Mary D. Codo, MD
Endocrinology, Diabetes & Metabolism Physician · Naperville, IL
Mary D. Codo, MD is an endocrinology, diabetes & metabolism physician 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) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary D. Codo
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- 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
- Record last updated
- Aug 4, 2023
- Fax
- (630) 789-4911
- Medicare enrollment
- Enrolled (PECOS I20120229000454); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
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.
- Susan Bettenhausen, APRN, CDE, RDRegistered Dietitian1528382207
- Brinda Joshi, DORheumatology Physician1134390750
- Falguni Vasa, M.D.Endocrinology, Diabetes & Metabolism Physician1184741951
Verify Mary D. Codo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-082140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,162 Medicare Part D claims for 703 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium741 claims
- Ozempic221 claims
- Mounjaro200 claims
- Metformin Hcl195 claims
- Metformin Hcl Er194 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Dupage Medical Group LtdNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary D. Codo among 436 endocrinology, diabetes & metabolism physician records in Illinois
Mary D. Codo, MD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1988 · median 2006 among the 295 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Naperville → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Anju Paul, M.D.Naperville, IL 605631609032903
- Falguni Vasa, M.D.Naperville, IL 605631184741951
- Richard Bertenshaw, MDDarien, IL 605611992721898
- Chaiyapon Couropmitree, MDRiverside, IL 605461073624375
- Safiya Elahi, DONaperville, IL 605401740784362
- Natasha KadakiaNaperville, IL 605401811484199
- Amtul ShafiNaperville, IL 605401235636309
- Liang Xue, M.D.Naperville, IL 605401750623849
Common questions
What is Mary D. Codo, MD's NPI number?
Mary D. 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 D. 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 D. Codo, MD's license?
NPPES lists Illinois license number 036-082140, 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 Mary D. Codo, MD prescribe under Medicare Part D?
In 2024, Mary D. Codo, MD had 4,162 Medicare Part D claims for 703 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
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.