Physician Profile
Ernestine Bustamante, M.D. practices obstetrics/gynecology in Chandler, AZ. Ernestine is a 1997 graduate of University of Arizona College of Medicine. Ernestine is also listed as specializing in obstetrics & gynecology. Medicare claims data shows Ernestine provided 81 services to 76 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous, and screening mammography. The provider's National Provider Identifier (NPI) is 1427030469.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1950 W FRYE RD
Chandler, AZ 85224
1900 W Frye Rd
Chandler, AZ 85224
4545 E Chandler Blvd Ste 208
Phoenix, AZ 85048
3420 S Mercy Rd Ste 221
Gilbert, AZ 85297
1187 E Cottonwood Ln Ste B
Casa Grande, AZ 85122
1187 E Cottonwood Ln Ste 1
Casa Grande, AZ 85122
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.
Pelvic pain and benign gynecology
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
81 services · 76 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
14 | Less often than most peers in Obstetrics/Gynecology |
| Screening 3d breast mammography | Imaging | 77063 |
14 | Less often than most peers in Obstetrics/Gynecology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
22 | As often as other peers in Obstetrics/Gynecology |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Billing code | G0328 |
19 | Less often than most peers in Obstetrics/Gynecology |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
12 | Less often than most peers in Obstetrics/Gynecology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Ernestine Bustamante is an obstetrics/gynecology in Chandler, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Ernestine Bustamante is listed at 1950 W Frye Rd, Chandler, AZ 85224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 895-9555. Contact the office directly to confirm availability and scheduling.
NPI registry
Ernestine Bustamante's National Provider Identifier is 1427030469. 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
Ernestine Bustamante attended University of Arizona College of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Ernestine Bustamante has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ernestine Bustamante performs imaging including screening mammography and screening 3d breast mammography, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Ernestine Bustamante. If this is you, claiming it is free.
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