NPPES file of Aug 9, 2026

Tracy Liu, DO

Addiction Medicine (Family Medicine) Physician · Baltimore, MD

Tracy Liu, DO is an addiction medicine (family medicine) physician with a practice address in Baltimore, Maryland, and NPI 1629631767, issued on Apr 15, 2019. Check the license (Maryland H0097015, 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
1629631767
Name
Tracy Liu
Credential
DO
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
H0097015 MD
Self-reported in NPPES; status is on the state search
Practice location
1001 W Pratt St, Baltimore, MD 21223
Phone
(443) 462-3694
Enumerated
Apr 15, 2019
Record last updated
Aug 29, 2023
Medicare enrollment
Enrolled (PECOS I20231031000702); accepts Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 2019
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.
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Also registered at 1001 W Pratt St

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

  1. Nicholle Addison, LPNLicensed Practical Nurse1154187813
  2. Gregory AustinAddiction (Substance Use Disorder) Counselor1376399261
  3. Lindsey BaldwinProfessional Counselor1649571852
  4. Ebony BowenAddiction (Substance Use Disorder) Counselor1174372015
  5. Charlene BriddellProfessional Counselor1649694001
  6. Gregory Burnett, M.D.Addiction Medicine (Preventive Medicine) Physician1679834592

Verify Tracy Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H0097015
    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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61% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

257 Medicare Part D claims for 31 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Tracy Liu257
  2. Specialty average664

Most prescribed

  1. Amlodipine Besylate27 claims
  2. Atorvastatin Calcium27 claims
  3. Buprenorphine-Naloxone20 claims
  4. Amitriptyline Hcl15 claims
  5. Chlorthalidone14 claims
  6. Losartan Potassium13 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: $14.15

1 payment: food and beverage; the largest payer was Shionogi Inc. The 305 providers of this specialty with any payment received $1,151.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tracy Liu$14.15
  2. Specialty average$1,151.00

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. University OF Maryland Family Medicine Associates, P.A.Baltimore, MD
  2. University OF Maryland Psychiatry Associates PABaltimore, MD

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

Tracy Liu among 16 addiction medicine (family medicine) physician records in Maryland

Tracy Liu, DO is one of 16 addiction medicine (family medicine) physician records with a practice address in Maryland. 88% 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 75% of them.

  • NPI issued2019 · 75% of these records are older, 6% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Record last updated2023 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Family Medicine) Physician providers in Maryland

There are 16 addiction medicine (family medicine) physician records in Maryland.

The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes

  1. Aaron Greenblatt, MDBaltimore, MD 212231013208198
  2. Mary Fakorede, MDBaltimore, MD 212241922569714
  3. Yngvild Olsen, M.D., M.P.H.Baltimore, MD 212181134173594
  4. Paulette Hill, MDBaltimore, MD 212021619054046
  5. Paul Kulpinski, M.D.Baltimore, MD 212011568564003
  6. Chioma Ugbam, MSN,MPH,CRNP, PMHNPBaltimore, MD 212011871058701
  7. Natale Gagliardi, M.D.Pasadena, MD 211221447225719
  8. Faisal Shabbir, MDEllicott City, MD 210421457980955

Common questions

What is Tracy Liu, DO's NPI number?

Tracy Liu, DO's National Provider Identifier (NPI) is 1629631767, issued on Apr 15, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Tracy Liu, DO located?

The NPPES record lists a practice address at 1001 W Pratt St, Baltimore, MD, 21223. Phone: (443) 462-3694. Providers update this record themselves, so call before visiting.

How can I verify Tracy Liu, DO's license?

NPPES lists Maryland license number H0097015, 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 Tracy Liu, DO prescribe under Medicare Part D?

In 2024, Tracy Liu, DO had 257 Medicare Part D claims for 31 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.