DR. WILLIAM RAY BARTLEY (MD) – Internal Medicine Physician, NPI 1134112097

DR. WILLIAM RAY BARTLEY (MD) is a healthcare provider. based in Alton, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 036-071248 (IL). The NPI Number for DR. WILLIAM RAY BARTLEY (MD) is 1134112097

Main info

Male
51 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM RAY BARTLEY (MD)
NPI
1134112097
Phone
(618) 463-8626
Address
1 PROFESSIONAL DR
Enumeration Date
25 August 2005
Last Update Date
19 September 2025

Doctor Profile

Medical School Name
MEHARRY MEDICAL COLLEGE SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1975 (51 years ago)
PAC ID
7012811987
Group Practice PAC ID
6800784083
Professional Enrollment ID
I20040717000055
Address ID
IL620025068AL1XXXXDRXX300

Contacts

FHIR Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness95
Years active:20State licenses:1Other names

8,824 INTERNAL MEDICINE in IL

Provider Addresses for DR. WILLIAM RAY BARTLEY (MD)

  • 1 PROFESSIONAL DR

    SUITE 220

    ALTON, IL 620025068

    Phone: (618) 463-8626

    Fax: (618) 463-8688

    Type: Mailing

  • 660 MASON RIDGE CENTER DR STE 300

    SAINT LOUIS, MO 631418512

    Phone: (314) 448-3791

    Fax: (314) 996-7658

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 18 Open Payments records for all available years, with a total value of $543.

Total Amount is formed as General ($543) + Research ($0) + Ownership ($0) = $543.

Last reported payment date: 2024-12-02 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($216).

Total Amount

$543

General + Research + Ownership

Payments

18

Total payment records

General Amount

$543

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-02

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-07-17

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040717000055IInternal MedicineILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes313172$0
36415Insertion of needle into vein for collection of blood sample256147$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit149149$0
99213Established patient office or other outpatient visit, 20-29 minutes147104$0
G0008Administration of influenza virus vaccine4847$0
View full utilization report →

Insurance plans in this area (ZIP 62002)

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Provider's Procedures

DR. WILLIAM RAY BARTLEY (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEIL83036Hemoglobin A1C level7972

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6800784083View full group profile
NameSpecialtyState
Nurse PractitionerIL
Nurse PractitionerIL
Physician AssistantIL
Family PracticeIL
-MO
O B S T E T R I C S/ G Y N E C O L O G YMO
G A S T R O E N T E R O L O G YGA
Physician AssistantIL
-MO
Gastroenterology, Gastroenterology, Internal MedicineOH

Reviews

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Frequently asked questions

Does DR. WILLIAM RAY BARTLEY (MD) have a public NPI I can cite?
Public records show DR. WILLIAM RAY BARTLEY (MD) under NPI 1134112097.
Quick check: is DR. WILLIAM RAY BARTLEY (MD) active?
Public NPPES data shows DR. WILLIAM RAY BARTLEY (MD) with an active NPI status right now.
How should patients interpret DR. WILLIAM RAY BARTLEY (MD)'s specialty?
The extract shows Internal Medicine Physician for DR. WILLIAM RAY BARTLEY (MD). Clinical services aligned with this taxonomy classification.
Which community is linked to DR. WILLIAM RAY BARTLEY (MD)?
DR. WILLIAM RAY BARTLEY (MD) shows a connection to Alton, Illinois in registry-derived data.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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