Terri Herrian, NP-C
NPI 1790127397 · Adult Health Nurse Practitioner · Norman, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terri Herrian, NP-C is a Adult Health Nurse Practitioner provider in Norman, OK (NPI 1790127397).
Provider details
- NPI number
- 1790127397
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 79034 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
247 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $72 |
| Evaluation of Neuropsychological Test, First Hour96132 | 19 | $103 |
| Ultrasound Study of Arm and Leg Arteries93922 | 18 | $62 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 18 | $26 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 155 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 297 | 85 |
| Levothyroxine Sodium | 261 | 85 |
| Metformin Hcl | 237 | 63 |
| Omeprazole | 225 | 75 |
| Lisinopril | 203 | 62 |
| Furosemide | 169 | 56 |
| Tirzepatidebrand: Mounjaro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,360 across 71 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-24
- Last updated
- 2013-07-24
Frequently asked questions
- What is Terri Herrian's NPI number?
- Terri Herrian's National Provider Identifier (NPI) is 1790127397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terri Herrian's specialty?
- Terri Herrian is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Terri Herrian located?
- Terri Herrian's practice location on file with NPPES is 500 E Robinson St Ste 800, Norman, OK 73071-6681.
- What is Terri Herrian's phone number?
- The practice phone number listed in the NPPES registry for Terri Herrian is (405) 321-1004.
- Does Terri Herrian accept Medicare?
- Terri Herrian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terri Herrian's NPI active?
- Yes — Terri Herrian's NPI (1790127397) is active in the NPPES registry as of the last update on 2013-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.