TINA K MCGREW MS, RD, LD
NPI 1700862976
Dietitian, Registered in Boise, ID

NPI Status: Active since December 20, 2005

Contact Information

100 HOSPITAL DR
BOISE, ID
ZIP 83340
Phone: (208) 727-8356
Fax: (208) 727-8357

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  • Individual
  • Female
  • Years of Experience 22
  • Dietitian, Registered
  • May Accept Medicare Approved Payment

About TINA MCGREW

This page provides the complete NPI Profile along with additional information for Tina Mcgrew, a provider established in Boise, Idaho with a medical specialization in Dietitian, Registered and more than 22 years of experience. The healthcare provider is registered in the NPI registry with number 1700862976 assigned on December 2005. The practitioner's primary taxonomy code is 133V00000X with license number D-918 (ID). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1700862976
Provider Name
TINA K MCGREW MS, RD, LD
Gender
Female
Entity Type
Individual
Location Address
100 HOSPITAL DR BOISE, ID 83340
Location Phone
(208) 727-8356
Location Fax
(208) 727-8357
Mailing Address
190 E BANNOCK ST BOISE, ID 83712
Medical School Name
OTHER
Graduation Year
2004
Is Sole Proprietor?
Yes
Enumeration Date
12-20-2005
Last Update Date
02-20-2026
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Location Map

Secondary Locations

  • 1581 Red Feather Way
    Hailey, ID 83333
    (208) 928-4152

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

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
D-918
License State
ID
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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)
1133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

LD-D-10237123 (OR)
2133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

178 (AK)
3133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

5754 (MN)
4133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

9434803-4091 (UT)
5133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

164.009935 (IL)

Medicare Participation & PECOS Enrollment Status

Tina Mcgrew is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

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.

  • PECOS PAC ID: 1557868916

    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: I20251010000326

    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? Maybe

    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.

Reviews for TINA K MCGREW MS, RD, LD

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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 1700862976, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 0 → 0 8 → 16 → 7 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 1 + 6 + 6 + 4 + 9 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1700862976.

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

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Obstetrics & Gynecology
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Surgery
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Internal Medicine
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Anesthesiology
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Orthopaedic Surgery (Hand Surgery)
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Speech-Language Pathologist
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Nurse Practitioner (Family)
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Nurse Anesthetist, Certified Registered
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Pharmacist
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Emergency Medicine
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Emergency Medicine
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Emergency Medicine
100 HOSPITAL DR
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Emergency Medicine
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Dietitian, Registered
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Emergency Medicine
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Medicare Defined Swing Bed Unit
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General Acute Care Hospital (Critical Access)
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700862976, enumerated as an "individual" on December 20, 2005.

The provider is located at 100 HOSPITAL DR BOISE, ID 83340 and the phone number is (208) 727-8356.

Dietitian, Registered with taxonomy code 133V00000X.