NPPES file of Aug 9, 2026

Timothy Albert Lancaster, MD

Emergency Medicine Physician · Oro Valley, AZ

Timothy Albert Lancaster, MD is an emergency medicine physician with a practice address in Oro Valley, Arizona, and NPI 1578755120, issued on Aug 16, 2007. Check the license (Arizona 75204, 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
1578755120
Name
Timothy Albert Lancaster
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
75204 AZ
245348 NY
25MA08257900 NJ
Self-reported in NPPES; status is on the state search
Practice location
1551 E Tangerine RD, Oro Valley, AZ 85755
Phone
(520) 901-3500
Enumerated
Aug 16, 2007
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20241203003311); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 1551 E Tangerine RD

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

  1. Paul Affleck, MDAnesthesiology Physician1902986078
  2. Osei Akoto, OTR/LOccupational Therapist1689193179
  3. Moriah Amaya, RNMedical-Surgical Registered Nurse1437668316
  4. John Arraf, MDAnesthesiology Physician1972276897
  5. Nicholas Barrett, P.A.Physician Assistant1326304239
  6. Taryn Bell, RRTRegistered Respiratory Therapist1326680356

Verify Timothy Albert Lancaster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 75204
    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.

15% more Medicare Part D claims than the average emergency medicine physician in 2024

259 Medicare Part D claims for 169 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 51 claims were for opioids.

  1. Timothy Lancaster259
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl28 claims
  2. Meclizine Hcl14 claims
  3. Ondansetron Odt14 claims
  4. Doxycycline Hyclate13 claims
  5. Oxycodone-Acetaminophen13 claims
  6. Cephalexin12 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.

Bills Medicare through one group practice

  1. Northwest Hbp Medical Services LLCTucson, AZ

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

Timothy Albert Lancaster among 1,494 emergency medicine physician records in Arizona

Timothy Albert Lancaster, MD is one of 1,494 emergency medicine 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 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2004 · median 2014 among the 828 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Arizona

There are 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Cecilia Colmer, MDOro Valley, AZ 857551578517702
  2. Piotr JurgielewiczTucson, AZ 857561891356028
  3. Tyler ReedTucson, AZ 857471073307963
  4. Hiram Albino, MDTucson, AZ 857451568676229
  5. Gerald Bell, MDTucson, AZ 857451518983311
  6. Hans Bradshaw, M.D.Tucson, AZ 857451346426244
  7. Alexa Cohn, MDTucson, AZ 857451396310272
  8. Charles Elliott, M.D.Tucson, AZ 857451588198006

Common questions

What is Timothy Albert Lancaster, MD's NPI number?

Timothy Albert Lancaster, MD's National Provider Identifier (NPI) is 1578755120, issued on Aug 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Albert Lancaster, MD located?

The NPPES record lists a practice address at 1551 E Tangerine RD, Oro Valley, AZ, 85755. Phone: (520) 901-3500. Providers update this record themselves, so call before visiting.

How can I verify Timothy Albert Lancaster, MD's license?

NPPES lists Arizona license number 75204, 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 Albert Lancaster, MD prescribe under Medicare Part D?

In 2024, Timothy Albert Lancaster, MD had 259 Medicare Part D claims for 169 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.