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MICHAEL J WILLIAMSON D.O.
NPI 1366581209
Internal Medicine - Hematology & Oncology in Richmond, IN

Active since February 06, 2007PECOS EnrolledAccepts Medicare Assignment
1100 REID PKWY, REID HOSPITAL & HEALTH CARE SERVICES, RICHMOND, IN 47374(765) 935-8773(765) 935-8774 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 19, 2021, Dec 2, 2020, Sep 14, 2020 and 2 more (5 updates tracked since 2020).

About Michael J Williamson D.o. NPPES

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

MICHAEL J WILLIAMSON D.O. (NPI 1366581209) is an individual hematology & oncology provider in Richmond, Indiana, licensed in Indiana (02002568A) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Lutheran Hospital Of Indiana, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1366581209
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameMICHAEL J WILLIAMSONCredential: D.O.
Location Address1100 REID PKWY, REID HOSPITAL & HEALTH CARE SERVICESRichmond, IN 47374-1157
Mailing Address1100 Reid Pkwy, Reid Hospital & Health Care ServicesRichmond, IN 47374-1157 · (765) 935-8773 · Fax (765) 935-8774
Phone(765) 935-8773
Fax(765) 935-8774
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateFebruary 6, 2007
Last NPPES UpdateMay 19, 20215 updates tracked since enumeration
NPPES CertifiedMay 19, 2021
✔ NPI 1366581209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in IN · 02002568A
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 02002568A (IN)
1100 REID PKWY, Richmond, IN 47374
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Other Identifiers 3

Medicaid200469280IN
OtherP00411731IN · Medicare B-railroad
OtherP01014252IN · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.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

Michael J Williamson D.o. 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 ID1759353550
PECOS Enrollment IDI20040811001131
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.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
345 services68 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
231 services142 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
146 services89 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
91 services37 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
21 services21 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Lutheran Hospital Of Indiana

Acute Care Hospitals · Fort Wayne, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150017
Location7950 W Jefferson BlvdFort Wayne, IN 46804 · Allen County
Emergency services Birthing friendly

Henry County Memorial Hospital

Acute Care Hospitals · New Castle, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150030
Location1000 N 16th StNew Castle, IN 47362 · Henry County
Emergency services Birthing friendly

Reid Health

Acute Care Hospitals · Richmond, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150048
Location1100 Reid PkwyRichmond, IN 47374 · Wayne County
Emergency services Birthing friendly

Indiana University Health Ball Memorial Hospital

Acute Care Hospitals · Muncie, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150089
Location2401 University AveMuncie, IN 47303 · Delaware County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47374 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

JUSTIN VARGHESE
Internal Medicine
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3000
MALLORY J CROSS PA
Student in an Organized Health Care Education/Training Program
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3000
DR. JOHN E MCGINTY IV M.D.
Internal Medicine (Cardiovascular Disease)
1100 REID PKWY, SUITE 210
RICHMOND, IN 47374
Wayne County (765) 962-1337
THOMAS P. GLYNN JR. M.D.
Radiology (Diagnostic Radiology)
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3000
SADIA KHAN MD
Student in an Organized Health Care Education/Training Program
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3822
DR. TYLER BROOKS FREDENBURG MD
Radiology (Diagnostic Radiology)
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3164
AHMAD S KHATRI MD
Family Medicine
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3492
SHARON SMITH LAT, ATC
Specialist/Technologist (Athletic Trainer)
1100 REID PKWY
RICHMOND, IN 47374
Wayne County (765) 983-3000

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 Michael Williamson's NPI number?

The NPI number for Michael Williamson is 1366581209. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Michael Williamson located?

Michael Williamson practices at 1100 Reid Pkwy Reid Hospital & Health Care Services, Richmond, IN 47374. The listed phone number is (765) 935-8773.

What is Michael Williamson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Michael Williamson enrolled in Medicare?

Yes. Michael Williamson 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 Michael Williamson accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Michael Williamson 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 Michael Williamson affiliated with any hospitals?

According to CMS data, Michael Williamson is affiliated with Lutheran Hospital Of Indiana, Henry County Memorial Hospital, Reid Health and Indiana University Health Ball Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Williamson was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.