Timothy John Sullivan, M.D.
Allergy Physician · Ogden, UT
Timothy John Sullivan, M.D. is an allergy physician with a practice address in Ogden, Utah, and NPI 1023012911, issued on Jun 8, 2005. Check the license (Utah 8263858-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Timothy John Sullivan
- Credential
- M.D.
- Primary taxonomy
- Allergy Physician 207KA0200X
- License numbers
- 8263858-1205 UT
037913 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4403 Harrison Blvd., Ogden, UT 84403
- Phone
- (801) 387-4850
- Enumerated
- Jun 8, 2005
- Record last updated
- Jun 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (801) 387-4855
- Medicaid IDs
- 00570996C GA
00570996F GA - Medicare enrollment
- Enrolled (PECOS I20130320000742); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1966
- Entity
- Type 1 · individual
7 nearest allergy physician records → All 8 in Utah → Look up another NPI →
Also registered at 4403 Harrison Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brice Williams, M.D., PH.D.Ophthalmology Physician1154574390
Verify Timothy John Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 8263858-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average allergy physician in 2024
1,131 Medicare Part D claims for 240 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Montelukast Sodium252 claims
- Albuterol Sulfate Hfa105 claims
- Breztri Aerosphere68 claims
- Trelegy Ellipta68 claims
- Fluticasone-Salmeterol66 claims
- Breo Ellipta58 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: $1,158.56
48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Vicki J Lyons MD PCOgden, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy Physician providers in Utah
There are 8 allergy physician records in Utah.
All 8 in Utah → Every provider in Ogden → Allergy Physician nationwide →
The 7 allergy physician records with the nearest ZIP codes
- Vicki Lyons, M.D.Ogden, UT 844031326013574
- Scott Dickson, D.O.Logan, UT 843411467576322
- Jan Bernhisel-Broadbent, MDMurray, UT 841071265487300
- Douglas Jones, M.D.Murray, UT 841071346324761
- Robert Silge, M.D.Salt Lake City, UT 841051902080237
- Marcia Muggelberg, MDSandy, UT 840941942318530
- Jordan Pitt, M.D.Farmington, UT 840251841724986
Common questions
What is Timothy John Sullivan, M.D.'s NPI number?
Timothy John Sullivan, M.D.'s National Provider Identifier (NPI) is 1023012911, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy John Sullivan, M.D. located?
The NPPES record lists a practice address at 4403 Harrison Blvd., Ogden, UT, 84403. Phone: (801) 387-4850. Providers update this record themselves, so call before visiting.
How can I verify Timothy John Sullivan, M.D.'s license?
NPPES lists Utah license number 8263858-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy John Sullivan, M.D. prescribe under Medicare Part D?
In 2024, Timothy John Sullivan, M.D. had 1,131 Medicare Part D claims for 240 beneficiaries; the average among allergy physician prescribers was 750. 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.