Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. JANI ANN VAN GREVENHOF MS, RD/LD, CDE
NPI 1790778686
Dietitian, Registered in Oklahoma City, OK

Q: What is Jani Van Grevenhof's NPI number?

The NPI number for Jani Van Grevenhof is 1790778686. It was assigned to this individual provider in the NPPES registry on August 25, 2005. The provider is also known as Jani Ann Tuttle.

Q: What is Jani Van Grevenhof's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Active since August 25, 2005

1600 N PHILLIPS AVE, COAH NUTRITION COUNSELING CLINIC, OKLAHOMA CITY, OK 73104(405) 271-2113(405) 271-1560 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mrs. Jani Ann Van Grevenhof Ms, Rd/ld, Cde NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. JANI ANN VAN GREVENHOF MS, RD/LD, CDE (NPI 1790778686) is an individual dietitian, registered in Oklahoma City, Oklahoma, licensed in Oklahoma (LD 999) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1790778686

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMRS. JANI ANN VAN GREVENHOFCredential: MS, RD/LD, CDE

Location Address1600 N PHILLIPS AVE, COAH NUTRITION COUNSELING CLINICOklahoma City, OK 73104-4619

Mailing AddressDepartment Of Nutritional Sciences, Po Box 26901, Chb 469Oklahoma City, OK 73190-0001 · (405) 271-2113 · Fax (405) 271-1560

Phone(405) 271-2113

Fax(405) 271-1560

Sole ProprietorNo

Enumeration DateAugust 25, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1790778686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in OK · LD 999

Definition

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.

1600 N PHILLIPS AVE, Oklahoma City, OK 73104

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Other Names 1

Former Name (1)Jani Ann Tuttle

Other Identifiers 1

Other7571472OK · Aetna

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CYNTHIA A ROBINSON OT

Occupational Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-2131

LORRAINE SYLVESTER PT

Physical Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-3625

MRS. LYNDA ELAINE CROUCH M.O.T.,O.T.R/L, ATP

Occupational Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-3625

CAROLYN K CRAVEN PT

Physical Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-8001

STATE OF OK, BOARD OF REGENTS, UNIVERSITY OF OK HEALTH SCIENCES CENTER

Dietitian, Registered

1600 N PHILLIPS AVE, COAH NUTRITION COUNSELING CLINIC
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-2113

OKLAHOMA ASSISTIVE TECHNOLOGY CENTER

Clinic/Center (Developmental Disabilities)

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-3625

DENISE G BENDER PT, MED, JD, GCS

Physical Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-2131

SHIRLEY A JAMES

Physical Therapist

1600 N PHILLIPS AVE
OKLAHOMA CITY, OK 73104

Oklahoma County (405) 271-3625

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jani Van Grevenhof's NPI number?

The NPI number for Jani Van Grevenhof is 1790778686. It was assigned to this individual provider in the NPPES registry on August 25, 2005. The provider is also known as Jani Ann Tuttle.

Where is Jani Van Grevenhof located?

Jani Van Grevenhof practices at 1600 N Phillips Ave Coah Nutrition Counseling Clinic, Oklahoma City, OK 73104. The listed phone number is (405) 271-2113.

What is Jani Van Grevenhof's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Jani Van Grevenhof was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.