DR. WILLIAM DENNEY ZIMMERMAN D.O.
NPI 1275997124
Psychiatry & Neurology - Neurocritical Care in Maryville, TN

Q: What is William Zimmerman's NPI number?

The NPI number for William Zimmerman is 1275997124. It was assigned to this individual provider in the NPPES registry on April 7, 2016.

Q: What is William Zimmerman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Q: When was this NPI record last updated?

The NPPES record for William Zimmerman was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 April 07, 2016PECOS EnrolledAccepts Medicare Assignment

463 BMH PHYSICIANS OFFICE BLDG, MARYVILLE, TN 37804(865) 980-5100(865) 980-5105 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 4, 2025, Aug 21, 2023 (2 updates tracked since 2023).

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About Dr. William Denney Zimmerman D.o. NPPES

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

DR. WILLIAM DENNEY ZIMMERMAN D.O. (NPI 1275997124) is an individual neurocritical care provider in Maryville, Tennessee, licensed in Tennessee (5485) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Blount Memorial Hospital, and maintains a secondary practice location in Maryville.

NPPES Registry Identity

NPI1275997124

Entity TypeIndividualMale

Primary Taxonomy2084A2900X

Provider Legal NameDR. WILLIAM DENNEY ZIMMERMANCredential: D.O.

Location Address463 BMH PHYSICIANS OFFICE BLDGMaryville, TN 37804-5807

Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842

Phone(865) 980-5100

Fax(865) 980-5105

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 7, 2016

Last NPPES UpdateNovember 4, 20252 updates tracked since enumeration

NPPES CertifiedNovember 4, 2025

✔ NPI 1275997124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians

Taxonomy Code2084A2900X

License✔ Licensed in TN · 5485

Definition

The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 5485 (TN)

463 BMH PHYSICIANS OFFICE BLDG, Maryville, TN 37804

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Secondary Practice Location 1

Location 1907 E Lamar Alexander PkwyMaryville, TN 37804-5015 · Phone (865) 980-5100 · Fax (865) 980-5105

Other Identifiers 1

MedicaidQ089543TN

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 Denney Zimmerman D.o. 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 ID1052730199

PECOS Enrollment IDI20240223003474

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 2

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

146 services63 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

101 services42 patients

Hospital Affiliations CMS Care Compare

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

Blount Memorial Hospital

Acute Care Hospitals · Maryville, TN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number440011

Location907 E Lamar Alexander ParkwayMaryville, TN 37804 · Blount County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 12

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

CLAUDIA C GAMMON FNP-BC

Nurse Practitioner (Family)