MARIA TERESA TAM MD
NPI 1003843517
Obstetrics & Gynecology in Chicago, IL

Q: What is Maria Teresa Tam's NPI number?

The NPI number for Maria Teresa Tam is 1003843517. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is Maria Teresa Tam's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Teresa Tam was last updated on August 24, 2020. 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.

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment

2845 N SHERIDAN RD, STE 902, CHICAGO, IL 60657(773) 904-8641(872) 888-1206 Get Directions Write a Review

NPPES record last updated: August 24, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Maria Teresa Tam Md NPPES

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

MARIA TERESA TAM MD (NPI 1003843517) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (036093565) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1003843517

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMARIA TERESA TAMCredential: MD

Location Address2845 N SHERIDAN RD, STE 902Chicago, IL 60657-7227

Mailing Address2845 N Sheridan Rd, Suite 902Chicago, IL 60657-7227 · (773) 904-8641 · Fax (872) 888-1206

Phone(773) 904-8641

Fax(872) 888-1206

Sole ProprietorYes

Medical School CMSOtherGraduated 1990

Enumeration DateJune 28, 2006

Last NPPES UpdateAugust 24, 2020

NPPES CertifiedAugust 24, 2020

✔ NPI 1003843517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036093565

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

2845 N SHERIDAN RD, Chicago, IL 60657

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Secondary Practice Locations 2

Location 12800 N Sheridan Rd, Suite 205NChicago, IL 60657-6156 · Phone (773) 904-8641 · Fax (872) 888-1206

Location 24250 Dempster StSkokie, IL 60076-2008 · Phone (733) 496-4532 · Fax (872) 888-1206

Other Identifiers 2

Medicaid036093565IL

Other1620171IL · Blue Cross Blue Shield

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

Maria Teresa Tam Md 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 ID143298307

PECOS Enrollment IDI20040924000397

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 4

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 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.

96 services52 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.

21 services20 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.

17 services17 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 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

Thorek Memorial Hospital

Acute Care Hospitals · Chicago, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number140115

Location850 W Irving Park RdChicago, IL 60613 · Cook County

Emergency services

Presence Saint Joseph Hospital - Chicago

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140224

Location2900 North Lake Shore DriveChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60657 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHARD Y ZHU M.D.

Surgery

2845 N SHERIDAN RD, STE 714
CHICAGO, IL 60657

Cook County (773) 472-3427

DR. WILLIAM MERRICK SANDERS MD

Internal Medicine (Pulmonary Disease)

2845 N SHERIDAN RD, STE 710
CHICAGO, IL 60657

Cook County (773) 935-5556

CLAUDIA BARBIERI

Counselor (Professional)

2845 N SHERIDAN RD
CHICAGO, IL 60657

Cook County (773) 906-3225

NOAH H ROSEN DMD, LLC

Dentist (General Practice)

2845 N SHERIDAN RD, SUITE 706
CHICAGO, IL 60657

Cook County (773) 248-6140

AMANDA MICHELLE VASQUEZ PT

Physical Therapist

2845 N SHERIDAN RD
CHICAGO, IL 60657

Cook County (224) 273-6560

CASEY ANN WALLACE

Social Worker (Clinical)

2845 N SHERIDAN RD, SUITE 809
CHICAGO, IL 60657

Cook County (312) 761-4721

CHICAGO ORTHOPAEDIC & SPORTS MEDICINE SC

Orthopaedic Surgery

2845 N SHERIDAN RD, SUITE 6400
CHICAGO, IL 60657

Cook County (773) 665-8400

DR. SALOUMEH DEGOOD PSYD

Psychologist (Clinical)

2845 N SHERIDAN RD, STE 708
CHICAGO, IL 60657

Cook County (773) 906-3225

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 Maria Teresa Tam's NPI number?

The NPI number for Maria Teresa Tam is 1003843517. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Maria Teresa Tam located?

Maria Teresa Tam practices at 2845 N Sheridan Rd Ste 902, Chicago, IL 60657. The listed phone number is (773) 904-8641.

What is Maria Teresa Tam's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Maria Teresa Tam enrolled in Medicare?

Yes. Maria Teresa 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 Maria Teresa Tam affiliated with any hospitals?

According to CMS data, Maria Teresa Tam is affiliated with Presence Saint Francis Hospital, Thorek Memorial Hospital and Presence Saint Joseph Hospital - Chicago.

When was this NPI record last updated?

The NPPES record for Maria Teresa Tam was last updated on August 24, 2020. 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.