DR. GARY L GRAMMENS M.D.
NPI 1528031382
Internal Medicine - Hematology & Oncology in Minneapolis, MN

NPI Status: Active since February 10, 2006

Contact Information

701 25TH AVE S
SUITE # 505
MINNEAPOLIS, MN
ZIP 55454
Phone: (612) 455-2050
Fax: (612) 455-2009

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About GARY GRAMMENS

This page provides the complete NPI Profile along with additional information for Gary Grammens, an internist established in Minneapolis, Minnesota with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1528031382 assigned on February 2006. The practitioner's primary taxonomy code is 207RH0003X with license number 22088 (MN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1528031382
Provider Name
DR. GARY L GRAMMENS M.D.
Gender
Male
Entity Type
Individual
Location Address
701 25TH AVE S SUITE # 505 MINNEAPOLIS, MN 55454
Location Phone
(612) 455-2050
Location Fax
(612) 455-2009
Mailing Address
9324 WYOMING AVE S BLOOMINGTON, MN 55438
Mailing Phone
(952) 944-1745
Is Sole Proprietor?
Yes
Enumeration Date
02-10-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Gary Grammens is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
22088
License State
MN
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
2042086OTHER (01)MNMEDICAL ASSISTANCE
D81562MEDICARE UPIN (02)MN 

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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 1528031382, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 2 → 4 0 → 0 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 0 + 3 + 2 + 3 + 1 + 6 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1528031382.

Other Providers at the Same Location


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

Orthopaedic Surgery
701 25TH AVE S, SUITE 505
MINNEAPOLIS, MN 55454
Advanced Practice Midwife
701 25TH AVE S, #402
MINNEAPOLIS, MN 55454
Advanced Practice Midwife
701 25TH AVE S, #402
MINNEAPOLIS, MN 55454
Pediatrics
701 25TH AVE S, #306
MINNEAPOLIS, MN 55454
Pediatrics
701 25TH AVE S, #306
MINNEAPOLIS, MN 55454
Obstetrics & Gynecology
701 25TH AVE S, #402
MINNEAPOLIS, MN 55454
Internal Medicine
701 25TH AVE S, SUITE 505
MINNEAPOLIS, MN 55454
Internal Medicine
701 25TH AVE S, SUITE 505
MINNEAPOLIS, MN 55454
Otolaryngology
701 25TH AVE S, SUITE 200
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, SUITE 304
MINNEAPOLIS, MN 55454
Obstetrics & Gynecology
701 25TH AVE S, #402
MINNEAPOLIS, MN 55454
Psychiatry & Neurology (Psychiatry)
701 25TH AVE S, #303
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, #500
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, #500
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, #500
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, #500
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, SUITE 502
MINNEAPOLIS, MN 55454
Audiologist-Hearing Aid Fitter
701 25TH AVE S, SUITE 200
MINNEAPOLIS, MN 55454
Physical Therapist
701 25TH AVE S, SUITE 500
MINNEAPOLIS, MN 55454
Assistant, Podiatric
701 25TH AVE S, SUITE 505
MINNEAPOLIS, MN 55454

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528031382, enumerated as an "individual" on February 10, 2006.

The provider is located at 701 25TH AVE S SUITE # 505 MINNEAPOLIS, MN 55454 and the phone number is (612) 455-2050.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.