OrganizationActive
Richard C. Greyson, M.D., a Professional Corporation
NPI 1356650675 · Specialist · Oklahoma City, OK
Richard C. Greyson, M.D., a Professional Corporation is a Specialist organization in Oklahoma City, OK (NPI 1356650675).
Provider details
- NPI number
- 1356650675
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Richard Greyson, President(405) 232-2702
- License
- 10537 (OK)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1110 N Classen Blvd Ste 301
Oklahoma City, OK 73106-6842
Phone: (405) 232-2702
Fax: (405) 272-0839
Street-level locationGet directions
Mailing address
1110 N Classen Blvd Ste 301
Oklahoma City, OK 73106-6842
Registry dates
- Enumerated
- 2010-10-04
- Last updated
- 2010-10-04
Frequently asked questions
- What is Richard C. Greyson, M.D., a Professional Corporation's NPI number?
- Richard C. Greyson, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1356650675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Richard C. Greyson, M.D., a Professional Corporation?
- Richard C. Greyson, M.D., a Professional Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Richard C. Greyson, M.D., a Professional Corporation located?
- Richard C. Greyson, M.D., a Professional Corporation's practice location on file with NPPES is 1110 N Classen Blvd Ste 301, Oklahoma City, OK 73106-6842.
- What is Richard C. Greyson, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Richard C. Greyson, M.D., a Professional Corporation is (405) 232-2702.
- Who is the authorized official for Richard C. Greyson, M.D., a Professional Corporation?
- The authorized official listed on Richard C. Greyson, M.D., a Professional Corporation's NPPES record is Richard Greyson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Richard C. Greyson, M.D., a Professional Corporation's NPI active?
- Yes — Richard C. Greyson, M.D., a Professional Corporation's NPI (1356650675) is active in the NPPES registry as of the last update on 2010-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.