Physician Profile
Unclaimed ProfileAbout GRAYSON
Robert C Grayson, MD practises obstetrics/gynecology in Phoenix, AZ. Robert is a 1990 graduate of University of Southern California Keck School of Medicine. Robert is also listed as specialising in obstetrics & gynecology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Grayson?
Dr. Grayson is an obstetrics/gynecology in Phoenix, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
What is Dr. Grayson's address?
Dr. Grayson is listed at 16611 S 40TH ST SUITE 180, Phoenix, AZ 85048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Grayson?
The number on file is (480) 785-2100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grayson?
Dr. Grayson's National Provider Identifier is 1649234279. 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. Grayson train?
Dr. Grayson attended University of Southern California Keck School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grayson have?
Dr. Grayson has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Grayson perform?
According to Medicare billing data, Dr. Grayson performs imaging including ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina and complete ultrasound scan of pelvis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grayson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grayson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (480) 785-2100
- Email not available
Practice Locations
16611 S 40TH ST SUITE 180
Phoenix, AZ 85048
Procedures Most Often Billed to Medicare
260 services · 236 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
19 |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
17 |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Billing code | G0328 |
63 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
42 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
37 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 |
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 obstetrics/gynecology specialists at this location 2
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 obstetrics/gynecology specialists in Phoenix 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 8
Providers in AZ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.