Dr. Walter Matthew Ryan III, DO

  • Miami, FL
  • Allergy and immunology (internal medicine) physician
NPI1073503843PAC ID8729177043
Medicare services, 2024
333
Medicare patients, 2024
128
Part D claims, 2024
673
Publications
2
MIPS score, 2024
80
Practice address
11880 Sw 40th St, Miami, FL 33175
Practice phone
Call (305) 279-3366
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Florida Center for Allergy & Asthma Care

Miami, Florida

See all 8 affiliations

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Dr. Walter Matthew Ryan III is an allergy and immunology (internal medicine) physician in Miami, Florida

Dr. Ryan practices at Florida Center for Allergy & Asthma Care in Miami, Florida.

Dr. Ryan's NPI, 1073503843, was assigned on October 24, 2005. Dr. Ryan graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 1993. Dr. Ryan holds New Hampshire license 24463.

NPI and contact details
Medicare PAC ID
8729177043
NPI enumeration date
October 24, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(305) 279-3366
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Walter Matthew Ryan III practices at Florida Center for Allergy & Asthma Care in Miami, Florida

Dr. Ryan's primary practice is Florida Center for Allergy & Asthma Care, at 11880 Sw 40th St, Miami, FL 33175 in Miami-Dade County. The practice phone is (305) 279-3366.

  • Florida Center for Allergy & Asthma Care
    11880 Sw 40th St, Miami, FL 33175 · Miami-Dade CountyPhone(305) 279-3366

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

Dr. Walter Matthew Ryan III is affiliated with 5 sites of care and 3 medical groups

Dr. Ryan's primary practice is Florida Center for Allergy & Asthma Care in Miami, Florida. Dr. Ryan is also affiliated with Dartmouth Hitchcock Medical Center. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Dr. Ryan to 2 more group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.

See all 8 affiliations for Dr. Ryan

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

Dmand AI tracks the EHR system at Dr. Walter Matthew Ryan III's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Florida Center for Allergy & Asthma CareAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Walter Matthew Ryan III is one of 20 allergys and immunology (internal medicine) physicians in Florida

Allergy and immunology is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207RA0201X. Dr. Ryan is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Ryan's licenses on file in 2 states: New Hampshire and Florida.

Specialties and state licenses

  • Allergy and immunology (internal medicine), New HampshirePrimaryLicense 24463 · taxonomy 207RA0201X
  • Allergy and immunology, FloridaLicense OS10177 · taxonomy 207K00000X

Clinical focus

Dmand AI lists asthma, chronic nasal allergies and upper respiratory infection (URI) among the conditions Dr. Ryan treats.

Allergys and immunology (internal medicine) physicians near Dr. Ryan

Counts of allergys and immunology (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.

20allergys and immunology (internal medicine) physicians in Florida
3allergys and immunology (internal medicine) physicians in Miami

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

Dr. Walter Matthew Ryan III billed Medicare for 333 services in 2024

CMS data shows 333 Medicare services from Dr. Ryan across 6 procedure codes in 2024, for 128 Medicare patients. Medicare paid $20,526 for them. Every service was in an office.

Medicare services, 2024333
Medicare patients128
Paid by Medicare$20,526
Procedure codes6

Dr. Ryan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1762024: 22830%
Tests and treatments
2023: 9812024: 10589%

Dr. Ryan compared with the Florida median for allergys and immunology (internal medicine) physicians, 2024

  • Dr. Ryan
  • Florida median
Medicare services
333vs 333Close to median
Medicare patients
128vs 18832% below
Part D claims
578vs 2672.2 times

Medians across 18 allergys and immunology (internal medicine) physicians in Florida with Dmand AI profiles that report each measure.

Dr. Ryan's 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. Ryan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ryan and other allergys and immunology (internal medicine) physicians in Florida.

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

Dr. Walter Matthew Ryan III treated 128 Medicare patients in 2024, average age 67

CMS counts 128 Medicare patients who saw Dr. Ryan in 2024. The largest group is 65 to 74, with 55 patients. 68% of them have high cholesterol, and 48% have high blood pressure. 16% are also on Medicaid. Their average risk score is 0.82, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 36, with 59% women.

Medicare patients, 2024128
Average age67
Average risk score0.82
Also on Medicaid16%

Dr. Ryan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ryan's Medicare patients by sex, 2024

  • Women8365%
  • Men4535%

Chronic conditions among Dr. Ryan's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure48%
  3. Asthma42%
  4. Arthritis38%
  5. Anxiety26%
  6. Mood disorders22%
  7. Depression20%
  8. Diabetes16%

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

Dr. Ryan's patients across all payers

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

Patient panel by age, all payers

Median age 36

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Walter Matthew Ryan III wrote 673 Medicare Part D claims in 2024

In 2024, Dr. Ryan wrote 673 Medicare Part D claims for 137 patients. 71% of them were for generic drugs. CMS names the drug for 578 of them, across 18 drugs with 11 or more claims each, at $77,621 in total drug cost. In 2023, CMS named 764 claims across 20 drugs.

Part D claims, 2024673
Drugs named by CMS18
Total drug cost$77,621
Part D patients137

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

  • Generic479 claims71%
  • Brand-name194 claims29%

Dr. Ryan's 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7642024: 57824%

Drugs named by CMS: 18 in 2024, 20 in 2023.

See all prescribing by Dr. Ryan

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. Walter Matthew Ryan III scored 80 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Ryan for performance year 2024, reported through an alternative payment model (APM). Dr. Ryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ryan's MIPS scores, performance year 2024

  • 80of 100Final score
  • 53.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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

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Dr. Walter Matthew Ryan III has 2 publications on record

Dmand AI links 2 papers to Dr. Ryan in 2010. Dr. Ryan's most frequent co-authors are Leonard Bielory, MD, Paula J. Busse, MD and William E. Cartwright, MD.

Papers2

Dr. Ryan's most frequent co-authors

Recent publications by Dr. Ryan

See all 2 publications and co-authors

See who Dr. Ryan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right allergys and immunology (internal medicine) physicians.

How network discovery works

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

Dr. Walter Matthew Ryan III received $9,753 in industry payments from 2016 to 2025

CMS Open Payments shows 350 general payments to Dr. Ryan from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Pharming Healthcare, Inc. paid the most, $2,417.

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

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

$9.8Kin total
  • Food and beverage$7,43476%
  • Honoraria$2,25023%
  • Education$691%

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

Share is of all general payments to this clinician.

See all payments to Dr. Ryan

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

Dr. Walter Matthew Ryan III has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Ryan, most recently AAAAI Fellow in 2013.

Awards and honors for Dr. Ryan

  1. 2013
    • AAAAI Fellow
  2. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Walter Matthew Ryan III graduated from Dr. Kiran C. Patel College of Osteopathic Medicine

Dr. Ryan graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 1993. Dr. Ryan is a member of AAAAI.

  1. Medical schoolDr. Kiran C. Patel College of Osteopathic Medicine
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in 2007 - 2026FL State License
  5. Board certified in 1994 - 1994LA State License
  6. Board certified in 2001 - 2009MA State License
  7. Board certified in 1998 - 2002MN State License
  8. Board certified in 2023 - 2027NH State License

Source: Dmand AI Professional Profile Data

Dr. Walter Matthew Ryan III accepts plans from 19 insurance carriers

Dr. Ryan is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Ryan accepts, by number of carriers

  1. PPO11
  2. HMO10
  3. Medicare9
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Walter Matthew Ryan III'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)
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. Walter Matthew Ryan III

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. Walter Matthew Ryan III's NPI number?

Dr. Walter Matthew Ryan III's NPI number is 1073503843. It was assigned on October 24, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Walter Matthew Ryan III?

Dr. Walter Matthew Ryan III is an allergy and immunology (internal medicine) physician in Miami, Florida. The primary specialty in the NPI Registry is Allergy & Immunology (Internal Medicine) Physician (taxonomy code 207RA0201X).

Where does Dr. Walter Matthew Ryan III practice?

Dr. Ryan practices at 11880 Sw 40th St, Miami, FL 33175. Dr. Ryan's primary practice is Florida Center for Allergy & Asthma Care in Miami, Florida. Dmand AI also links Dr. Ryan to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.

What is Dr. Walter Matthew Ryan III's office phone number?

The practice phone on file for Dr. Ryan is (305) 279-3366.

What is Dr. Walter Matthew Ryan III's medical license number?

Dr. Ryan holds New Hampshire license 24463, one of the licenses on file in 2 states.

Which states has Dr. Walter Matthew Ryan III been licensed in?

Dmand AI has state licenses on file for Dr. Ryan in New Hampshire and Florida.

Which hospitals is Dr. Walter Matthew Ryan III affiliated with?

Dr. Ryan is affiliated with Dartmouth Hitchcock Medical Center.

What medical group is Dr. Walter Matthew Ryan III part of?

Dr. Ryan is linked to Dartmouth Hitchcock Medical Center. Dmand AI links Dr. Ryan to 2 more medical groups.

Does Dr. Walter Matthew Ryan III accept Medicare?

Yes. CMS data shows Dr. Ryan billed Medicare for 333 services in 2024, and Dr. Ryan accepts Medicare assignment.

What is Dr. Walter Matthew Ryan III's MIPS score?

Dr. Ryan's MIPS final score for performance year 2024 is 80 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Walter Matthew Ryan III see?

CMS counts 128 Medicare patients who saw Dr. Ryan in 2024, with an average age of 67.

Is Dr. Walter Matthew Ryan III board certified?

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

What services does Dr. Walter Matthew Ryan III bill to Medicare?

In 2024, Dr. Ryan's most billed Medicare services were office visit, established patient (99215), lung function service (94010) and office visit, established patient (99214).

Where did Dr. Walter Matthew Ryan III go to medical school?

Dr. Ryan graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 1993.

What drugs does Dr. Walter Matthew Ryan III prescribe most?

In 2024 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Levocetirizine Dihydrochloride, Azelastine HCl and Fluticasone Propionate.

Has Dr. Walter Matthew Ryan III received payments from drug or device companies?

CMS Open Payments shows $9,753 in general payments to Dr. Ryan from 31 companies from 2016 to 2025. The largest total came from Pharming Healthcare, Inc.

How long has Dr. Walter Matthew Ryan III been practicing?

Dr. Ryan graduated from medical school in 1993, 33 years ago.

Does Dr. Walter Matthew Ryan III do research?

Dmand AI links 2 publications to Dr. Ryan.

Who does Dr. Walter Matthew Ryan III publish with?

Dr. Ryan's most frequent co-authors are Leonard Bielory, MD (1 shared paper), Paula J. Busse, MD (1 shared paper) and William E. Cartwright, MD (1 shared paper).

What insurance does Dr. Walter Matthew Ryan III accept?

Dr. Ryan is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to allergy and immunology practices?

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