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Active NPI 1134112097 Individual Practitioner Male Practitioner

Dr. William Ray Bartley , MD

Internal Medicine • Alton, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Bartley, MD is a certified Internal Medicine practicing in Alton, IL. With approximately 51 years of clinical experience since graduating from Meharry Medical College School Of Medicine in 1975, Dr. Bartley delivers high-quality medical care to the local community at 1 PROFESSIONAL DR.

Dr. Bartley is affiliated with Fairview Heights Medical Group Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Professional Dr
Suite 220

Alton, IL 620025068

Telephone 6184638626
Fax 6184638688
Associated Practice Facility / Clinic
🏢 Alton Multispecialists, Ltd. Facility NPI 1942312442

Medicare Profile & Education

Medical School

Meharry Medical College School Of Medicine

Graduation Year

1975

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Alton, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
51 Yrs +10.9 yrs vs City Avg
City Avg: 40.1 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
24 Specialists

Practicing in Alton, IL (7544 Statewide)

Telehealth Adoption Rate
16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
44.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bartley (51 Years) 51 Yrs
Alton Specialty Average (40.1 Years) 40.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
275 173 $229.68 $123.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
165 165 $222.00 $125.63
99213 Established patient office or other outpatient visit, typically 15 minutes
93 72 $187.00 $87.73
36415 Insertion of needle into vein for collection of blood sample
68 55 $15.00 $8.65
G0008 Administration of influenza virus vaccine
58 57 $81.43 $31.79
90662 Influenza vaccine split virus, preservative free
55 54 $88.00 $81.64
99495 Transitional care management services for problem of at least moderate complexity
14 14 $364.00 $199.30

Medical Specialties & State Licenses

CMS Verified: 2025-09-19
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-071248

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.

Hospital & Practice Group Affiliations

Fairview Heights Medical Group Sc

1 Memorial Dr, Alton, IL 620026722

Phone: 6184637240

Fairview Heights Medical Group Sc

1 Professional Dr, Alton, IL 620025068

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners
Dr. Tariq Quadri , MD

Internal Medicine

NPI 1275525271

Doctor of Medicine (M.D.)

NPI 1346233285

Doctor of Medicine (M.D.)

Dr. Erik Stabell , MD

Internal Medicine

NPI 1609868108

Doctor of Medicine (M.D.)

Dr. Kristen Stabell , MD

Internal Medicine

NPI 1689667529

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
📍
Updated Business Mailing Address April 11, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144483791)

NPI Profile Active February 21, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location February 21, 2012

Registered at 1 PROFESSIONAL DR, SUITE 220, ALTON, IL 620025068 (Tel: 6184638626)

📍
Updated Business Mailing Address February 21, 2012

Registered at 1 PROFESSIONAL DR, SUITE 220, ALTON, IL 620025068 (Tel: 6184638626)

👤
Provider Name / Credentials Updated February 21, 2012

Recorded as WILLIAM BARTLEY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 21, 2012

Internal Medicine (License #036-071248 in IL)

🟢
Initial NPI Registration & Enumeration August 25, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1134112097
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 25, 2005
Last Update: September 19, 2025
Sole Proprietor: No

Mailing Address

660 Mason Ridge Center Dr Ste 300

Saint Louis, MO 631418512

Phone: 3144483791

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.