Doctor profile · Federal record
Dr. Ann Mai, MD
Internal Medicine Physician (CMS: Internal Medicine) · Irvine, CA
- NPI 1215001904
- Accepts Medicare
- 31 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4950 Barranca Pkwy Ste 207
Irvine, CA 926048648
(949) 262-9700
fax (949) 262-0700 - Additional location
-
20072 Sw Birch St Ste 110
Newport Beach, CA 926601505
(949) 660-9972 - Mailing address
-
Po Box 13279
Newport Beach, CA 926585091
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- August 20, 2024
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A61491
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215001904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
137
Distinct HCPCS
4
Medicare allowed
$14,913
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 30 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 30 | $139 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 22 | 22 | $140 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 16 | 14 | $16 |
In context: peer comparison
Among 37 peers in Irvine Internal Medicine Physician, average services per provider: 103. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
620
Patients
97
Total drug cost
$8,927
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 117 | 33 | $1,470 |
| Levothyroxine Sodium | Generic | 78 | 19 | $1,911 |
| Losartan Potassium | Generic | 71 | 14 | $1,066 |
| Amlodipine Besylate | Generic | 38 | 0 | $372 |
| Rosuvastatin Calcium | Generic | 38 | 0 | $722 |
| Omeprazole | Generic | 36 | 11 | $755 |
| Simvastatin | Generic | 36 | 0 | $327 |
| Alprazolam | Generic | 32 | 0 | $245 |
| Lisinopril | Generic | 31 | 0 | $273 |
| Gabapentin | Generic | 30 | 0 | $266 |
Hospital affiliations
Frequently asked questions
What is Dr. Ann Mai's medical specialty?
Dr. Ann Mai practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Ann Mai practice?
Dr. Ann Mai practices at 4950 Barranca Pkwy Ste 207, Irvine, CA 926048648. Office phone: 9492629700.
What is Dr. Ann Mai's NPI?
Dr. Ann Mai's National Provider Identifier (NPI) is 1215001904, issued by NPPES.
Does Dr. Ann Mai accept Medicare assignment?
Yes. Dr. Ann Mai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Mai 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.