DR. PRESTON WALKER WILLIAMS MD
NPI 1245816123
Internal Medicine in Columbus, OH

Active since March 22, 2021PECOS EnrolledAccepts Medicare Assignment
543 TAYLOR AVE, COLUMBUS, OH 43203(614) 293-5123(614) 293-4890 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 19, 2024, Mar 22, 2021 (2 updates tracked since 2021).

About Dr. Preston Walker Williams Md NPPES

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

DR. PRESTON WALKER WILLIAMS MD (NPI 1245816123) is an individual internal medicine provider in Columbus, Ohio, licensed in Ohio (35.150615) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and maintains a secondary practice location in Cambridge.

NPPES Registry Identity

NPI1245816123
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. PRESTON WALKER WILLIAMSCredential: MD
Location Address543 TAYLOR AVEColumbus, OH 43203-1278
Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-5123
Fax(614) 293-4890
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2021
Enumeration DateMarch 22, 2021
Last NPPES UpdateAugust 25, 20252 updates tracked since enumeration
NPPES CertifiedAugust 25, 2025
NPI 1245816123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OH · 35.150615
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
543 TAYLOR AVE, Columbus, OH 43203

Secondary Practice Location 1

Location 11493 Cambridge StCambridge, MA 02139-1047 · Phone (617) 665-1000

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

Dr. Preston Walker Williams Md 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 ID9830598317
PECOS Enrollment IDI20240912000339
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.

Hospital Affiliations CMS Care Compare

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

Ohio State University State Health System

Acute Care Hospitals · Columbus, OH
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360085
Location410 West 10th AvenueColumbus, OH 43210 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43203 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Internal Medicine
543 TAYLOR AVE
COLUMBUS, OH 43203
Nurse Practitioner (Family)
543 TAYLOR AVE
COLUMBUS, OH 43203
Internal Medicine (Nephrology)
543 TAYLOR AVE
COLUMBUS, OH 43203
Neurological Surgery
543 TAYLOR AVE
COLUMBUS, OH 43203
Family Medicine
543 TAYLOR AVE
COLUMBUS, OH 43203
Internal Medicine
543 TAYLOR AVE
COLUMBUS, OH 43203
General Acute Care Hospital
543 TAYLOR AVE
COLUMBUS, OH 43203
Orthopaedic Surgery
543 TAYLOR AVE, FIRST FLOOR
COLUMBUS, OH 43203

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 Preston Williams's NPI number?

The NPI number for Preston Williams is 1245816123. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Preston Williams located?

Preston Williams practices at 543 Taylor Ave, Columbus, OH 43203. The listed phone number is (614) 293-5123.

What is Preston Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Preston Williams enrolled in Medicare?

Yes. Preston Williams 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 Preston Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and CareSource and 1 other insurer list Preston Williams 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 Preston Williams affiliated with any hospitals?

According to CMS data, Preston Williams is affiliated with Ohio State University State Health System.

When was this NPI record last updated?

The NPPES record for Preston Williams was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.