ALLISON RACHEL BLAIR PA-C
NPI 1497932818
Physician Assistant - Medical in Chicago, IL

NPI Status: Active since January 28, 2008

Contact Information

401 N MICHIGAN AVE STE 1200
CHICAGO, IL
ZIP 60611
Phone: (872) 231-3074
Fax: (312) 635-0050

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  • Individual
  • Female
  • Years of Experience 19
  • Physician Assistant
  • Medical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ALLISON BLAIR

This page provides the complete NPI Profile along with additional information for Allison Blair, a primary care provider established in Chicago, Illinois with a medical specialization in Physician Assistant, focusing in medical and more than 19 years of experience. The healthcare provider is registered in the NPI registry with number 1497932818 assigned on January 2008. The practitioner's primary taxonomy code is 363AM0700X with license number 085-003120 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1497932818
Provider Name
ALLISON RACHEL BLAIR PA-C
Other Name
ALLISON R ELENBAAS PA-C
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
401 N MICHIGAN AVE STE 1200 CHICAGO, IL 60611
Location Phone
(872) 231-3074
Location Fax
(312) 635-0050
Mailing Address
PO BOX 74008272 CHICAGO, IL 60674
Mailing Phone
(702) 899-0595
Mailing Fax
(312) 635-0050
Medical School Name
OTHER
Graduation Year
2007
Is Sole Proprietor?
Yes
Enumeration Date
01-28-2008
Last Update Date
10-03-2025
Code Navigator

A primary care provider (PCP) like Allison Blair sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Secondary Locations

  • 355 E Erie St
    Chicago, IL 60611
    (312) 238-1000
  • 9600 Gross Point Rd
    Skokie, IL 60076
    (847) 677-9600

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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
085-003120
License State
IL

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)
1363AS0400XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Surgical

085-003120 (IL)

Medicare Participation & PECOS Enrollment Status

Allison Blair 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.

Allison Blair 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: 7719064930

    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: I20080411000169

    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

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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 1497932818, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 9 → 18 → 9 9 → 18 → 9 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 3 + 4 + 8 + 2 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1497932818.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Counselor (Professional)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Social Worker (Clinical)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Social Worker (Clinical)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physician Assistant
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Nurse Practitioner (Family)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physical Medicine & Rehabilitation
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Nurse Practitioner
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Internal Medicine (Sleep Medicine)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physical Medicine & Rehabilitation
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physical Medicine & Rehabilitation
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Counselor (Mental Health)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Nurse Practitioner
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Nurse Practitioner (Psychiatric/Mental Health)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physical Medicine & Rehabilitation
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Nurse Practitioner (Psychiatric/Mental Health)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Counselor (Mental Health)
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Clinic/Center (Mental Health (Including Community Mental Health Center))
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611
Physician Assistant
401 N MICHIGAN AVE STE 1200
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497932818, enumerated as an "individual" on January 28, 2008.

The provider is located at 401 N MICHIGAN AVE STE 1200 CHICAGO, IL 60611 and the phone number is (872) 231-3074.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.