NPPES file of Aug 9, 2026

Jeffrey C. Zavala, MD

Allergy & Immunology (Internal Medicine) Physician · Iowa City, IA

Jeffrey C. Zavala, MD is an allergy & immunology (internal medicine) physician with a practice address in Iowa City, Iowa, and NPI 1023539848, issued on Jul 1, 2017. Check the license (Iowa MD-51544, as entered in NPPES) on the Iowa Board of Medicine; 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
1023539848
Name
Jeffrey C. Zavala
Credential
MD
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
MD-51544 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-3349
Enumerated
Jul 1, 2017
Record last updated
Aug 14, 2023
Fax
(319) 353-6290
Medicare enrollment
Enrolled (PECOS I20230801000747); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
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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5 nearest allergy & immunology (internal medicine) physician records → All 6 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.

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Jeffrey C. Zavala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-51544    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 Iowa license search

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79% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

169 Medicare Part D claims for 46 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Jeffrey Zavala169
  2. Specialty average789

Most prescribed

  1. Azelastine Hcl47 claims
  2. Famotidine19 claims
  3. Fluticasone Propionate18 claims
  4. Ipratropium Bromide12 claims
  5. Dupixent Pen11 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. State University OF IowaIowa City, IA

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

Allergy & Immunology (Internal Medicine) Physician providers in Iowa

There are 6 allergy & immunology (internal medicine) physician records in Iowa.

All 6 in Iowa → Every provider in Iowa City → Allergy & Immunology (Internal Medicine) Physician nationwide →

The 5 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Zuhair Ballas, MDIowa City, IA 522421316935943
  2. Mary Fasano, MDIowa City, IA 522421801884754
  3. Shayna Melvani, M.D.Iowa City, IA 522421588927867
  4. Amy Yoder Dowden, MDIowa City, IA 522421235204496
  5. Brad McClimon, M.D.Dubuque, IA 520021346450012

Common questions

What is Jeffrey C. Zavala, MD's NPI number?

Jeffrey C. Zavala, MD's National Provider Identifier (NPI) is 1023539848, issued on Jul 1, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey C. Zavala, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-3349. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey C. Zavala, MD's license?

NPPES lists Iowa license number MD-51544, 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 Jeffrey C. Zavala, MD prescribe under Medicare Part D?

In 2024, Jeffrey C. Zavala, MD had 169 Medicare Part D claims for 46 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.

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.