Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DONALD CLINTON WILLIS M.D.
NPI 1902870611
Obstetrics & Gynecology in Johnson City, TN

Q: What is Donald Willis's NPI number?

The NPI number for Donald Willis is 1902870611. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Q: What is Donald Willis's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Donald Willis was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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 February 17, 2006PECOS Enrolled

325 N STATE OF FRANKLIN RD FL 1, JOHNSON CITY, TN 37604(423) 439-7272(423) 439-7235 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2026, Sep 5, 2023, Apr 11, 2022 and 3 more (6 updates tracked since 2018).

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About Dr. Donald Clinton Willis M.d. NPPES

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

DR. DONALD CLINTON WILLIS M.D. (NPI 1902870611) is an individual obstetrics & gynecology provider in Johnson City, Tennessee, licensed in Florida (ME30920) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Memphis.

NPPES Registry Identity

NPI1902870611

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. DONALD CLINTON WILLISCredential: M.D.

Location Address325 N STATE OF FRANKLIN RD FL 1Johnson City, TN 37604

Mailing AddressPo Box 699Mountain Home, TN 37684-0699 · (423) 439-7272 · Fax (423) 439-7235

Phone(423) 439-7272

Fax(423) 439-7235

Sole ProprietorNo

Enumeration DateFebruary 17, 2006

Last NPPES UpdateSeptember 30, 20266 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2026

✔ NPI 1902870611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in FL · ME30920

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedObstetrics & Gynecology · Maternal & Fetal MedicineTaxonomy 207VM0101X · License MD57056 (TN)

325 N STATE OF FRANKLIN RD FL 1, Johnson City, TN 37604

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Secondary Practice Location 1

Location 1880 Madison AveMemphis, TN 38103-3409 · Phone (901) 515-3700 · Fax (901) 515-3509

Other Identifiers 1

Medicaid039811000FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Donald Clinton Willis M.d. 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

Medicare enrollment records show Donald Willis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Education Assistance Corporation

2.6 mi

Internal Medicine

101 MED TECH PKWY STE 306
Johnson City, TN 37604

Reassigned Medicare billing, Tennessee enrollment
341 clinicians in this Medicare group

NPI 1235180480 (423) 433-6039

Tallahassee Memorial Healthcare Inc

407 mi

Cardiovascular Disease

224 NW CRANE AVE
Madison, FL 32340

Reassigned Medicare billing, Florida enrollment
654 clinicians in this Medicare group

NPI 1306369657 (850) 973-2271

Ut Regional One Physicians Inc

437 mi

Surgery

877 JEFFERSON AVE
Memphis, TN 38103

Reassigned Medicare billing, Tennessee enrollment
421 clinicians in this Medicare group

NPI 1093130585 (901) 545-8336

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

$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

$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 20

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

MARTIN E. OLSEN M.D.

Obstetrics & Gynecology