1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Obstetrics Gynecology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TESSA LUCY EVELYN BAUM MD
NPI 1730826272
Obstetrics & Gynecology in Chicago, IL

Active since May 17, 2022PECOS Enrolled
PO BOX 776084, CHICAGO, IL 60677(636) 240-0130(636) 240-6822 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, May 24, 2022, May 17, 2022 (3 updates tracked since 2022).

About Dr. Tessa Lucy Evelyn Baum Md NPPES

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

DR. TESSA LUCY EVELYN BAUM MD (NPI 1730826272) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Missouri (2022018013) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730826272
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. TESSA LUCY EVELYN BAUMCredential: MD
Location AddressPO BOX 776084Chicago, IL 60677-6084
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (636) 240-0130 · Fax (636) 240-6822
Phone(636) 240-0130
Fax(636) 240-6822
Sole ProprietorYes
Enumeration DateMay 17, 2022
Last NPPES UpdateSeptember 28, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1730826272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MO · 2022018013
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.
PO BOX 776084, Chicago, IL 60677
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tessa Lucy Evelyn Baum Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60677 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.

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 Tessa Baum's NPI number?

The NPI number for Tessa Baum is 1730826272. It was assigned to this individual provider in the NPPES registry on May 17, 2022.

Where is Tessa Baum located?

Tessa Baum practices at PO Box 776084, Chicago, IL 60677. The listed phone number is (636) 240-0130.

What is Tessa Baum's specialty?

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

Is Tessa Baum enrolled in Medicare?

Yes. Tessa Baum is registered in the Medicare PECOS enrollment system.

What insurance does Tessa Baum accept?

Health plans from UnitedHealthcare list Tessa Baum 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.

When was this NPI record last updated?

The NPPES record for Tessa Baum was last updated on September 28, 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.