NPPES file of Aug 9, 2026

Lacey Zack, M.D.

Orthopaedic Surgery Physician · Los Angeles, CA

Lacey Zack, M.D. is an orthopaedic surgery physician with a practice address in Los Angeles, California, and NPI 1124315916, issued on Jun 30, 2011. Check the license (California A116342, as entered in NPPES) on the Medical Board of California; 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
1124315916
Name
Lacey Zack
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A116342 CA
Self-reported in NPPES; status is on the state search
Practice location
1245 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 338-1521
Enumerated
Jun 30, 2011
Record last updated
Jan 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(213) 266-8183
Medicare enrollment
Enrolled (PECOS I20150730012323); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2009
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 1245 Wilshire Blvd

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

  1. Jong Uk Bae, D.O.M., L.ACAcupuncturist1164624599
  2. Anil Bhandari, M.D.Clinical Cardiac Electrophysiology Physician1669466439
  3. Mirion Bowers, MDOtolaryngology Physician1295809200
  4. Lawrence Brooks, MDPulmonary Disease Physician1780764472
  5. Emily Caldwell, N.P.Nurse Practitioner1487619763
  6. David Cannom, M.D.Clinical Cardiac Electrophysiology Physician1346234952

Verify Lacey Zack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A116342
    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 California 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.

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90% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

34 Medicare Part D claims for 13 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Lacey Zack34
  2. Specialty average346

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: $36.49

1 payment: food and beverage; the largest payer was Saxum Surgical, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lacey Zack$36
  2. Specialty average$23,023

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

Bills Medicare through one group practice

  1. Lacey Zack MD IncLos Angeles, CA

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

Lacey Zack among 2,276 orthopaedic surgery physician records in California

Lacey Zack, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 75% of them.

  • NPI issued2011 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2003 among the 1,347 with a school on file
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Edward Leventen, MDLos Angeles, CA 900171548315211
  2. Gary Chen, M.D.Los Angeles, CA 900151831123934
  3. Arash Dini, M.D.Los Angeles, CA 900191841433547
  4. Andrew Sew Hoy, MDLos Angeles, CA 900151912927716
  5. Benjamin Song, M.D.Los Angeles, CA 900191437244951
  6. Joon Koh, MDLos Angeles, CA 900201205927266
  7. Colin Moseley, M.D.Los Angeles, CA 900201790758969
  8. Satish Kadaba, MDLos Angeles, CA 900221194058347

Common questions

What is Lacey Zack, M.D.'s NPI number?

Lacey Zack, M.D.'s National Provider Identifier (NPI) is 1124315916, issued on Jun 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Lacey Zack, M.D. located?

The NPPES record lists a practice address at 1245 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 338-1521. Providers update this record themselves, so call before visiting.

How can I verify Lacey Zack, M.D.'s license?

NPPES lists California license number A116342, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lacey Zack, M.D. prescribe under Medicare Part D?

In 2024, Lacey Zack, M.D. had 34 Medicare Part D claims for 13 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.