Provider Profile
Erin M. Williamson, R.N., MSN, APRN is a nurse practitioner practicing in Tulsa, OK. Erin is also listed as specializing in nurse practitioner — adult health. Medicare claims data shows Erin provided 359 services to 344 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1145 S. UTICA AVE. SUITE 701
Tulsa, OK 74104
359 services · 344 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
16 | Less often than most peers in Nurse Practitioner |
| Study of esophagus to assess movement | Treatment | 91010 |
45 | Too few peers to compare |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
32 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
102 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
100 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
52 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Erin M. Williamson, R.N., MSN is a nurse practitioner in Tulsa, OK. That is the designation recorded for this NPI in the federal registry.
NPI registry
Erin M. Williamson, R.N., MSN is listed at 1145 S. Utica Ave. Suite 701, Tulsa, OK 74104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (918) 582-6544. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Erin M. Williamson, R.N., MSN's National Provider Identifier is 1487884995. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Erin M. Williamson, R.N., MSN attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Erin M. Williamson, R.N., MSN has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Erin M. Williamson, R.N., MSN performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as study of esophagus to assess movement and monitoring and recording of esophageal function through nasal tube with electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Erin M. Williamson, R.N., MSN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.