Physician Profile
Maria Teresa Tam, MD practices obstetrics/gynecology in Chicago, IL. Maria Teresa is also listed as specializing in obstetrics & gynecology. Medicare claims data shows Maria Teresa provided 157 services to 111 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1003843517.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2845 N SHERIDAN RD STE 902
Chicago, IL 60657
2800 N Sheridan Rd Suite 205N
Chicago, IL 60657
4250 Dempster St
Skokie, IL 60076
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Pelvic pain and benign gynecology
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
157 services · 111 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
96 | More often than most peers in Obstetrics/Gynecology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 | As often as other peers in Obstetrics/Gynecology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | As often as other peers in Obstetrics/Gynecology |
| Pelvic exam | Office visit | 99459 |
12 | Less often than most peers in Obstetrics/Gynecology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
11 | Less often than most peers in Obstetrics/Gynecology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Tam is an obstetrics/gynecology in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Tam is listed at 2845 N Sheridan Rd Ste 902, Chicago, IL 60657. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (773) 904-8641. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Tam's National Provider Identifier is 1003843517. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Tam attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Tam has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Tam the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tam. If this is you, claiming it is free.
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