MR. WILLIAM RANDY PARNELL II
NPI 1669239422
Physician Assistant in Johnson City, TN

Active since February 28, 2024PECOS EnrolledAccepts Medicare Assignment
400 N STATE OF FRANKLIN RD RM 2746, JOHNSON CITY, TN 37604(423) 431-6111 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 6, 2026, Jul 29, 2024 (2 updates tracked since 2024).

About Mr. William Randy Parnell Ii NPPES

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

MR. WILLIAM RANDY PARNELL II (NPI 1669239422) is an individual physician assistant in Johnson City, Tennessee, licensed in Tennessee (6034) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS, is affiliated with Johnson City Medical Center, and maintains a secondary practice location in Greeneville.

NPPES Registry Identity

NPI1669239422
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. WILLIAM RANDY PARNELL II
Location Address400 N STATE OF FRANKLIN RD RM 2746Johnson City, TN 37604-6035
Mailing Address1021 W Oakland Ave Ste 310Johnson City, TN 37604-2192 · (423) 952-2111 · Fax (423) 282-1657
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateFebruary 28, 2024
Last NPPES UpdateMay 6, 20262 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
NPI 1669239422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in TN · 6034
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 6034 (TN)
400 N STATE OF FRANKLIN RD RM 2746, Johnson City, TN 37604

Secondary Practice Location 1

Location 11420 Tusculum BlvdGreeneville, TN 37745-4279 · Phone (423) 787-5000

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

Mr. William Randy Parnell Ii 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 ID5991244352
PECOS Enrollment IDI20240829000539
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.

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.
30 services30 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.
18 services16 patients

Hospital Affiliations CMS Care Compare

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

Johnson City Medical Center

Acute Care Hospitals · Johnson City, TN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440063
Location400 N State Of Franklin RdJohnson City, TN 37604 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37604 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.

Other Providers at the Same Location NPPES 10

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

Internal Medicine (Critical Care Medicine)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Internal Medicine (Pulmonary Disease)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Surgery (Surgical Critical Care)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Internal Medicine (Critical Care Medicine)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Nurse Practitioner (Acute Care)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Internal Medicine
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Internal Medicine (Critical Care Medicine)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604
Nurse Practitioner (Family)
400 N STATE OF FRANKLIN RD RM 2746
JOHNSON CITY, TN 37604

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 Parnell's NPI number?

The NPI number for William Parnell is 1669239422. It was assigned to this individual provider in the NPPES registry on February 28, 2024.

Where is William Parnell located?

William Parnell practices at 400 N State Of Franklin Rd Rm 2746, Johnson City, TN 37604. The listed phone number is (423) 431-6111.

What is William Parnell's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is William Parnell enrolled in Medicare?

Yes. William Parnell 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 Parnell accept?

Health plans from Oscar Insurance Company list William Parnell 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 Parnell affiliated with any hospitals?

According to CMS data, William Parnell is affiliated with Johnson City Medical Center.

When was this NPI record last updated?

The NPPES record for William Parnell was last updated on May 6, 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.