DOUGLAS F MCMAHON M.D.
NPI 1356533293
Allergy & Immunology in Maplewood, MN

NPI Status: Active since August 14, 2007

Contact Information

1655 BEAM AVE
SUITE 108
MAPLEWOOD, MN
ZIP 55109
Phone: (612) 444-3247
Fax: (612) 888-9247

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  • Individual
  • Male
  • Years of Experience 19
  • Allergy & Immunology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DOUGLAS MCMAHON

This page provides the complete NPI Profile along with additional information for Douglas Mcmahon, a provider established in Maplewood, Minnesota with a medical specialization in Allergy & Immunology and more than 19 years of experience. He graduated from Georgetown University School Of Medicine in 2007. The healthcare provider is registered in the NPI registry with number 1356533293 assigned on August 2007. The practitioner's primary taxonomy code is 207K00000X with license number 55710 (MN). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1356533293
Provider Name
DOUGLAS F MCMAHON M.D.
Gender
Male
Entity Type
Individual
Location Address
1655 BEAM AVE SUITE 108 MAPLEWOOD, MN 55109
Location Phone
(612) 444-3247
Location Fax
(612) 888-9247
Mailing Address
1655 BEAM AVE SUITE 108 MAPLEWOOD, MN 55109
Mailing Phone
(612) 444-3247
Mailing Fax
(612) 888-9247
Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2007
Is Sole Proprietor?
No
Enumeration Date
08-14-2007
Last Update Date
02-25-2015
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
55710
License State
MN
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

55710 (MN)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) - POS
  • Anthem Bronze Preferred/Broad HSA (+ Incentives) - POS
  • Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) - POS
  • Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) - POS
  • Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Atlas $1,300 Gold - PPO
  • Atlas $2,000 Standard Gold - PPO
  • Atlas $3,050 Plus Silver - PPO
  • Atlas $3,800 HSA Silver - PPO
  • Atlas $6,000 Standard Silver - PPO
  • Atlas $6,800 Plus Bronze HSA - PPO
  • Atlas $7,500 Standard Bronze HSA - PPO
  • Atlas $8,400 HSA Bronze - PPO
  • Oak $1,300 Gold - PPO
  • Oak $2,000 Standard Gold - PPO
  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze HSA - EPO
  • Medica Individual Choice Bronze Share - EPO
  • Medica Individual Choice Bronze Share - HMO
  • Medica Individual Choice Expanded Bronze Standard - EPO
  • Medica Individual Choice Expanded Bronze Standard - HMO
  • Medica Individual Choice Gold $0 Copay PCP Visits - EPO
  • Medica Individual Choice Gold $0 Copay PCP Visits - HMO
  • Medica Individual Choice Gold Share - EPO
  • Medica Individual Choice Gold Share - HMO
  • Medica Individual Choice Gold Standard - EPO
  • Medica Individual Choice Gold Standard - HMO
  • Medica Individual Choice Silver $0 Copay PCP Visits - EPO
  • Medica Individual Choice Silver $0 Copay PCP Visits - HMO
  • Medica Individual Choice Silver Share - EPO
  • Medica Individual Choice Silver Share - HMO
  • Medica Individual Choice Silver Standard - EPO
  • Medica Individual Choice Silver Standard - HMO
  • Premier $2,000 - 25% - HMO
  • Premier $3,500 - 30% - HMO
  • Premier $4,000 - 50% - HMO
  • Premier $5,000 HDHP - HMO
  • Premier $6,000 - 40% - HMO
  • Premier $7,500 - HMO
  • Premier $7,500 HDHP - HMO
  • Premier HMO $1,500 - 30% - HMO
  • Premier HMO $2,500 - 20% Copay - HMO
  • Premier HMO $3,400 - 30% HDHP - HMO
  • Premier HMO $3,500 - 30% - HMO
  • Premier HMO $3,500 HDHP - HMO
  • Premier HMO $4,000 - 20% HDHP - HMO
  • Premier HMO $5,000 - 20% HDHP - HMO
  • Premier HMO $5,500 - 40% Copay - HMO
  • Premier HMO $7,500 HDHP - HMO
  • Premier HMO $750 - 10% - HMO
  • Premier HMO $9,500 - HMO
  • Premier POS $1,500 - 30% - POS
  • Premier POS $2,500 - 20% Copay - POS

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Douglas Mcmahon is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Douglas Mcmahon is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4789836917

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20121214000086, I20220525000881

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 20 times for 16 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 24 times for 24 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 15 times for 15 patients

Professional service for multiple injections of allergen

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

This service was performed 410 times for 29 patients

Professional service for preparation and provision of 1 or more antigens

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

This service was performed 710 times for 25 patients

Professional service for single injection of allergen

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

This service was performed 132 times for 11 patients

Test for allergy using allergenic extract

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

This service was performed 837 times for 23 patients

Test for allergy using allergenic extract injected into skin

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

This service was performed 106 times for 11 patients

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1356533293, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 5 → 10 → 1 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 1 + 0 + 6 + 1 + 0 + 3 + 6 + 2 + 1 + 8 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1356533293.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Urology
1655 BEAM AVE, SUITE 206
MAPLEWOOD, MN 55109
Obstetrics & Gynecology
1655 BEAM AVE, NUMBER 102
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Physician Assistant
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Pediatrics
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Pediatrics
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Pediatrics
1655 BEAM AVE, SUITE 202
MAPLEWOOD, MN 55109
Pediatrics
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Neonatal)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner (Pediatrics)
1655 BEAM AVE, SUITE 302
MAPLEWOOD, MN 55109
Nurse Practitioner
1655 BEAM AVE, SUITE 202
MAPLEWOOD, MN 55109
Nurse Anesthetist, Certified Registered
1655 BEAM AVE
SAINT PAUL, MN 55109
Nurse Anesthetist, Certified Registered
1655 BEAM AVE
MAPLEWOOD, MN 55109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1356533293, enumerated as an "individual" on August 14, 2007.

The provider is located at 1655 BEAM AVE SUITE 108 MAPLEWOOD, MN 55109 and the phone number is (612) 444-3247.

Allergy & Immunology with taxonomy code 207K00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, HealthPartners,. Please consult your insurance carrier or call the provider to verify.