DR. JOHN WILLIAM DAVIS MD PHD
NPI 1306689823
Internal Medicine in St. Louis, MO

Active since June 13, 2024PECOS Enrolled
1 BARNES JEWISH HOSPITAL PLAZA, ST. LOUIS, MO 63110(314) 747-3000 Get Directions Write a Review

NPPES record last updated: June 13, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John William Davis Md Phd NPPES

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

DR. JOHN WILLIAM DAVIS MD PHD (NPI 1306689823) is an individual internal medicine provider in St. Louis, Missouri, licensed in Missouri (2024022103) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306689823
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN WILLIAM DAVISCredential: MD PHD
Location Address1 BARNES JEWISH HOSPITAL PLAZASt. Louis, MO 63110
Mailing Address660 S Euclid Ave, Msc 8121-0022-07St. Louis, MO 63110 · (314) 368-7707
Sole ProprietorNo
Enumeration DateJune 13, 2024
NPPES CertifiedJune 13, 2024
NPI 1306689823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2024022103
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.

1 BARNES JEWISH HOSPITAL PLAZA, St. Louis, MO 63110

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. John William Davis Md Phd 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 11

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

Emergency Medicine
1 BARNES JEWISH HOSPITAL PLAZA
ST. LOUIS, MO 63110
General Acute Care Hospital
1 BARNES JEWISH HOSPITAL PLAZA, 90-23-402 VISION CENTER
ST LOUIS, MO 63110
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLAZA, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63110
Psychiatry & Neurology (Psychiatry)
1 BARNES JEWISH HOSPITAL PLAZA
SAINT LOUIS, MO 63110
Emergency Medicine
1 BARNES JEWISH HOSPITAL PLAZA, DEPT OF ANESTHESIOLOGY
ST. LOUIS, MO 63110
Oral & Maxillofacial Surgery
1 BARNES JEWISH HOSPITAL PLAZA, SUITE 203
ST LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLAZA, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63110
Student in an Organized Health Care Education/Training Program
1 BARNES JEWISH HOSPITAL PLAZA, IM DIVISION OF NEPHROLOGY
ST. LOUIS, MO 63110

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 John Davis's NPI number?

The NPI number for John Davis is 1306689823. It was assigned to this individual provider in the NPPES registry on June 13, 2024.

Where is John Davis located?

John Davis practices at 1 Barnes Jewish Hospital Plaza, St. Louis, MO 63110. The listed phone number is (314) 747-3000.

What is John Davis's specialty?

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

Is John Davis enrolled in Medicare?

Yes. John Davis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Davis was last updated on June 13, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.