Michael Dennis Weaver, DO
Allergy & Immunology Physician · Iowa City, IA
Michael Dennis Weaver, DO is an allergy & immunology physician with a practice address in Iowa City, Iowa, and NPI 1336714963, issued on May 25, 2021. Check the license (Iowa DO-55605, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Dennis Weaver
- Credential
- DO
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- DO-55605 IA
2023043514 MO
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-1311
- Enumerated
- May 25, 2021
- Record last updated
- Jul 3, 2026
- Fax
- (319) 356-8280
- Medicare enrollment
- Enrolled (PECOS I20240626004149); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2021
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 33 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Michael Dennis Weaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-55605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
472 Medicare Part D claims for 112 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium35 claims
- Gabapentin24 claims
- Eliquis20 claims
- Omeprazole18 claims
- Lisinopril14 claims
- Levothyroxine Sodium13 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: $203.88
5 payments; by number, the most common kind was food and beverage; the largest payer was Blueprint Medicines Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Freeman-Oak Hill Health SystemJoplin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Dennis Weaver among 33 allergy & immunology physician records in Iowa
Michael Dennis Weaver, DO is one of 33 allergy & immunology physician records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2008 among the 20 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Iowa
There are 33 allergy & immunology physician records in Iowa.
All 33 in Iowa → Every provider in Iowa City → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Amir Abidov, MDIowa City, IA 522421962964551
- Dana Al-Maajali, M.D.Iowa City, IA 522421740927383
- Benjamin Davis, M.D.Iowa City, IA 522421467616326
- Cassie Wassink, MDIowa City, IA 522421508503954
- Mackenzie Hines, MDCoralville, IA 522411891352258
- Marta Little, MDCoralville, IA 522411962491373
- Erin Rasmussen, M.D.Iowa City, IA 522411659750271
- Lyla Schweiger, M.D.Cedar Rapids, IA 524021285714964
Common questions
What is Michael Dennis Weaver, DO's NPI number?
Michael Dennis Weaver, DO's National Provider Identifier (NPI) is 1336714963, issued on May 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael Dennis Weaver, DO located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-1311. Providers update this record themselves, so call before visiting.
How can I verify Michael Dennis Weaver, DO's license?
NPPES lists Iowa license number DO-55605, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Dennis Weaver, DO prescribe under Medicare Part D?
In 2024, Michael Dennis Weaver, DO had 472 Medicare Part D claims for 112 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.