Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL L. TAM M.D.
NPI 1477555910
Anesthesiology in Chicago, IL

Q: What is Michael Tam's NPI number?

The NPI number for Michael Tam is 1477555910. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Q: What is Michael Tam's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Tam was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.

Active since August 15, 2005PECOS Enrolled

85.73/100

CMS Quality Rating

2233 W DIVISION ST, ST MARY OF NAZARETH HOSPITAL / ANESTHESIA DEPARTMENT, CHICAGO, IL 60622(312) 770-2000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Michael L. Tam M.d. NPPES

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

MICHAEL L. TAM M.D. (NPI 1477555910) is an individual anesthesiology provider in Chicago, Illinois and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1999).

NPPES Registry Identity

NPI1477555910

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameMICHAEL L. TAMCredential: M.D.

Location Address2233 W DIVISION ST, ST MARY OF NAZARETH HOSPITAL / ANESTHESIA DEPARTMENTChicago, IL 60622-3043

Mailing Address520 E 22nd StLombard, IL 60148-6110 · (630) 874-2542 · Fax (630) 874-2642

Phone(312) 770-2000

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1999

Enumeration DateAugust 15, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1477555910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

2233 W DIVISION ST, Chicago, IL 60622

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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 L. Tam M.d. 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 ID6103890629

PECOS Enrollment IDI20040820001089

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 5

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.

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

35 services34 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

28 services28 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

21 services19 patients

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

14 services14 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Presence Saint Francis Hospital

Acute Care Hospitals · Evanston, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140080

Location355 Ridge AveEvanston, IL 60202 · Cook County

Emergency services

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140117

Location7435 W Talcott AvenueChicago, IL 60631 · Cook County

Emergency services Birthing friendly

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140180

Location2233 W Division StChicago, IL 60622 · Cook County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.73/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.85

Improvement Activities

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.

TOMASZ PIOTR LIS MD

Family Medicine

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (312) 770-2000

MELFA LAROZA

Physical Therapist

2233 W DIVISION ST, PHYSICAL THERAPY DEPARTMENT
CHICAGO, IL 60622

Cook County (312) 770-2000

SHEILA DESMOND O'NEILL PA-C

Physician Assistant

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (312) 770-2062

WORK & PILLAY SC

Psychiatry & Neurology (Psychiatry)

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (916) 342-7015

JASMINE SHAREEN AGYEI-POKU MD

Student in an Organized Health Care Education/Training Program

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (312) 770-2858

CHRISTINA VOLKENING MSN, CNM

Advanced Practice Midwife

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (312) 770-2000

MARIE L MALAZARTE

Physical Therapist

2233 W DIVISION ST, PHYSICAL THERAPY DEPT.
CHICAGO, IL 60622

Cook County (312) 770-2000

CHRISTINA SYKES-STANFIELD PMHNP

Nurse Practitioner (Psychiatric/Mental Health)

2233 W DIVISION ST
CHICAGO, IL 60622

Cook County (312) 770-2000

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 Tam's NPI number?

The NPI number for Michael Tam is 1477555910. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Michael Tam located?

Michael Tam practices at 2233 W Division St St Mary Of Nazareth Hospital / Anesthesia Department, Chicago, IL 60622. The listed phone number is (312) 770-2000.

What is Michael Tam's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Michael Tam enrolled in Medicare?

Yes. Michael Tam 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.

Is Michael Tam affiliated with any hospitals?

According to CMS data, Michael Tam is affiliated with Presence Saint Francis Hospital, Amita Health Resurrection Medical Center and Presence Saints Mary And Elizabeth Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Tam was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.