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DR. WILLIAM R BASTNAGEL MD
NPI 1558328161
Internal Medicine - Nephrology in Memphis, TN

Active since April 27, 2006PECOS Enrolled
1910 NONCONNAH BLVD, SUITE 120, MEMPHIS, TN 38132(901) 448-2300(901) 448-6657 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. William R Bastnagel Md NPPES

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

DR. WILLIAM R BASTNAGEL MD (NPI 1558328161) is an individual nephrology provider in Memphis, Tennessee, licensed in Tennessee (15168) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558328161
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WILLIAM R BASTNAGELCredential: MD
Location Address1910 NONCONNAH BLVD, SUITE 120Memphis, TN 38132-2113
Mailing Address66 N Pauline St, Suite 206Memphis, TN 38105-5105 · (901) 448-7642 · Fax (901) 448-8015
Phone(901) 448-2300
Fax(901) 448-6657
Sole ProprietorNo
Enumeration DateApril 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1558328161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TN · 15168
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1910 NONCONNAH BLVD, Memphis, TN 38132
Open in Google Maps ↗

Other Identifiers 1

Medicaid3021754TN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William R Bastnagel Md 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

6

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

Methodist South Emergency Physicians, PLLC
3.0 mi
Emergency Medicine
1300 WESLEY DR
Memphis, TN 38116
  • Reassigned Medicare billing, Tennessee enrollment
  • 252 clinicians in this Medicare group
NPI 1609657873 (901) 516-3700
Methodist University Emergency Physicians PLLC
4.6 mi
Emergency Medicine
1265 UNION AVE
Memphis, TN 38104
  • Reassigned Medicare billing, Tennessee enrollment
  • 253 clinicians in this Medicare group
NPI 1023899291 (901) 516-7000
Germantown Emergency Physicians, PLLC
11 mi
Emergency Medicine
7691 POPLAR AVE
Germantown, TN 38138
  • Reassigned Medicare billing, Tennessee enrollment
  • 251 clinicians in this Medicare group
NPI 1518747526 (901) 516-6000
Methodist North Emergency Physicians, PLLC
13 mi
Emergency Medicine
3960 NEW COVINGTON PIKE
Memphis, TN 38128
  • Reassigned Medicare billing, Tennessee enrollment
  • 250 clinicians in this Medicare group
NPI 1801677083 (901) 516-5200
T M Carr MD PC
76 mi
Emergency Medicine
400 E TICKLE ST
Dyersburg, TN 38024
  • Reassigned Medicare billing, Tennessee enrollment
  • 256 clinicians in this Medicare group
NPI 1992706097 (731) 285-2410
Carr PLLC
191 mi
Emergency Medicine
5410 MARYLAND WAY STE 300
Brentwood, TN 37027
  • Reassigned Medicare billing, Tennessee enrollment
  • 208 clinicians in this Medicare group
NPI 1548677610 (615) 377-5593

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 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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
128 services125 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
59 services56 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.
54 services54 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38132 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.

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.

DR. JOEL R SLADE MD
Anesthesiology
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. JAMES B LEWIS MD
Internal Medicine
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
MRS. JAMIE D HARFORD N.P.
Registered Nurse (Neonatal Intensive Care)
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. SANTIAGO VERA MD
Transplant Surgery
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. ROBERT C KORES PHD
Psychologist
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. JOHN P DEVINCENZO MD
Pediatrics (Pediatric Infectious Diseases)
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. MAUREEN POH MD
Dermatology
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300
DR. ROBERT B SKINNER MD
Dermatology
1910 NONCONNAH BLVD, SUITE 120
MEMPHIS, TN 38132
Shelby County (901) 448-2300

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 Bastnagel's NPI number?

The NPI number for William Bastnagel is 1558328161. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is William Bastnagel located?

William Bastnagel practices at 1910 Nonconnah Blvd Suite 120, Memphis, TN 38132. The listed phone number is (901) 448-2300.

What is William Bastnagel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is William Bastnagel enrolled in Medicare?

Yes. William Bastnagel is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Bastnagel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Bastnagel reassigns Medicare benefits to 6 organizations: Methodist South Emergency Physicians, PLLC (Memphis, TN), Methodist University Emergency Physicians PLLC (Memphis, TN), Germantown Emergency Physicians, PLLC (Germantown, TN), Methodist North Emergency Physicians, PLLC (Memphis, TN), T M Carr MD PC (Dyersburg, TN) 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 Bastnagel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Bastnagel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.