Daisy Duan, M.D.
Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD
Daisy Duan, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Baltimore, Maryland, and NPI 1982021226, issued on Mar 25, 2014. Check the license (Maryland D91158, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Daisy Duan
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D91158 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St Bldg, Baltimore, MD 21287
- Phone
- (410) 955-3921
- Enumerated
- Mar 25, 2014
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 367-2042
- Medicare enrollment
- Enrolled (PECOS I20200419000213); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Verify Daisy Duan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D91158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
611 Medicare Part D claims for 61 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Ozempic65 claims
- Metformin Hcl Er54 claims
- Mounjaro53 claims
- Tresiba Flextouch U-10038 claims
- Novolog Flexpen29 claims
- Metformin Hcl28 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): 74.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Johns Hopkins UniversityBaltimore, MD
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daisy Duan among 314 endocrinology, diabetes & metabolism physician records in Maryland
Daisy Duan, M.D. is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2010 · median 2003 among the 193 with a school on file
- Record last updated2021 · 60% 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 Maryland 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 Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Baltimore → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Douglas Ball, M.D.Baltimore, MD 212871952366007
- Todd Brown, M.D.Baltimore, MD 212871780642264
- Rachel Chong, M.D.Baltimore, MD 212871346291291
- David Cooper, M.D.Baltimore, MD 212871932159480
- Adrian Dobs, M.D.Baltimore, MD 212871639126667
- Thomas Donner, M.D.Baltimore, MD 212871659329977
- Sherita Golden, M.D.Baltimore, MD 212871346294972
- Hylton Joffe, M.D., M.M.SC.Baltimore, MD 212871912010620
Common questions
What is Daisy Duan, M.D.'s NPI number?
Daisy Duan, M.D.'s National Provider Identifier (NPI) is 1982021226, issued on Mar 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Daisy Duan, M.D. located?
The NPPES record lists a practice address at 600 N Wolfe St Bldg, Baltimore, MD, 21287. Phone: (410) 955-3921. Providers update this record themselves, so call before visiting.
How can I verify Daisy Duan, M.D.'s license?
NPPES lists Maryland license number D91158, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daisy Duan, M.D. prescribe under Medicare Part D?
In 2024, Daisy Duan, M.D. had 611 Medicare Part D claims for 61 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Daisy Duan, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 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.