Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mary Dianne Brown, MS, RDN, LD, CDE

Individual provider Registered Dietitian · NPI 1649586033

Mary Dianne Brown, MS, RDN, LD, CDE is registered under Registered Dietitian OR Nutrition Professional in Oklahoma City, Oklahoma. Qualified in 1978, 48 years ago. Practices with Ou Health Partners Inc, a 1,167-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
48
Licensed in
OK
In the registry since
2010
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

See every abbreviation used in this directory →

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Practice location Address checks out

1000 N Lincoln Blvd Ste 1800
Oklahoma City, OK 73104-3252 Not confirmed with CMS for 13 years — call before visiting
Phone: (405) 271-7000
Fax: (405) 271-7014
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LD 176 (OK)

Record details

NPI number1649586033
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN , LD , CDE
Sole proprietorYes
NPI enumeratedAugust 24, 2010
Last updated in NPPESMarch 19, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1978 (48 years in practice)
Group practice Ou Health Partners Inc — 1167 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients35
Services billed 125 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Ou Health Partners Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1167 clinicians in the practice; 12 are shown here.

Other providers in Oklahoma City