NPPES file of Aug 9, 2026

Timothy Kent McNichols, MD

Internal Medicine Physician · Tucson, AZ

Timothy Kent McNichols, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1225078660, issued on Jun 7, 2006. Check the license (Arizona 40509, 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
1225078660
Name
Timothy Kent McNichols
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
40509 AZ
2000157963 MO
Self-reported in NPPES; status is on the state search
Practice location
1631 W Ina RD, Tucson, AZ 85704
Phone
(520) 585-5738
Enumerated
Jun 7, 2006
Record last updated
Jun 18, 2026
Fax
(520) 585-5843
Medicaid ID
205007701 MO
Medicare enrollment
Enrolled (PECOS I20080924000489); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1997
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 1631 W Ina RD

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

  1. Kellie Marquis, DNPFamily Nurse Practitioner1730672262
  2. Peter Michalak, MDFamily Medicine Physician1104321777
  3. Stephanie Schmid, FNP-BCFamily Nurse Practitioner1750876587

Verify Timothy Kent McNichols in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 40509
    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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,130 Medicare Part D claims for 670 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 140 claims were for opioids.

  1. Timothy McNichols7,130
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium436 claims
  2. Levothyroxine Sodium360 claims
  3. Atorvastatin Calcium344 claims
  4. Losartan Potassium290 claims
  5. Amlodipine Besylate248 claims
  6. Lisinopril224 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.

Industry payments in 2024: $499.73

24 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy McNichols$499.73
  2. Specialty average$1,303.06

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. Arizona Community Physicians PCTucson, AZ

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

Timothy Kent McNichols among 2,853 internal medicine physician records in Arizona

Timothy Kent McNichols, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1997 · median 2003 among the 1,643 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

651 internal medicine physician records list a practice address in Tucson

They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Homeira Baghdadi, MDTucson, AZ 857041215908397
  2. Scott Biehler, D.O.Tucson, AZ 857041518940089
  3. Michael Boren, MDTucson, AZ 857041962473041
  4. Randall Brown, M.D.Tucson, AZ 857041881681393
  5. John Graham, MDTucson, AZ 857041336137538
  6. Bill Holloman, MDTucson, AZ 857041356307771
  7. Paul Koss, MDTucson, AZ 857041194701029
  8. William Ludt, DOTucson, AZ 857041922084094

Common questions

What is Timothy Kent McNichols, MD's NPI number?

Timothy Kent McNichols, MD's National Provider Identifier (NPI) is 1225078660, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Kent McNichols, MD located?

The NPPES record lists a practice address at 1631 W Ina RD, Tucson, AZ, 85704. Phone: (520) 585-5738. Providers update this record themselves, so call before visiting.

How can I verify Timothy Kent McNichols, MD's license?

NPPES lists Arizona license number 40509, 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.

How much does Timothy Kent McNichols, MD prescribe under Medicare Part D?

In 2024, Timothy Kent McNichols, MD had 7,130 Medicare Part D claims for 670 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.