NPPES file of Aug 9, 2026

David Albert Baum, MD

Obstetrics & Gynecology Physician · Chicago, IL

David Albert Baum, MD is an obstetrics & gynecology physician with a practice address in Chicago, Illinois, and NPI 1245296888, issued on Apr 22, 2006. Check the license (Illinois 036-074471, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245296888
Name
David Baum
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036-074471 IL
Self-reported in NPPES; status is on the state search
Practice location
30 N Michigan Ave, Chicago, IL 60602
Phone
(312) 726-3917
Enumerated
Apr 22, 2006
Record last updated
Oct 25, 2023
Fax
(312) 726-0474
Medicare enrollment
Enrolled (PECOS I20100604001149); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 30 N Michigan Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Aber, PH.D.Clinical Psychologist1598777187
  2. Andrea Alpert, L.C.S.W.Clinical Social Worker1962526657
  3. Bailey AmisProfessional Counselor1720662448
  4. Elizabeth Aram, PSYDClinical Psychologist1396257366
  5. Maria Ashley, DDSDentist1508083288
  6. Brian Behles, D.D.S.General Practice Dentistry1659591105

Verify David Baum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-074471
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Illinois license search

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38% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

227 Medicare Part D claims for 59 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. David Baum227
  2. Specialty average165

Most prescribed

  1. Estradiol93 claims
  2. Valacyclovir18 claims
  3. Progesterone17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score89.7
  2. Costout of 100 · 30%28.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $645.79

27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Baum$645.79
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Midwest Center For Women's Healthcare, LtdEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

700 obstetrics & gynecology physician records list a practice address in Chicago

They are 700 of the 63,379 NPPES records with a practice address in Chicago, and 2,062 obstetrics & gynecology physician records in Illinois.

Other obstetrics & gynecology physician records in Illinois

  1. Anum Abbasi, MDChicago, IL1679063010
  2. Diane Abdel-Barry, M.D.Chicago, IL1508205808
  3. Rana Abdul-Khalek, MDRoscoe, IL1275768087
  4. Idries Abdur-Rahman, M.D.Ottawa, IL1891727236
  5. Jamil Abdur-Rahman, M.D.Gurnee, IL1710914189
  6. Bassel Abouzeid, MDPeoria, IL1376160846
  7. Ashley Abraham, M.D.Arlington Heights, IL1457615742
  8. Iris Abrahantes Morales, MDChicago, IL1164155164
  9. Fidel Abrego, MDChicago, IL1245351824
  10. Bayan AbunarAurora, IL1972063220

Common questions

What is David Albert Baum, MD's NPI number?

David Albert Baum, MD's National Provider Identifier (NPI) is 1245296888, issued on Apr 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Albert Baum, MD located?

The NPPES record lists a practice address at 30 N Michigan Ave, Chicago, IL, 60602. Phone: (312) 726-3917. Providers update this record themselves, so call before visiting.

How can I verify David Albert Baum, MD's license?

NPPES lists Illinois license number 036-074471, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Albert Baum, MD prescribe under Medicare Part D?

In 2024, David Albert Baum, MD had 227 Medicare Part D claims for 59 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is David Albert Baum, MD's MIPS final score?

The 2023 MIPS final score is 75.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.