Dr. William Lee Smits, MD

  • Fort Wayne, IN
  • Allergist and immunologist
NPI1811950462PAC ID1951204767
Medicare services, 2024
19,982
Medicare patients, 2024
662
Part D claims, 2024
10,466
Publications
8
MIPS score, 2024
92
Practice address
7222 Engle Rd, Fort Wayne, IN 46804
Practice phone
Call (260) 432-5005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Allergy and Asthma Center

Fort Wayne, Indiana

See all 8 affiliations

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Dr. William Lee Smits is an allergist and immunologist in Fort Wayne, Indiana

Dr. Smits practices at The Allergy and Asthma Center in Fort Wayne, Indiana.

Dr. Smits' NPI, 1811950462, was assigned on April 6, 2006. Dr. Smits graduated from John A. Burns School of Medicine in 1989. Dr. Smits' Indiana license number on file is 01044372A.

NPI and contact details
Medicare PAC ID
1951204767
NPI enumeration date
April 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(260) 432-5005
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William Lee Smits practices at The Allergy and Asthma Center in Fort Wayne, Indiana

Dr. Smits' primary practice is The Allergy and Asthma Center, at 7222 Engle Rd, Fort Wayne, IN 46804 in Allen County. The practice phone is (260) 432-5005.

  • The Allergy and Asthma Center
    7222 Engle Rd, Fort Wayne, IN 46804 · Allen CountyPhone(260) 432-5005

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William Lee Smits is affiliated with 7 sites of care and 1 medical group

Dr. Smits' primary practice is The Allergy and Asthma Center in Fort Wayne, Indiana. Dr. Smits is also affiliated with Parkview Regional Medical Center. The medical group on file is The Allergy and Asthma Center. Dmand AI also links Dr. Smits to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Smits

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William Lee Smits' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smits practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Allergy and Asthma CenterAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Lee Smits is one of 43 allergists and immunologists in Indiana

Allergy and immunology is Dr. Smits' primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Smits is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Smits' licenses on file in 2 states: Indiana and Iowa.

Specialties and state licenses

  • Allergy and immunology, IndianaPrimaryLicense 01044372A · 1995 to 2025 · taxonomy 207K00000X
  • Iowa license1989 to 1996

Clinical focus

Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, chronic sinusitis, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Smits treats.

Allergists and immunologists near Dr. Smits

Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.

43allergists and immunologists in Indiana
3allergists and immunologists in Fort Wayne

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William Lee Smits billed Medicare for 19,982 services in 2024

CMS data shows 19,982 Medicare services from Dr. Smits across 36 procedure codes in 2024, for 662 Medicare patients. Medicare paid $283,070 for them. Every service was in an office.

Medicare services, 202419,982
Medicare patients662
Paid by Medicare$283,070
Procedure codes36

Dr. Smits' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 9,1962024: 13,33545%
Drugs given in the office
2023: 9,3022024: 4,19055%
Office and hospital visits
2023: 1,7102024: 1,7623%
Imaging
2023: 1482024: 24264%
Surgery
2023: 1722024: 1762%
Lab and pathology
2023: 1472024: 1577%
Other services
2023: 1342024: 12110%

Dr. Smits compared with the Indiana median for allergists and immunologists, 2024

  • Dr. Smits
  • Indiana median
Medicare services
19,982vs 3,1586.3 times
Medicare patients
662vs 1295.1 times
Part D claims
10,139vs 49020.7 times

Medians across 44 allergists and immunologists in Indiana with Dmand AI profiles that report each measure.

Dr. Smits' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Smits

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Smits and other allergists and immunologists in Indiana.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William Lee Smits treated 662 Medicare patients in 2024, average age 72

CMS counts 662 Medicare patients who saw Dr. Smits in 2024. The largest group is 65 to 74, with 360 patients. 75% of them have asthma, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Smits' median patient age at 60, with 65% women.

Medicare patients, 2024662
Average age72
Average risk score1.14
Also on Medicaid10%

Dr. Smits' Medicare patients by age, 2024

Dr. Smits' Medicare patients by sex, 2024

  • Women45869%
  • Men20431%

Chronic conditions among Dr. Smits' Medicare patients, 2024

  1. Asthma75%
  2. High blood pressure72%
  3. High cholesterol71%
  4. Arthritis50%
  5. COPD34%
  6. Anxiety29%
  7. Diabetes26%
  8. Mood disorders26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Smits' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women65%
  • Men33%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William Lee Smits wrote 10,466 Medicare Part D claims in 2024

In 2024, Dr. Smits wrote 10,466 Medicare Part D claims for 1,138 patients. 69% of them were for generic drugs. CMS names the drug for 10,139 of them, across 111 drugs with 11 or more claims each, at $3,013,651 in total drug cost. In 2023, CMS named 9,126 claims across 105 drugs.

Part D claims, 202410,466
Drugs named by CMS111
Total drug cost$3M
Part D patients1,138

Dr. Smits' Part D claims by kind of drug, 2024

  • Generic7,206 claims69%
  • Brand-name3,260 claims31%

Dr. Smits' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Smits' Part D claims, 2024

  • Antibiotics11%1,166 of 10,466 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9,1262024: 10,13911%

Drugs named by CMS: 111 in 2024, 105 in 2023.

See all prescribing by Dr. Smits

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William Lee Smits scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Smits for performance year 2024, reported as part of a group. Dr. Smits accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Smits as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Smits' MIPS scores, performance year 2024

  • 92of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William Lee Smits has 8 publications on record

Dmand AI links 8 papers to Dr. Smits, published from 2017 to 2018. 2018 was the busiest year, with 2. The most frequent topics are Asthma, Agammaglobulinemia and Allergens. Dr. Smits' most frequent co-authors are Roger Hiro Kobayashi, MD, Hans D. Ochs and Timothy J. Craig, DO.

Papers8
Years published2017 to 2018

Topics Dr. Smits writes about most

  • Asthma
  • Agammaglobulinemia
  • Allergens
  • Common Variable Immunodeficiency
  • Desensitization, Immunologic
  • Immunoglobulin E
  • Immunoglobulin G
  • Immunoglobulins, Intravenous

Dr. Smits' most frequent co-authors

Recent publications by Dr. Smits

See all 8 publications and co-authors

See who Dr. Smits researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Smits works with, so you can find a warm path to the right allergists and immunologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William Lee Smits received $239,616 in industry payments from 2016 to 2025

CMS Open Payments shows 1,776 general payments to Dr. Smits from 60 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 77% of the total. AstraZeneca Pharmaceuticals LP paid the most, $92,440.

General payments to Dr. Smits by program year, 2016 to 2025

General payments to Dr. Smits by kind, 2016 to 2025

$239.6Kin total
  • Speaker and faculty fees$184,19177%
  • Food and beverage$30,33513%
  • Consulting fees$18,6748%
  • Travel and lodging$6,2083%
  • Education$2070%

Companies that paid Dr. Smits the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Smits

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William Lee Smits has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Smits, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Smits

  1. 2011
    • CMS Stage 1 2012
  2. Undated
    • AAAAI Fellow
    • AAP Fellow
    • Fellow College of Chest Physicians

Source: Dmand AI Professional Profile Data

Dr. William Lee Smits graduated from John A. Burns School of Medicine

Dr. Smits graduated from John A. Burns School of Medicine in 1989. Dr. Smits is a member of AAAAI and AAP.

  1. Medical schoolJohn A. Burns School of Medicine
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology

Source: Dmand AI Professional Profile Data

Dr. William Lee Smits accepts plans from 9 insurance carriers

Dr. Smits is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • Regence Health Plans
  • +1 more carriersWith a free account

Plan types Dr. Smits accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO4
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. William Lee Smits's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William Lee Smits

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William Lee Smits' NPI number?

Dr. William Lee Smits' NPI number is 1811950462. It was assigned on April 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William Lee Smits?

Dr. William Lee Smits is an allergist and immunologist in Fort Wayne, Indiana. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. William Lee Smits practice?

Dr. Smits practices at 7222 Engle Rd, Fort Wayne, IN 46804. Dr. Smits' primary practice is The Allergy and Asthma Center in Fort Wayne, Indiana. Dmand AI also links Dr. Smits to 4 hospitals and 1 group practice or clinic.

What is Dr. William Lee Smits' office phone number?

The practice phone on file for Dr. Smits is (260) 432-5005.

What is Dr. William Lee Smits' medical license number?

Dr. Smits' Indiana license number on file is 01044372A, one of the licenses on file in 2 states.

Which states has Dr. William Lee Smits been licensed in?

Dmand AI has state licenses on file for Dr. Smits in Indiana (1995 to 2025) and Iowa (1989 to 1996).

Which hospitals is Dr. William Lee Smits affiliated with?

Dr. Smits is affiliated with Parkview Regional Medical Center. Dmand AI links Dr. Smits to 4 more hospitals.

What medical group is Dr. William Lee Smits part of?

Dr. Smits is linked to The Allergy and Asthma Center.

Does Dr. William Lee Smits accept Medicare?

Yes. CMS data shows Dr. Smits billed Medicare for 19,982 services in 2024, and Dr. Smits accepts Medicare assignment.

Does Dr. William Lee Smits offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Smits as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. William Lee Smits' MIPS score?

Dr. Smits' MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. William Lee Smits see?

CMS counts 662 Medicare patients who saw Dr. Smits in 2024, with an average age of 72.

Is Dr. William Lee Smits board certified?

Yes. Dr. Smits is board certified in allergy & immunology by the American Board of Allergy and Immunology.

What services does Dr. William Lee Smits bill to Medicare?

In 2024, Dr. Smits' most billed Medicare services were allergy test or treatment (95004), injected or infused drug (J1100) and allergy test or treatment (95024).

Where did Dr. William Lee Smits go to medical school?

Dr. Smits graduated from John A. Burns School of Medicine in 1989.

What drugs does Dr. William Lee Smits prescribe most?

In 2024 Medicare Part D data, Dr. Smits' most prescribed drugs by claims were Montelukast Sodium, Famotidine and Azithromycin.

Has Dr. William Lee Smits received payments from drug or device companies?

CMS Open Payments shows $239,616 in general payments to Dr. Smits from 60 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. William Lee Smits been practicing?

Dr. Smits graduated from medical school in 1989, 37 years ago.

Does Dr. William Lee Smits do research?

Dmand AI links 8 publications to Dr. Smits, published from 2017 to 2018.

Who does Dr. William Lee Smits publish with?

Dr. Smits' most frequent co-authors are Roger Hiro Kobayashi, MD (3 shared papers), Hans D. Ochs (3 shared papers) and Timothy J. Craig, DO (2 shared papers).

What insurance does Dr. William Lee Smits accept?

Dr. Smits is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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