Doctor profile · Federal record
Dr. I Kawei Day, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Montery Dark, CA
- NPI 1437219581
- Accepts Medicare
- 55 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Garfield Medical Sq Suite 110 500 N Garfield Ave
Montery Dark, CA 91754
(626) 307-3732 - Mailing address
-
Po Box 651
Alhambra, CA 91802
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #A43558
- Medicaid
- CA #00A435580
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437219581. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,012
Distinct HCPCS
4
Medicare allowed
$384,399
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 2,403 | 266 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 333 | 266 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 262 | 92 | $83 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 12 | $86 |
In context: peer comparison
Among 1 peers in Montery Dark Pulmonary Disease Physician, average services per provider: 753. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$250
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eisai INC. | 1 | $125.00 | |
| Amgen INC. | 1 | $124.99 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. I Kawei Day's medical specialty?
Dr. I Kawei Day practices Pulmonary Disease Physician in Montery Dark, CA.
Where does Dr. I Kawei Day practice?
Dr. I Kawei Day practices at Garfield Medical Sq Suite 110 500 N Garfield Ave, Montery Dark, CA 91754. Office phone: 6263073732.
What is Dr. I Kawei Day's NPI?
Dr. I Kawei Day's National Provider Identifier (NPI) is 1437219581, issued by NPPES.
Does Dr. I Kawei Day accept Medicare assignment?
Yes. Dr. I Kawei Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. I Kawei Day commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.