NPPES file of Aug 9, 2026

David Eugene Nielsen, M.D.

Anesthesiology Physician · Mesa, AZ

David Eugene Nielsen, M.D. is an anesthesiology physician with a practice address in Mesa, Arizona, and NPI 1639513773, issued on Apr 19, 2013. Check the license (Arizona TP00034, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639513773
Name
David Eugene Nielsen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
TP00034 AZ
Self-reported in NPPES; status is on the state search
Practice location
4838 E Baseline RD Ste 108, Mesa, AZ 85206
Phone
(480) 981-2400
Enumerated
Apr 19, 2013
Record last updated
Aug 12, 2019 (not updated in 7 years: call before relying on the address or phone)
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 4838 E Baseline RD Ste 108

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

  1. Brian Delisio, MDAnesthesiology Physician1437186335
  2. Zsolt Egey-SamuChiropractor1962108365
  3. Matthew Ranson, M.D.Interventional Pain Medicine Physician1679797278
  4. Shawn Sullivan, MDAnesthesiology Physician1437358835

Verify David Eugene Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license TP00034
    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 Arizona 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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David Eugene Nielsen among 1,473 anesthesiology physician records in Arizona

David Eugene Nielsen, M.D. is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2013, is newer than 76% of them.

  • NPI issued2013 · 76% of these records are older, 21% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Arizona

There are 1,473 anesthesiology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Paul Addessi, MDMesa, AZ 852061629059373
  2. Brian Delisio, MDMesa, AZ 852061437186335
  3. John Harrison, MDMesa, AZ 852061730133489
  4. Alexander Kim, M.D.Mesa, AZ 852061629102033
  5. Mikulkumar Shah, MDMesa, AZ 852061033375456
  6. Shawn Sullivan, MDMesa, AZ 852061437358835
  7. Steven Bergman, DOMesa, AZ 852051578654794
  8. Ashimava Chakladar, MDMesa, AZ 852051841304235

Common questions

What is David Eugene Nielsen, M.D.'s NPI number?

David Eugene Nielsen, M.D.'s National Provider Identifier (NPI) is 1639513773, issued on Apr 19, 2013. An NPI identifies a provider in billing; it is not a license.

Where is David Eugene Nielsen, M.D. located?

The NPPES record lists a practice address at 4838 E Baseline RD Ste 108, Mesa, AZ, 85206. Phone: (480) 981-2400. Providers update this record themselves, so call before visiting.

How can I verify David Eugene Nielsen, M.D.'s license?

NPPES lists Arizona license number TP00034, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.