DR. JOHN LAWRENCE DAVIS DO
NPI 1083408736
Internal Medicine in Saint Louis, MO

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207R00000X.

Active since April 08, 2025PECOS Enrolled

621 S NEW BALLAS RD STE 3019B, SAINT LOUIS, MO 63141(314) 509-5305(314) 251-4454 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 25, 2025, Apr 8, 2025 (2 updates tracked since 2025).

Table of Contents

NPI Profile Information
Primary Taxonomy
Group Taxonomy
Medicare Participation & PECOS Status
Physician Visit Costs
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Internal Medicine
PECOS Enrolled

About JOHN DAVIS

This page provides the complete NPI Profile along with additional information for John Davis, an internist established in Saint Louis, Missouri with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1083408736 assigned on April 2025. The practitioner's primary taxonomy code is 207R00000X with license number 2025025153 (MO). The provider is registered as an individual and his NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI: 1083408736 Verify this NPI
Provider Name: DR. JOHN LAWRENCE DAVIS DO
Gender: Male
Entity Type: Individual
Location Address: 621 S NEW BALLAS RD STE 3019B SAINT LOUIS, MO 63141
Location Phone: (314) 509-5305
Location Fax: (314) 251-4454
Mailing Address: 621 S NEW BALLAS RD STE 3019B SAINT LOUIS, MO 63141
Mailing Phone: (314) 509-5305
Mailing Fax: (314) 251-4454
Is Sole Proprietor?: Yes
Enumeration Date: 04-08-2025
Last Update Date: 06-25-2025
Code Navigator

An internist like John Davis is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Internal Medicine
Taxonomy Code: 207R00000X
Type: Allopathic & Osteopathic Physicians
License No.: 2025025153
License State: MO
Taxonomy Description: 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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Medicare Participation & PECOS Enrollment Status

John Davis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 63141 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

Average New Patient Price $128.28
Minimum New Patient Price $55.65
Maximum New Patient Price $169.38

Average New Patient Copayment $32.07
Minimum New Patient Copayment $13.91
Maximum New Patient Copayment $42.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

Average Established Patient Price $98.37
Minimum Established Patient Price $17.76
Maximum Established Patient Price $137.92

Average Established Patient Copayment $24.59
Minimum Established Patient Copayment $4.44
Maximum Established Patient Copayment $34.48

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.