Erin Williamson, R.N.,MSN,APRN
NPI 1487884995 · Nurse Practitioner · Tulsa, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Williamson, R.N.,MSN,APRN is a Nurse Practitioner provider in Tulsa, OK (NPI 1487884995).
Provider details
- NPI number
- 1487884995
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- R.N.,MSN,APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 5374935091 (KS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 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
359 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 | 102 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $132 |
| Study of Esophagus to Assess Movement91010 | 45 | $118 |
| Monitoring and Recording of Esophageal Function Through Nasal Tube With Electrode91037 | 32 | $79 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 188 | 76 |
| Omeprazole | 96 | 37 |
| Linaclotidebrand: Linzess | 78 | 18 |
| Lipase/Protease/Amylasebrand: Creon | 60 | 12 |
| Ondansetronbrand: Ondansetron Odt | 47 | 17 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 47 | 45 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,176 across 102 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
- 2009-07-17
- Last updated
- 2014-05-06
Frequently asked questions
- What is Erin Williamson's NPI number?
- Erin Williamson's National Provider Identifier (NPI) is 1487884995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Williamson's specialty?
- Erin Williamson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Williamson located?
- Erin Williamson's practice location on file with NPPES is 1145 S. Utica Ave., Tulsa, OK 74104.
- What is Erin Williamson's phone number?
- The practice phone number listed in the NPPES registry for Erin Williamson is (918) 582-6544.
- Does Erin Williamson accept Medicare?
- Erin Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Williamson's NPI active?
- Yes — Erin Williamson's NPI (1487884995) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.