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DR. WILLIAM CROSS DUDNEY IV M.D.
NPI 1902199375
Anesthesiology in Nashville, TN

Active since May 18, 2011PECOS EnrolledAccepts Medicare Assignment
1211 21ST AVE S, NASHVILLE, TN 37212(615) 936-1830(615) 936-3412 Get Directions Write a Review

NPPES record last updated: August 18, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. William Cross Dudney Iv M.d. NPPES

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

DR. WILLIAM CROSS DUDNEY IV M.D. (NPI 1902199375) is an individual anesthesiology provider in Nashville, Tennessee, licensed in Florida (ME122815) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1902199375
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WILLIAM CROSS DUDNEY IVCredential: M.D.
Location Address1211 21ST AVE SNashville, TN 37212-2717
Mailing Address2146 Belcourt AveNashville, TN 37212-3504 · (813) 433-8911
Phone(615) 936-1830
Fax(615) 936-3412
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMay 18, 2011
Last NPPES UpdateAugust 18, 2015
✔ NPI 1902199375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME122815
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1211 21ST AVE S, Nashville, TN 37212
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Cross Dudney Iv 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 ID9436467669
PECOS Enrollment IDI20151007002110
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

6

Medicare enrollment records show William Dudney reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ams Anesthetist Services LLC
396 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 270 clinicians in this Medicare group
NPI 1770834426 (866) 653-2540
Ams Baptist LLC
396 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 183 clinicians in this Medicare group
NPI 1093020216 (866) 653-2540
Ams Of Gulf Breeze LLC
396 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 177 clinicians in this Medicare group
NPI 1376812032 (866) 653-2540
Gulf-To-Bay Anesthesiology Associates LLC
601 mi
Anesthesiology
13100 FORT KING RD
Dade City, FL 33525
  • Reassigned Medicare billing, Florida enrollment
  • 1,287 clinicians in this Medicare group
NPI 1982932562 (813) 844-4434
Sunshine State Anesthesia Partners LLC
645 mi
Anesthesiology
2020 59TH ST W
Bradenton, FL 34209
  • Reassigned Medicare billing, Florida enrollment
  • 792 clinicians in this Medicare group
NPI 1437757127 (888) 276-1910
Capital Anesthesia Solutions Of Florida II, LLC
747 mi
Anesthesiology
6101 PINE RIDGE RD
Naples, FL 34119
  • Reassigned Medicare billing, Florida enrollment
  • 767 clinicians in this Medicare group
NPI 1891318481 (239) 348-4000

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 8

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
62 services61 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
33 services33 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
29 services28 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
27 services26 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
17 services16 patients
Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Sacred Heart Hospital

Acute Care Hospitals · Pensacola, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100025
Location5151 N 9th AvePensacola, FL 32504 · Escambia County
Emergency services Birthing friendly

Baptist Hospital

Acute Care Hospitals · Pensacola, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100093
Location123 Baptist WayPensacola, FL 32503 · Escambia County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

RACHEL ANN ALCORTA ACNP
Nurse Practitioner (Acute Care)
1211 21ST AVE S, 404 MEDICAL ARTS BUILDING
NASHVILLE, TN 37212
Davidson County (615) 936-0175
KRISTIN M WERKING RN, MSN, ACNP-BC
Nurse Practitioner (Acute Care)
1211 21ST AVE S, 404 MAB
NASHVILLE, TN 37212
Davidson County (615) 936-6654
DR. SHEENA MARIE WEAVER MD
Anesthesiology (Critical Care Medicine)
1211 21ST AVE S, MAB SUITE 526
NASHVILLE, TN 37212
Davidson County (615) 343-6268
KEENA J ANDREWS MS, RD, CSP, LDN
Dietitian, Registered
1211 21ST AVE S
NASHVILLE, TN 37212
Davidson County (615) 483-7330
ALEXANDRIA SPIDALIERI M.ED, BCBA
Behavior Analyst
1211 21ST AVE S, MAB SUITE 110
NASHVILLE, TN 37212
Davidson County (615) 875-9713
CANDANCE AUTUMN ALEXANDER APN
Nurse Practitioner (Family)
1211 21ST AVE S, MEDICAL ARTS BUILDING, SUITE 114
NASHVILLE, TN 37212
Davidson County (615) 936-1966
MRS. BETHANY LAUREN EVANS RN, MSN, ACNP-BC
Nurse Practitioner (Acute Care)
1211 21ST AVE S, 404 MAB
NASHVILLE, TN 37212
Davidson County (615) 936-6654
MS. EVAN CAMPA M.ED., BCBA
Behavior Analyst
1211 21ST AVE S, SUITE 110
NASHVILLE, TN 37212
Davidson County (615) 343-4275

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 Dudney's NPI number?

The NPI number for William Dudney is 1902199375. It was assigned to this individual provider in the NPPES registry on May 18, 2011.

Where is William Dudney located?

William Dudney practices at 1211 21st Ave S, Nashville, TN 37212. The listed phone number is (615) 936-1830.

What is William Dudney's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Dudney enrolled in Medicare?

Yes. William Dudney 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.

Which organizations bill Medicare for William Dudney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Dudney reassigns Medicare benefits to 6 organizations: Ams Anesthetist Services LLC (Pensacola, FL), Ams Baptist LLC (Pensacola, FL), Ams Of Gulf Breeze LLC (Pensacola, FL), Gulf-To-Bay Anesthesiology Associates LLC (Dade City, FL), Sunshine State Anesthesia Partners LLC (Bradenton, FL) and 1 more organization, listed in the Medicare section above. 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 William Dudney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Dudney accept?

Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list William Dudney 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 William Dudney affiliated with any hospitals?

According to CMS data, William Dudney is affiliated with Sacred Heart Hospital and Baptist Hospital.

When was this NPI record last updated?

The NPPES record for William Dudney was last updated on August 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.