI number for William Dyer is 1891764874. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Q: What is William Dyer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for William Dyer was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since March 14, 2006PECOS EnrolledAccepts Medicare Assignment

1301 MCCALLIE AVE, CHATTANOOGA, TN 37404(423) 266-1808(423) 266-1800 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 25, 2025, Mar 7, 2023, Feb 8, 2021 (3 updates tracked since 2021).

On this page

About Dr. William Carl Dyer Jr. M.d. NPPES

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

DR. WILLIAM CARL DYER JR. M.D. (NPI 1891764874) is an individual orthopaedic surgery provider in Chattanooga, Tennessee, licensed in Tennessee (0000005404) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (1965).

NPPES Registry Identity

NPI1891764874

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. WILLIAM CARL DYER JR.Credential: M.D.

Location Address1301 MCCALLIE AVEChattanooga, TN 37404-2934

Mailing Address1604 Gunbarrel RdChattanooga, TN 37421-3125 · (423) 266-1808 · Fax (423) 266-1800

Phone(423) 266-1808

Fax(423) 266-1800

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 1965

Enumeration DateMarch 14, 2006

Last NPPES UpdateJune 25, 20253 updates tracked since enumeration

NPPES CertifiedJune 25, 2025

✔ NPI 1891764874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in TN · 0000005404

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

1301 MCCALLIE AVE, Chattanooga, TN 37404

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Other Identifiers 3

Other015248GA · Georgia State Liscense

Other2005642TN · Blue Cross Blue Shield

OtherMD0000005405TN · Liscense

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and more.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

Dr. William Carl Dyer Jr. M.d. 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 ID5991962938

PECOS Enrollment IDI20120203000049

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

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.

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.

48 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$66.01 typical visit price

range $16.72 – $131.41

Typical copayment $16.50 (range $4.18 – $32.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims11 services$215.60 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

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

INSIGHT HEALTH CORP

Physiological Laboratory

1301 MCCALLIE AVE, MOBILE UNIT
CHATTANOOGA, TN 37404

Hamilton County (423) 622-7221

BRUTUS ROLAND ROSE RT

Radiologic Technologist (Magnetic Resonance Imaging)

1301 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 622-7212

MRS. ANNA MEREDITH BELL ARNP

Nurse Practitioner (Family)

1301 MCCALLIE AVE, SUITE 200
CHATTANOOGA, TN 37404

Hamilton County (423) 710-3864

DR. MICHAEL TODD CZARNECKI MD

Internal Medicine (Pulmonary Disease)

1301 MCCALLIE AVE, SUITE 200
CHATTANOOGA, TN 37404

Hamilton County (423) 710-3864

MD TOTAL CARE, LLC

Internal Medicine (Pulmonary Disease)

1301 MCCALLIE AVE, SUITE 200
CHATTANOOGA, TN 37404

Hamilton County (423) 710-3864

INSIGHT HEALTH CORP

Physiological Laboratory

1301 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 622-7212

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 William Dyer's NPI number?

The NPI number for William Dyer is 1891764874. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is William Dyer located?

William Dyer practices at 1301 Mccallie Ave, Chattanooga, TN 37404. The listed phone number is (423) 266-1808.

What is William Dyer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is William Dyer enrolled in Medicare?

Yes. William Dyer 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 William Dyer accept?

Health plans from Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and Ambetter of Alabama and 3 other insurers list William Dyer 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 William Dyer was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.