David S. Hwang, MD
Internal Medicine Physician · Evanston, IL
David S. Hwang, MD is an internal medicine physician with a practice address in Evanston, Illinois, and NPI 1659430429, issued on Dec 7, 2006. Check the license (Illinois 036-099749, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David S. Hwang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-099749 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Central St, Evanston, IL 60201
- Phone
- (847) 570-1410
- Enumerated
- Dec 7, 2006
- Record last updated
- Dec 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (847) 869-0520
- Medicare enrollment
- Enrolled (PECOS I20050830000870); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1000 Central St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Alexander, PASurgical Physician Assistant1700087368
- Jamie AllisonSpeech-Language Pathologist1871711762
- Cristina ApostuPhysical Therapist1790109213
- Lisa Arrigoni, OTR/LSpecialist1518280775
- Julie Beardsley, MA CCCSLPSpeech-Language Pathologist1457674962
- Laura Bianchi, MDGastroenterology Physician1932231115
Verify David S. Hwang 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 036-099749Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,416 Medicare Part D claims for 557 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 141 claims were for opioids.
Most prescribed
- Atorvastatin Calcium613 claims
- Amlodipine Besylate411 claims
- Rosuvastatin Calcium302 claims
- Levothyroxine Sodium234 claims
- Tamsulosin Hcl193 claims
- Lisinopril186 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David S. Hwang among 7,238 internal medicine physician records in Illinois
David S. Hwang, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 2003 among the 3,580 with a school on file
- Record last updated2020 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
178 internal medicine physician records list a practice address in Evanston
They are 178 of the 4,013 NPPES records with a practice address in Evanston, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Evanston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Davis, M.D.Evanston, IL 602011588605745
- Bruce Doblin, MDEvanston, IL 602011417903212
- Steven Fox, MDEvanston, IL 602011821032210
- Richard Gayes, M.D.Evanston, IL 602011942233242
- Jeffrey Geohas, M.D.Evanston, IL 602011609846351
- Mahalakshmi Halasyamani, M.D.Evanston, IL 602011760441679
- Liza Icayan, M.D.Evanston, IL 602011316922529
- Shrimant Mishra, MDEvanston, IL 602011376551150
Common questions
What is David S. Hwang, MD's NPI number?
David S. Hwang, MD's National Provider Identifier (NPI) is 1659430429, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David S. Hwang, MD located?
The NPPES record lists a practice address at 1000 Central St, Evanston, IL, 60201. Phone: (847) 570-1410. Providers update this record themselves, so call before visiting.
How can I verify David S. Hwang, MD's license?
NPPES lists Illinois license number 036-099749, 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 S. Hwang, MD prescribe under Medicare Part D?
In 2024, David S. Hwang, MD had 6,416 Medicare Part D claims for 557 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David S. Hwang, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.