Registry data as of Aug 27, 2026

Mary Codo, MD

Specialist · Naperville, IL

Mary Codo, MD is a specialist with a practice address in Naperville, Illinois, and NPI 1568504439, issued on Feb 13, 2007. Check the license (Illinois 036-082140, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1568504439
Name
Mary Codo
Credential
MD
Primary taxonomy
Specialist 174400000X
License numbers
036-082140 IL
036082140 IL
Self-reported in NPPES; status is on the state search
Practice location
1020 E Ogden Ave Ste 100, Naperville, IL 60563
Phone
(630) 789-4910
Enumerated
Feb 13, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1020 E Ogden Ave Ste 100

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

  1. Susan Bettenhausen, APRN, CDE, RDNurse Practitioner1528382207
  2. Brinda Joshi, DORheumatology Physician1134390750
  3. Falguni Vasa, M.D.Endocrinology, Diabetes & Metabolism Physician1184741951

Verify Mary Codo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 036-082140
    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
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.7 times the Medicare Part D claims of the average specialist in 2024

4,162 Medicare Part D claims for 703 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. Mary Codo4,162
  2. Specialty average1,524

Most prescribed

  1. Levothyroxine Sodium741 claims
  2. Ozempic221 claims
  3. Mounjaro200 claims
  4. Metformin Hcl195 claims
  5. Metformin Hcl Er194 claims
  6. Jardiance169 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.

Industry payments in 2024: $1,170.10

76 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 9,482 providers of this specialty with any payment received $4,756.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Codo$1,170.10
  2. Specialty average$4,756.65

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

One hospital or facility affiliation

  1. Dupage Medical Group LtdNaperville, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Specialist providers in Illinois

There are 1,419 specialist records in Illinois.

Other specialist records in Illinois

  1. Sandra . Drewes, MDWinfield, IL1518056670
  2. Laketa AaronBellwood, IL1508508490
  3. Carrie Abbott-Walk, M.ED, DTDekalb, IL1841496171
  4. Suhair Abdel-Jalil, MDEvanston, IL1174572929
  5. Babak Abdollahshamshirsaz, M.D.Chicago, IL1447585765
  6. Syed Abdul-Aziz, MDBelleville, IL1114906005
  7. Steven Abern, M.D.Park Ridge, IL1922027424
  8. Richard AbramsChicago, IL1003992413
  9. Cherie AdamsEvanston, IL1063645810
  10. Robyn AdamsHerrin, IL1245216282

Common questions

What is Mary Codo, MD's NPI number?

Mary Codo, MD's National Provider Identifier (NPI) is 1568504439, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Codo, MD located?

The NPPES record lists a practice address at 1020 E Ogden Ave Ste 100, Naperville, IL, 60563. Phone: (630) 789-4910. Providers update this record themselves, so call before visiting.

How can I verify Mary Codo, MD's license?

NPPES lists Illinois license number 036-082140, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Codo, MD prescribe under Medicare Part D?

In 2024, Mary Codo, MD had 4,162 Medicare Part D claims for 703 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.