NPPES file of Aug 9, 2026

Kathleen Sharon O'Brien, PA-C

Dermatology Physician · Tucson, AZ

Kathleen Sharon O'Brien, PA-C is a dermatology physician with a practice address in Tucson, Arizona, and NPI 1447588983, issued on Nov 20, 2009. Check the license (Arizona 4486, as entered in NPPES) on the Arizona Medical Board; 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
1447588983
Name
Kathleen Sharon O'Brien
Credential
PA-C
Primary taxonomy
Dermatology Physician 207N00000X
License number
4486 AZ
Self-reported in NPPES; status is on the state search
Practice location
7005 N. Oracle RD, Tucson, AZ 85704
Phone
(520) 498-1818
Enumerated
Nov 20, 2009
Record last updated
Nov 20, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(520) 498-6499
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.
Download card Updates feed

8 nearest dermatology physician records → All 350 in Arizona → Look up another NPI →

Verify Kathleen Sharon O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 4486    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $176,630.48

209 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathleen O'Brien$176,630
  2. Specialty average$8,545

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

Kathleen Sharon O'Brien among 350 dermatology physician records in Arizona

Kathleen Sharon O'Brien, PA-C is one of 350 dermatology physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2009 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Arizona

There are 350 dermatology physician records in Arizona.

All 350 in Arizona → Every provider in Tucson → Dermatology Physician nationwide →

The 8 dermatology physician records with the nearest ZIP codes

  1. Linda Barrows, M.D.Tucson, AZ 857041467555813
  2. Sheila Farhang, M.D.Oro Valley, AZ 857041689087348
  3. John Haraldsen, MDTucson, AZ 857041518989383
  4. Joseph Sosnow, MDTucson, AZ 857041457419921
  5. Rene Miranda, MDTucson, AZ 857051275604043
  6. David Flieger, MDTucson, AZ 857101134229818
  7. Ann Gerald, M.D.Tucson, AZ 857101760431050
  8. Ralph Lemcke, MDTucson, AZ 857101912007683

Common questions

What is Kathleen Sharon O'Brien, PA-C's NPI number?

Kathleen Sharon O'Brien, PA-C's National Provider Identifier (NPI) is 1447588983, issued on Nov 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Sharon O'Brien, PA-C located?

The NPPES record lists a practice address at 7005 N. Oracle RD, Tucson, AZ, 85704. Phone: (520) 498-1818. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Sharon O'Brien, PA-C's license?

NPPES lists Arizona license number 4486, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.