Registry data as of Aug 27, 2026

Baldwin Marchack, D.D.S.

General Practice Dentistry · Pasadena, CA

Baldwin Marchack, D.D.S. is a general practice dentistry with a practice address in Pasadena, California, and NPI 1619136363, issued on Jun 7, 2008. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619136363
Name
Baldwin Marchack
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
566 EL Dorado St Ste 200, Pasadena, CA 91101
Phone
(626) 793-6700
Enumerated
Jun 7, 2008
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 566 EL Dorado St Ste 200

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

  1. Eugenia Chan, D.D.S.Prosthodontics1790137313

Verify Baldwin Marchack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Industry payments in 2024: $95.69

3 payments, mostly food and beverage; the largest payer was Ultradent Products Inc. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Baldwin Marchack$95.69
  2. Specialty average$593.28

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

95 general practice dentistry records list a Pasadena practice address

They are 95 of the 10,525 NPPES records with a Pasadena practice address, and 17,740 general practice dentistry records in California.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Baldwin Marchack, D.D.S.'s NPI number?

Baldwin Marchack, D.D.S.'s National Provider Identifier (NPI) is 1619136363, issued on Jun 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Baldwin Marchack, D.D.S. located?

The NPPES record lists a practice address at 566 EL Dorado St Ste 200, Pasadena, CA, 91101. Phone: (626) 793-6700. Providers update this record themselves, so call before visiting.

How can I verify Baldwin Marchack, D.D.S.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.