NPPES file of Aug 9, 2026

Liza Waichun Chang, M.D.

MOHS-Micrographic Surgery Physician · Towson, MD

Liza Waichun Chang, M.D. is a mohs-micrographic surgery physician with a practice address in Towson, Maryland, and NPI 1932164100, issued on Apr 19, 2006. Check the license (Maryland D45873, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932164100
Name
Liza Waichun Chang
Credential
M.D.
Primary taxonomy
MOHS-Micrographic Surgery Physician 207ND0101X
License number
D45873 MD
Self-reported in NPPES; status is on the state search
Practice location
515 Fairmount Ave Ste 340, Towson, MD 21286
Phone
(410) 321-9108
Enumerated
Apr 19, 2006
Record last updated
Nov 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(410) 321-9126
Medicaid ID
122611900 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 515 Fairmount Ave Ste 340

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

  1. Mrinal Joshi, M.D.Internal Medicine Physician1255731253

Verify Liza Waichun Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D45873
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 78.5 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.

  1. Qualityout of 100 · 30% of the final score80.4
  2. Costout of 100 · 30%64.7
  3. Promoting interoperabilityout of 100 · 25%80.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Liza Waichun Chang among 32 mohs-micrographic surgery physician records in Maryland

Liza Waichun Chang, M.D. is one of 32 mohs-micrographic surgery physician records with a practice address in Maryland. 94% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileNo · 91% of these records are
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

MOHS-Micrographic Surgery Physician providers in Maryland

There are 32 mohs-micrographic surgery physician records in Maryland.

The 8 mohs-micrographic surgery physician records with the nearest ZIP codes

  1. Trinh Pham, D.O.Towson, MD 212861700814944
  2. Julia Santoso Pham, D.O.Towson, MD 212861144265414
  3. Daniel Lewis, MDBaltimore, MD 212871205324514
  4. Elise Ng, M.D.Baltimore, MD 212241508132846
  5. Faith Esterson, M.D.Baltimore, MD 212081609811983
  6. Zaineb Makhzoumi, MDBaltimore, MD 212011407014913
  7. Rachel Schleichert, MDBaltimore, MD 212011679708416
  8. Mary Farley, M.D.Annapolis, MD 214011447218847

Common questions

What is Liza Waichun Chang, M.D.'s NPI number?

Liza Waichun Chang, M.D.'s National Provider Identifier (NPI) is 1932164100, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Liza Waichun Chang, M.D. located?

The NPPES record lists a practice address at 515 Fairmount Ave Ste 340, Towson, MD, 21286. Phone: (410) 321-9108. Providers update this record themselves, so call before visiting.

How can I verify Liza Waichun Chang, M.D.'s license?

NPPES lists Maryland license number D45873, 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.

What is Liza Waichun Chang, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.5 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.