Doctor profile · Federal record
Dr. Kay Thi Oo, MD
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Springfield, MA
- NPI 1184110538
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
759 Chestnut St
Springfield, MA 011071619
(413) 794-6297
fax (413) 794-1767 - Mailing address
-
280 Chestnut St, 2Nd Floor
Springfield, MA 011991001
Credentials & registration
- NPI registered
- July 2018 — 8 yrs on file
- Profile last updated
- May 27, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #287430
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184110538. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
723
Distinct HCPCS
4
Medicare allowed
$81,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 401 | 190 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 183 | 101 | $80 | |
99239 |
Hospital discharge day management, more than 30 minutes | 99 | 97 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 39 | $175 |
In context: peer comparison
Among 83 peers in Springfield Internal Medicine Physician, average services per provider: 126. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
12
Total drug cost
$111
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 13 | 12 | $111 |
Hospital affiliations
Frequently asked questions
What is Dr. Kay Thi Oo's medical specialty?
Dr. Kay Thi Oo practices Internal Medicine Physician in Springfield, MA.
Where does Dr. Kay Thi Oo practice?
Dr. Kay Thi Oo practices at 759 Chestnut St, Springfield, MA 011071619. Office phone: 4137946297.
What is Dr. Kay Thi Oo's NPI?
Dr. Kay Thi Oo's National Provider Identifier (NPI) is 1184110538, issued by NPPES.
Does Dr. Kay Thi Oo accept Medicare assignment?
Yes. Dr. Kay Thi Oo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kay Thi Oo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.