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Edit this profileWhere to find Maria A. Hwang, DO
- Santa Maria location main office
220 S Palisade Dr Ste 203, Santa Maria, CA 93454 - West Reading location
420 S 5th Ave, West Reading, PA 19611 - Santa Maria location
210 S Palisade Dr Ste 101, Santa Maria, CA 93454 - Santa Maria location
116 S Palisade Dr Ste 103, Santa Maria, CA 93454
About Dr. Hwang
Based in Santa Maria, CA, Maria A. Hwang, DO is listed in the NPI registry under obstetrics & gynecology. Maria graduated from West Virginia School of Osteopathic Medicine in 2017. Medicare claims data shows Maria provided 84 services to 69 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, pelvic exam, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1235668849 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 354-7101
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
220 S PALISADE DR STE 203
Santa Maria, CA 93454
420 S 5th Ave
West Reading, PA 19611
210 S Palisade Dr Ste 101
Santa Maria, CA 93454
116 S Palisade Dr Ste 103
Santa Maria, CA 93454
Conditions Commonly Evaluated or Treated
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Contraception
Fertility
High-risk or subspecialty
Infections
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
- Absent periods
- Genitourinary syndrome of menopause
- Painful periods
- Perimenopause
- Premenstrual syndrome
Pregnancy
- Ectopic pregnancy
- Gestational diabetes
- Hyperemesis gravidarum
- Miscarriage
- Placenta previa
- Postpartum depression
- Preeclampsia
- Preterm labor
Cancer and precancer
- Abnormal cervical cells and cervical dysplasia
- Cervical cancer
- Endometrial cancer
- Endometrial hyperplasia
- Ovarian cancer
Pregnancy Complications
Vaginal & Vulvar Health
Procedures & services
Diagnostic Tests
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Pregnancy and delivery
Preventive and diagnostic
- Pelvic examination
- Transvaginal ultrasound
- Well-woman examination
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Subspecialty procedures
Surgeries
Most searched procedures
Contraception and office treatment
Birth Control
Contraception
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Uterine and cervical procedures
Procedures Most Often Billed to Medicare
84 services · 69 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
34 | As often as other peers in OB-GYN |
| Pelvic exam | Office visit | 99459 |
18 | Less often than most peers in OB-GYN |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
16 | Less often than most peers in OB-GYN |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
16 | As often as other peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other OB-GYNs at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other OB-GYNs in Santa Maria 3
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at West Virginia School of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at West Virginia School of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Hwang specialize in?
Dr. Hwang is an OB-GYN in Santa Maria, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Dr. Hwang located?
Dr. Hwang is listed at 220 S Palisade Dr Ste 203, Santa Maria, CA 93454. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hwang's phone number?
The number on file is (805) 354-7101. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hwang?
Dr. Hwang's National Provider Identifier is 1235668849. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hwang go to medical school?
Dr. Hwang attended West Virginia School of Osteopathic Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hwang have?
Dr. Hwang has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hwang do most often?
According to Medicare billing data, Dr. Hwang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hwang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hwang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.