Natalie Grace Maltby, MD
Family Medicine Physician · Chicago, IL
Natalie Grace Maltby, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1477136893, issued on May 3, 2021. Check the license (Illinois 036.177177, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Natalie Grace Maltby
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036.177177 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4025 N Western Ave, Chicago, IL 60618
- Phone
- (773) 275-7700
- Enumerated
- May 3, 2021
- Record last updated
- Jun 30, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 4025 N Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalie Grace Maltby 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 036.177177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
280 Medicare Part D claims for 64 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Pantoprazole Sodium31 claims
- Hydrocodone-Acetaminophen15 claims
- Atorvastatin Calcium13 claims
- Losartan Potassium13 claims
- Metoprolol Succinate13 claims
- Levothyroxine Sodium12 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.
Natalie Grace Maltby among 6,215 family medicine physician records in Illinois
Natalie Grace Maltby, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Henson Chu, MDChicago, IL 606181962498170
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- William Faber, M.D.Chicago, IL 606181992739981
- Richard Fairbrother, D.O.Chicago, IL 606181245204312
- Lettricia Gunaratnam, M.D.Chicago, IL 606181851449060
- Mike Kim, M.D.Chicago, IL 606181134396112
- Jasminka Kostic, MDChicago, IL 606181073599775
- Alex Lima, M.D.Chicago, IL 606181356389381
Common questions
What is Natalie Grace Maltby, MD's NPI number?
Natalie Grace Maltby, MD's National Provider Identifier (NPI) is 1477136893, issued on May 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Grace Maltby, MD located?
The NPPES record lists a practice address at 4025 N Western Ave, Chicago, IL, 60618. Phone: (773) 275-7700. Providers update this record themselves, so call before visiting.
How can I verify Natalie Grace Maltby, MD's license?
NPPES lists Illinois license number 036.177177, 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 Natalie Grace Maltby, MD prescribe under Medicare Part D?
In 2024, Natalie Grace Maltby, MD had 280 Medicare Part D claims for 64 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.