Doctor profile · Federal record

Dr. Daisy Duan, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Baltimore, MD

  • NPI 1982021226
  • MIPS 74.4 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
600 N Wolfe St Bldg, 1830 Bldg, Suite 333
Baltimore, MD 212870005
(410) 955-3921
fax (410) 367-2042
Additional location
17 E 102Nd St, 7Th Floor
New York, NY 100295204
(212) 659-8551
Mailing address
6201 Greenleigh Ave
Baltimore, MD 212202004

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
July 7, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Maryland #D91158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982021226. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
187
Distinct HCPCS
8
Medicare allowed
$18,524
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 35 28 $103
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 29 17 $36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 19 $63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 25 $138
99215 Established patient office or other outpatient visit, 40-54 minutes 23 18 $152
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 16 11 $35
99214 Established patient office or other outpatient visit, 30-39 minutes 16 13 $131
99215 Established patient office or other outpatient visit, 40-54 minutes 15 13 $167

In context: peer comparison

Among 33 peers in this city , average services per provider: 119. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
277
Patients
25
Total drug cost
$175,658
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 50 14 $66,675
Trulicity (Dulaglutide) Brand 31 0 $36,679
Metformin Hcl Er (Metformin Hcl) Brand 29 11 $679
Novolog Flexpen (Insulin Aspart) Brand 24 0 $34,320
Tresiba Flextouch U-100 (Insulin Degludec) Brand 23 0 $21,415
Levothyroxine Sodium Generic 21 0 $399
Atorvastatin Calcium Generic 19 0 $323
Metformin Hcl Generic 19 0 $337
Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) Brand 15 0 $6,037
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 13 0 $1,336

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daisy Duan's medical specialty?
Dr. Daisy Duan practices Endocrinology, Diabetes & Metabolism Physician in Baltimore, MD.
Where does Dr. Daisy Duan practice?
Dr. Daisy Duan practices at 600 N Wolfe St Bldg, Baltimore, MD 212870005. Office phone: 4109553921.
What is Dr. Daisy Duan's NPI?
Dr. Daisy Duan's National Provider Identifier (NPI) is 1982021226, issued by NPPES.
Does Dr. Daisy Duan accept Medicare assignment?
Dr. Daisy Duan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Daisy Duan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.