ROBERT C GRAYSON MD
NPI 1649234279
Obstetrics & Gynecology in Phoenix, AZ

Active since April 12, 2006PECOS EnrolledAccepts Medicare Assignment
16611 S 40TH ST, SUITE 180, PHOENIX, AZ 85048(480) 785-2100(480) 785-2100 Get Directions Write a Review

NPPES record last updated: September 5, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert C Grayson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT C GRAYSON MD (NPI 1649234279) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Arizona (21634) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1990).

NPPES Registry Identity

NPI1649234279
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameROBERT C GRAYSONCredential: MD
Location Address16611 S 40TH ST, SUITE 180Phoenix, AZ 85048
Mailing Address2545 W Frye Rd, Suite 9Chandler, AZ 85224-6273 · (480) 505-4258 · Fax (480) 275-8346
Fax(480) 785-2100
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1990
Enumeration DateApril 12, 2006
Last NPPES UpdateSeptember 5, 2018
NPI 1649234279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in AZ · 21634
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
16611 S 40TH ST, Phoenix, AZ 85048

Other Identifiers 1

Medicaid174996AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Robert C Grayson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082687132
PECOS Enrollment IDI20040817000352
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
63 services63 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services33 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
42 services42 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
37 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
33 services25 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
16611 S 40TH ST, SUITE 100
PHOENIX, AZ 85048
Physical Therapist
16611 S 40TH ST, SUITE 130
PHOENIX, AZ 85048
Specialist
16611 S 40TH ST, SUITE# 160
PHOENIX, AZ 85048
Clinic/Center (Physical Therapy)
16611 S 40TH ST, SUITE 130
PHOENIX, AZ 85048
Pediatrics
16611 S 40TH ST, STE 160
PHOENIX, AZ 85048
Obstetrics & Gynecology
16611 S 40TH ST, SUITE 180
PHOENIX, AZ 85048
Nurse Practitioner (Family)
16611 S 40TH ST, SUITE 180
PHOENIX, AZ 85048
Registered Nurse (Registered Nurse First Assistant)
16611 S 40TH ST, SUITE 180
PHOENIX, AZ 85048

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Grayson's NPI number?

The NPI number for Robert Grayson is 1649234279. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Robert Grayson located?

Robert Grayson practices at 16611 S 40th St Suite 180, Phoenix, AZ 85048. The listed phone number is (480) 785-2100.

What is Robert Grayson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Robert Grayson enrolled in Medicare?

Yes. Robert Grayson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Grayson accept?

Health plans from Blue Cross Blue Shield of Arizona list Robert Grayson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Robert Grayson was last updated on September 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.