Doctor profile · Federal record
Dr. Maria Hwang, DO
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Santa Maria, CA
- NPI 1235668849
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 9 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
220 S Palisade Dr Ste 203
Santa Maria, CA 934548903
(805) 354-7101
fax (805) 354-7102 - Additional location
-
116 S Palisade Dr Ste 103
Santa Maria, CA 934548904
(805) 922-8006
fax (805) 922-0184 - Additional location
-
210 S Palisade Dr Ste 101
Santa Maria, CA 934545932
(805) 922-0481 - Additional location
-
420 S 5Th Ave
West Reading, PA 196112143
(484) 628-8838
fax (484) 345-2393 - Mailing address
-
210 S Palisade Dr Ste 101
Santa Maria, CA 934545932
Show 1 more location
Credentials & registration
- NPI registered
- June 2017 — 9 yrs on file
- Profile last updated
- May 9, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (2)
- California #20A18799 · Pennsylvania #OT017701
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235668849. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
65
Distinct HCPCS
2
Medicare allowed
$6,682
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 25 | $99 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $122 |
In context: peer comparison
Among 3 peers in Santa Maria Obstetrics & Gynecology Physician, average services per provider: 30. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
53
Patients
0
Total drug cost
$1,742
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 33 | 0 | $1,455 |
| Progesterone (Progesterone, Micronized) | Brand | 20 | 0 | $287 |
Frequently asked questions
What is Dr. Maria Hwang's medical specialty?
Dr. Maria Hwang practices Obstetrics & Gynecology Physician in Santa Maria, CA.
Where does Dr. Maria Hwang practice?
Dr. Maria Hwang practices at 220 S Palisade Dr Ste 203, Santa Maria, CA 934548903. Office phone: 8053547101.
What is Dr. Maria Hwang's NPI?
Dr. Maria Hwang's National Provider Identifier (NPI) is 1235668849, issued by NPPES.
Does Dr. Maria Hwang accept Medicare assignment?
Yes. Dr. Maria Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.