DR. WILLIAM MERRICK SANDERS (MD) – Pulmonary Disease Physician, NPI 1164426599

DR. WILLIAM MERRICK SANDERS (MD) is a healthcare provider. based in Chicago, Illinois. specializing in CRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE. They hold the professional credentials MD. They hold a License No. 36090670 (IL). The NPI Number for DR. WILLIAM MERRICK SANDERS (MD) is 1164426599

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM MERRICK SANDERS (MD)
NPI
1164426599
Phone
(773) 935-5556
Address
2800 N SHERIDAN RD
Enumeration Date
13 June 2005
Last Update Date
23 December 2021

Doctor Profile

Medical School Name
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1992 (34 years ago)
PAC ID
4789725979
Group Practice PAC ID
2860396769
Professional Enrollment ID
I20100111000285
Address ID
IL606577227CH331XXSTXX400

Contacts

Secure Messaging
sublung@380.direct.myezyaccess.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

955 CRITICAL CARE (INTENSIVISTS) in IL

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Provider Addresses for DR. WILLIAM MERRICK SANDERS (MD)

  • Howard Brown Health Diversey, 2800, North Sheridan Road, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60657, United States

    STE 301

    CHICAGO, IL 606576158

    Phone: (773) 935-5556

    Fax: (773) 935-2724

    Type: Mailing

  • 2845 N SHERIDAN RD

    STE 710

    CHICAGO, IL 606577227

    Phone: (773) 935-5556

    Fax: (773) 935-2724

    Type: Location

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 $588.

Total Amount is formed as General ($588) + Research ($0) + Ownership ($0) = $588.

Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Baxter Healthcare ($178).

Total Amount

$588

General + Research + Ownership

Payments

18

Total payment records

General Amount

$588

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-10

Latest reported date

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: 2010-01-11

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
I20100111000285IPulmonary DiseaseILTBD

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
99291Critical care, first 30-74 minutes359142$0
99214Established patient office or other outpatient visit, 30-39 minutes201105$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes17140$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes13347$0
94010Test to measure expiratory airflow and volume7160$0
View full utilization report →

Insurance plans in this area (ZIP 60657)

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Provider's Procedures

DR. WILLIAM MERRICK SANDERS (MD) performs procedures in CRITICAL CARE (INTENSIVISTS). See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASEIL94727Determination of lung volumes using gas dilution or washout6967

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: 2860396769View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. WILLIAM MERRICK SANDERS (MD)?
DR. WILLIAM MERRICK SANDERS (MD) — NPI 1164426599 — is the standard way to identify this listing.
Is DR. WILLIAM MERRICK SANDERS (MD) still practicing?
DR. WILLIAM MERRICK SANDERS (MD) is currently listed as active in the public NPI registry.
What is DR. WILLIAM MERRICK SANDERS (MD)'s primary classification?
Pulmonary Disease Physician is the headline specialty for DR. WILLIAM MERRICK SANDERS (MD) here. Clinical services aligned with this taxonomy classification.
Does DR. WILLIAM MERRICK SANDERS (MD) list a practice location?
Patients near Chicago, Illinois may find DR. WILLIAM MERRICK SANDERS (MD) in results; validate coverage separately.
How many locations tie to this NPI?
4 practice locations appear in the available data.

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