Dr. Douglas F. McMahon, MD

  • Saint Paul, MN
  • Allergist and immunologist
NPI1356533293PAC ID4789836917
Medicare services, 2024
2,574
Medicare patients, 2024
93
Part D claims, 2024
935
Hospital affiliations
1
Industry payments
$40,792
Practice address
1655 Beam E Ave, Saint Paul, MN 55109
Practice phone
Call (612) 444-3247
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Allergy and Asthma Center of Minnesota

Saint Paul, Minnesota

See all 6 affiliations

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Dr. Douglas F. McMahon is an allergist and immunologist in Saint Paul, Minnesota

Dr. McMahon practices at Allergy and Asthma Center of Minnesota in Saint Paul, Minnesota.

Dr. McMahon's NPI, 1356533293, was assigned on August 14, 2007. Dr. McMahon graduated from Georgetown University School Of Medicine in 2007. Dr. McMahon's Minnesota license number on file is 55710.

NPI and contact details
Medicare PAC ID
4789836917
NPI enumeration date
August 14, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(612) 444-3247
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Douglas F. McMahon practices at Allergy and Asthma Center of Minnesota in Saint Paul, Minnesota

Dr. McMahon's primary practice is Allergy and Asthma Center of Minnesota, at 1655 Beam E Ave, Saint Paul, MN 55109 in Ramsey County. The practice phone is (612) 444-3247.

  • Allergy and Asthma Center of Minnesota
    1655 Beam E Ave, Saint Paul, MN 55109 · Ramsey CountyPhone(612) 444-3247

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

Dr. Douglas F. McMahon is affiliated with 3 sites of care and 3 medical groups

Dr. McMahon's primary practice is Allergy and Asthma Center of Minnesota in Saint Paul, Minnesota. Dr. McMahon is also affiliated with Osceola Medical Center. The medical group on file is Allergy and Asthma Center of Minnesota. Dmand AI also links Dr. McMahon to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. McMahon

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

Dmand AI tracks the EHR system at Dr. Douglas F. McMahon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMahon practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Allergy and Asthma Center of MinnesotaAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Douglas F. McMahon is one of 69 allergists and immunologists in Minnesota

Allergy and immunology is Dr. McMahon's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dmand AI has Dr. McMahon's licenses on file in 2 states: Minnesota and Wisconsin.

Specialties and state licenses

  • Allergy and immunology, MinnesotaPrimaryLicense 55710 · 2012 to 2025 · taxonomy 207K00000X
  • Wisconsin license2010 to 2025

Clinical focus

Dmand AI lists asthma, chronic nasal allergies and hives among the conditions Dr. McMahon treats.

Allergists and immunologists near Dr. McMahon

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

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

Dr. Douglas F. McMahon billed Medicare for 2,574 services in 2024

CMS data shows 2,574 Medicare services from Dr. McMahon across 8 procedure codes in 2024, for 93 Medicare patients. Medicare paid $23,167 for them. Every service was in an office.

Medicare services, 20242,574
Medicare patients93
Paid by Medicare$23,167
Procedure codes8

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

  • 2023
  • 2024
Tests and treatments
2023: 2,4902024: 2,500No change
Office and hospital visits
2023: 882024: 7416%

Dr. McMahon compared with the Minnesota median for allergists and immunologists, 2024

  • Dr. McMahon
  • Minnesota median
Medicare services
2,574vs 6444.0 times
Medicare patients
93vs 92Close to median
Part D claims
802vs 2722.9 times

Medians across 77 allergists and immunologists in Minnesota with Dmand AI profiles that report each measure.

Dr. McMahon'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. McMahon

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

Dr. Douglas F. McMahon treated 93 Medicare patients in 2024, average age 69

CMS counts 93 Medicare patients who saw Dr. McMahon in 2024. The largest group is 65 to 74, with 53 patients. 66% of them have high cholesterol, and 49% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.79, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. McMahon's median patient age at 27, with 57% women.

Medicare patients, 202493
Average age69
Average risk score0.79
Also on Medicaid12%

Dr. McMahon's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. McMahon's Medicare patients by sex, 2024

  • Women6469%
  • Men2931%

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

  1. High cholesterol66%
  2. High blood pressure49%
  3. Asthma47%
  4. Arthritis38%
  5. Mood disorders25%
  6. Anxiety19%
  7. Depression16%
  8. Ischemic heart disease15%

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

Dr. McMahon's patients across all payers

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

Patient panel by age, all payers

Median age 27

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Dr. Douglas F. McMahon wrote 935 Medicare Part D claims in 2024

In 2024, Dr. McMahon wrote 935 Medicare Part D claims for 217 patients. 57% of them were for generic drugs. CMS names the drug for 802 of them, across 24 drugs with 11 or more claims each, at $199,522 in total drug cost. In 2023, CMS named 787 claims across 21 drugs.

Part D claims, 2024935
Drugs named by CMS24
Total drug cost$199,522
Part D patients217

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

  • Generic533 claims57%
  • Brand-name402 claims43%

Dr. McMahon'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.

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

  • Antibiotics2%22 of 935 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: 7872024: 8022%

Drugs named by CMS: 24 in 2024, 21 in 2023.

See all prescribing by Dr. McMahon

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

How Dr. Douglas F. McMahon takes part in Medicare

Dr. McMahon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Douglas F. McMahon received $40,792 in industry payments from 2016 to 2025

CMS Open Payments shows 86 general payments to Dr. McMahon from 22 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 46% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $11,100.

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

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

$40.8Kin total
  • Speaker and faculty fees$18,71346%
  • Consulting fees$17,47243%
  • Travel and lodging$3,1248%
  • Food and beverage$1,4344%
  • Other$500%

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

Share is of all general payments to this clinician.

See all payments to Dr. McMahon

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

Dr. Douglas F. McMahon has 1 award and honors on record

Dmand AI lists 1 award for Dr. McMahon, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. McMahon

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Douglas F. McMahon graduated from Georgetown University School Of Medicine

Dr. McMahon graduated from Georgetown University School Of Medicine in 2007. Dr. McMahon is a member of AAAAI.

  1. Medical schoolGeorgetown University School Of Medicine

Source: Dmand AI Professional Profile Data

Dr. Douglas F. McMahon accepts plans from 18 insurance carriers

Dr. McMahon is in network with 18 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Medica
  • United Healthcare
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +10 more carriersWith a free account

Plan types Dr. McMahon accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. POS9
  4. HMO8
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Douglas F. McMahon'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)
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. Douglas F. McMahon

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. Douglas F. McMahon's NPI number?

Dr. Douglas F. McMahon's NPI number is 1356533293. It was assigned on August 14, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Douglas F. McMahon?

Dr. Douglas F. McMahon is an allergist and immunologist in Saint Paul, Minnesota. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Douglas F. McMahon practice?

Dr. McMahon practices at 1655 Beam E Ave, Saint Paul, MN 55109. Dr. McMahon's primary practice is Allergy and Asthma Center of Minnesota in Saint Paul, Minnesota. Dmand AI also links Dr. McMahon to 2 medical groups and 1 group practice or clinic.

What is Dr. Douglas F. McMahon's office phone number?

The practice phone on file for Dr. McMahon is (612) 444-3247.

What is Dr. Douglas F. McMahon's medical license number?

Dr. McMahon's Minnesota license number on file is 55710, one of the licenses on file in 2 states.

Which states has Dr. Douglas F. McMahon been licensed in?

Dmand AI has state licenses on file for Dr. McMahon in Minnesota (2012 to 2025) and Wisconsin (2010 to 2025).

Which hospitals is Dr. Douglas F. McMahon affiliated with?

Dr. McMahon is affiliated with Osceola Medical Center.

What medical group is Dr. Douglas F. McMahon part of?

Dr. McMahon is linked to Allergy and Asthma Center of Minnesota. Dmand AI links Dr. McMahon to 2 more medical groups.

Does Dr. Douglas F. McMahon accept Medicare?

Yes. CMS data shows Dr. McMahon billed Medicare for 2,574 services in 2024, and Dr. McMahon accepts Medicare assignment.

How many Medicare patients does Dr. Douglas F. McMahon see?

CMS counts 93 Medicare patients who saw Dr. McMahon in 2024, with an average age of 69.

Show 6 more questionsShow fewer questions

What services does Dr. Douglas F. McMahon bill to Medicare?

In 2024, Dr. McMahon's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).

Where did Dr. Douglas F. McMahon go to medical school?

Dr. McMahon graduated from Georgetown University School Of Medicine in 2007.

What drugs does Dr. Douglas F. McMahon prescribe most?

In 2024 Medicare Part D data, Dr. McMahon's most prescribed drugs by claims were Fluticasone Propionate, Montelukast Sodium and Albuterol Sulfate Hfa.

Has Dr. Douglas F. McMahon received payments from drug or device companies?

CMS Open Payments shows $40,792 in general payments to Dr. McMahon from 22 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has Dr. Douglas F. McMahon been practicing?

Dr. McMahon graduated from medical school in 2007, 19 years ago.

What insurance does Dr. Douglas F. McMahon accept?

Dr. McMahon is in network with 18 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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