Patty Fienen, CNP
NPI 1821366634 · Nurse Practitioner · Bartlesville, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patty Fienen, CNP is a Nurse Practitioner provider in Bartlesville, OK (NPI 1821366634).
Provider details
- NPI number
- 1821366634
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 81610 (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 tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 87 | 14 |
| Atorvastatin Calcium | 85 | 17 |
| Lisinopril | 67 | 15 |
| Duloxetine Hcl | 55 | 12 |
| Metformin Hclbrand: Metformin Hcl Er | 54 | — |
| Levothyroxine Sodium | 48 | 12 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2011-12-07
- Last updated
- 2011-12-07
Frequently asked questions
- What is Patty Fienen's NPI number?
- Patty Fienen's National Provider Identifier (NPI) is 1821366634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patty Fienen's specialty?
- Patty Fienen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patty Fienen located?
- Patty Fienen's practice location on file with NPPES is 3400 E Frank Phillips Blvd, Bartlesville, OK 74006-2495.
- What is Patty Fienen's phone number?
- The practice phone number listed in the NPPES registry for Patty Fienen is (918) 331-2577.
- Does Patty Fienen accept Medicare?
- Patty Fienen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patty Fienen's NPI active?
- Yes — Patty Fienen's NPI (1821366634) is active in the NPPES registry as of the last update on 2011-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.