Doctor profile · Federal record
Dr. Tammy Vermeulen, Nurse Practitioner
Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Oklahoma City, OK
- NPI 1598095143
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4221 S Western Ave Ste 4005
Oklahoma City, OK 731093436
(405) 644-5040
fax (405) 644-5039
Credentials & registration
- NPI registered
- January 2010 — 16 yrs on file
- Profile last updated
- September 28, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 363LA2100X — NUCC code
- State license (1)
- Oklahoma #77115
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598095143. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
3
Medicare allowed
$10,792
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 60 | 60 | $139 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 15 | $92 | |
99238 |
Hospital discharge day management, 30 minutes or less | 15 | 15 | $65 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 66. This provider delivers 1.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Tammy Vermeulen's medical specialty?
Dr. Tammy Vermeulen practices Acute Care Nurse Practitioner in Oklahoma City, OK.
Where does Dr. Tammy Vermeulen practice?
Dr. Tammy Vermeulen practices at 4221 S Western Ave Ste 4005, Oklahoma City, OK 731093436. Office phone: 4056445040.
What is Dr. Tammy Vermeulen's NPI?
Dr. Tammy Vermeulen's National Provider Identifier (NPI) is 1598095143, issued by NPPES.
Does Dr. Tammy Vermeulen accept Medicare assignment?
Yes. Dr. Tammy Vermeulen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Vermeulen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.