Doctor profile · Federal record
Dr. Diana Oakes, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Chicago, IL
- NPI 1154377588
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
251 E Huron St
Chicago, IL 606113055
(312) 695-7970 - Mailing address
-
541 N Fairbanks CT Ste 1700
Chicago, IL 606114644
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 21, 2018
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Illinois #209-005459
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154377588. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
632
Distinct HCPCS
5
Medicare allowed
$49,316
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 446 | 181 | $71 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 80 | 80 | $118 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 60 | 42 | $45 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 23 | $108 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $157 |
In context: peer comparison
Among 231 peers in this city , average services per provider: 226. This provider delivers 2.8× the peer median.Frequently asked questions
What is Dr. Diana Oakes's medical specialty?
Dr. Diana Oakes practices Family Nurse Practitioner in Chicago, IL.
Where does Dr. Diana Oakes practice?
Dr. Diana Oakes practices at 251 E Huron St, Chicago, IL 606113055. Office phone: 3126957970.
What is Dr. Diana Oakes's NPI?
Dr. Diana Oakes's National Provider Identifier (NPI) is 1154377588, issued by NPPES.
Does Dr. Diana Oakes accept Medicare assignment?
Yes. Dr. Diana Oakes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Oakes commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.