NPPES file of Aug 9, 2026

Hannah Han Guan, MD

Urology Physician · Baltimore, MD

Hannah Han Guan, MD is a urology physician with a practice address in Baltimore, Maryland, and NPI 1063973907, issued on Mar 25, 2019. Check the license (Maryland D0104014, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063973907
Name
Hannah Han Guan
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License numbers
D0104014 MD
ME168277 FL
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(667) 214-1718
Enumerated
Mar 25, 2019
Record last updated
Jun 3, 2025
Fax
(410) 328-5147
Medicare enrollment
Enrolled (PECOS I20250821004784); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 22 S Greene St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Hannah Han Guan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0104014
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

91% fewer Medicare Part D claims than the average urology physician in 2024

117 Medicare Part D claims for 66 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Hannah Guan117
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl26 claims
  2. Myrbetriq15 claims
  3. Meloxicam11 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: $8,042.70

70 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hannah Guan$8,042.70
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Maryland General Clinical Practice Group, Inc.Baltimore, MD
  2. University OF Maryland Surgical Associates PABaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hannah Han Guan among 311 urology physician records in Maryland

Hannah Han Guan, MD is one of 311 urology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2019 · median 2004 among the 213 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Maryland

There are 311 urology physician records in Maryland.

The 8 urology physician records with the nearest ZIP codes

  1. Marcel Horowitz, M. D.Baltimore, MD 212011003079047
  2. Thomas Maclean, MDBaltimore, MD 212011134180417
  3. Amy NemirovskyBaltimore, MD 212011124588736
  4. Michael Phelan, M.D.Baltimore, MD 212011760406482
  5. Mohummad Siddiqui, MDBaltimore, MD 212011073649406
  6. Linhan Xu, MDBaltimore, MD 212011265018022
  7. Ira Hantman, MDBaltimore, MD 212021245268457
  8. Alan Kusakabe, MDBaltimore, MD 212021831233444

Common questions

What is Hannah Han Guan, MD's NPI number?

Hannah Han Guan, MD's National Provider Identifier (NPI) is 1063973907, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Han Guan, MD located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (667) 214-1718. Providers update this record themselves, so call before visiting.

How can I verify Hannah Han Guan, MD's license?

NPPES lists Maryland license number D0104014, 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 Hannah Han Guan, MD prescribe under Medicare Part D?

In 2024, Hannah Han Guan, MD had 117 Medicare Part D claims for 66 beneficiaries; the average among urology physician prescribers was 1,340. 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.