Cathy E Nieman, MD Inc
NPI 1588868327 · Internal Medicine Physician · Stillwater, OK
Cathy E Nieman, MD Inc is a Internal Medicine Physician organization in Stillwater, OK (NPI 1588868327).
Provider details
- NPI number
- 1588868327
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Cathy Nieman, Medical Doctor(405) 372-4646
- License
- 20253 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Other names (DBA / former)
- Other name
- Cathy E Nieman, MD
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2008-11-03
Frequently asked questions
- What is Cathy E Nieman, MD Inc's NPI number?
- Cathy E Nieman, MD Inc's National Provider Identifier (NPI) is 1588868327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cathy E Nieman, MD Inc?
- Cathy E Nieman, MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cathy E Nieman, MD Inc located?
- Cathy E Nieman, MD Inc's practice location on file with NPPES is 821 S Walnut St, Stillwater, OK 74074-4226.
- What is Cathy E Nieman, MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Cathy E Nieman, MD Inc is (405) 372-4646.
- Who is the authorized official for Cathy E Nieman, MD Inc?
- The authorized official listed on Cathy E Nieman, MD Inc's NPPES record is Cathy Nieman, Medical Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cathy E Nieman, MD Inc's NPI active?
- Yes — Cathy E Nieman, MD Inc's NPI (1588868327) is active in the NPPES registry as of the last update on 2008-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.