Doctor profile · Federal record
Dr. Thynn Wai
Internal Medicine Physician (CMS: Internal Medicine) · La Mesa, CA
- NPI 1700940186
- Accepts Medicare
- MIPS 73.6 / 100 · 2023
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5525 Grossmont Center Dr
La Mesa, CA 919423009
(619) 644-6812 - Mailing address
-
2001 4Th Ave
San Diego, CA 921012303
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- January 15, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MA08144700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700940186. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
430
Distinct HCPCS
6
Medicare allowed
$42,065
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 188 | 119 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 121 | 92 | $138 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 45 | 39 | $61 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 34 | 33 | $61 | |
G0008 |
Administration of influenza virus vaccine | 23 | 23 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 19 | 19 | $75 |
In context: peer comparison
Among 15 peers in La Mesa Internal Medicine Physician, average services per provider: 106. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,292
Patients
714
Total drug cost
$36,277
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 420 | 131 | $6,450 |
| Levothyroxine Sodium | Generic | 273 | 70 | $4,775 |
| Amlodipine Besylate | Generic | 248 | 88 | $2,182 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 175 | 28 | $3,551 |
| Losartan Potassium | Generic | 163 | 56 | $3,067 |
| Omeprazole | Generic | 145 | 59 | $2,661 |
| Lisinopril | Generic | 144 | 46 | $1,186 |
| Alprazolam | Generic | 103 | 26 | $393 |
| Metformin Hcl | Generic | 103 | 33 | $1,483 |
| Metoprolol Succinate | Generic | 102 | 35 | $2,252 |
Frequently asked questions
What is Dr. Thynn Wai's medical specialty?
Dr. Thynn Wai practices Internal Medicine Physician in La Mesa, CA.
Where does Dr. Thynn Wai practice?
Dr. Thynn Wai practices at 5525 Grossmont Center Dr, La Mesa, CA 919423009. Office phone: 6196446812.
What is Dr. Thynn Wai's NPI?
Dr. Thynn Wai's National Provider Identifier (NPI) is 1700940186, issued by NPPES.
Does Dr. Thynn Wai accept Medicare assignment?
Yes. Dr. Thynn Wai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thynn Wai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.