NPPES file of Aug 9, 2026

Mark Alex Obregon, DDS

General Practice Dentistry · Livonia, MI

Mark Alex Obregon, DDS is a general practice dentistry with a practice address in Livonia, Michigan, and NPI 1427130079, issued on Oct 20, 2006. Check the license (Michigan 2901016400, as entered in NPPES) with the Michigan board that licenses this profession; 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
1427130079
Name
Mark Alex Obregon
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
2901016400 MI
Self-reported in NPPES; status is on the state search
Practice location
35900 Five Mile RD, Livonia, MI 48154
Phone
(734) 464-7770
Enumerated
Oct 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(734) 464-7838
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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Verify Mark Alex Obregon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2901016400
    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
Find the Michigan license search

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52% more Medicare Part D claims than the average general practice dentistry in 2024

126 Medicare Part D claims for 75 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Mark Obregon126
  2. Specialty average83

Most prescribed

  1. Amoxicillin79 claims
  2. Chlorhexidine Gluconate16 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.

Mark Alex Obregon among 4,088 general practice dentistry records in Michigan

Mark Alex Obregon, DDS is one of 4,088 general practice dentistry records with a practice address in Michigan. 61% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

91 general practice dentistry records list a practice address in Livonia

They are 91 of the 4,733 NPPES records with a practice address in Livonia, and 4,088 general practice dentistry records in Michigan.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Karen Bartos, DDSLivonia, MI 481541215002456
  2. Daniel Campbell, DDSLivonia, MI 481541669570396
  3. Franco Facchini, D.D.S.Livonia, MI 481541972582997
  4. Daniel Fox, D.D.S.Livonia, MI 481541962588327
  5. Dennis Freeman, DDSLivonia, MI 481541467538819
  6. Mark Jacobs, DDSLivonia, MI 481541598770273
  7. Deric Lembree, D.D.S.Livonia, MI 481541912977307
  8. Wallin McMinn, D.D.S.Livonia, MI 481541902981053

Common questions

What is Mark Alex Obregon, DDS's NPI number?

Mark Alex Obregon, DDS's National Provider Identifier (NPI) is 1427130079, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alex Obregon, DDS located?

The NPPES record lists a practice address at 35900 Five Mile RD, Livonia, MI, 48154. Phone: (734) 464-7770. Providers update this record themselves, so call before visiting.

How can I verify Mark Alex Obregon, DDS's license?

NPPES lists Michigan license number 2901016400, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Alex Obregon, DDS prescribe under Medicare Part D?

In 2024, Mark Alex Obregon, DDS had 126 Medicare Part D claims for 75 beneficiaries; the average among general practice dentistry prescribers was 83. 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.