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DR. GREGORY A ROBERTSON M.D.
NPI 1609917418
Surgery in Chandler, AZ

Active since February 12, 2007PECOS EnrolledAccepts Medicare Assignment
1100 S DOBSON RD STE 204, CHANDLER, AZ 85286(602) 726-3606(623) 208-5075 Get Directions Write a Review

NPPES record last updated: December 6, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 6, 2024, Jul 18, 2023, Jun 7, 2022 (3 updates tracked since 2022).

About Dr. Gregory A Robertson M.d. NPPES

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

DR. GREGORY A ROBERTSON M.D. (NPI 1609917418) is an individual surgery provider in Chandler, Arizona, licensed in Arizona (17506) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1985).

NPPES Registry Identity

NPI1609917418
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. GREGORY A ROBERTSONCredential: M.D.
Location Address1100 S DOBSON RD STE 204Chandler, AZ 85286-6160
Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358
Phone(602) 726-3606
Fax(623) 208-5075
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1985
Enumeration DateFebruary 12, 2007
Last NPPES UpdateDecember 6, 20243 updates tracked since enumeration
NPPES CertifiedDecember 6, 2024
✔ NPI 1609917418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in AZ · 17506
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1100 S DOBSON RD STE 204, Chandler, AZ 85286
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Other Identifiers 1

Medicaid296170-004AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona.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

Dr. Gregory A Robertson M.d. 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 ID749200368
PECOS Enrollment IDI20051129000029
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
71 services44 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
66 services66 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
50 services49 patients
Removal of gallbladder with x-ray study of bile ducts using an endoscope 47563
This procedure, known as an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible camera (endoscope) to examine your bile ducts. If gallstones are found, your gallbladder may be removed in a separate procedure. This helps prevent future complications.
37 services37 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
35 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85286 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
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 3

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

AGAVE MATRIX LLC
Anesthesiology
1100 S DOBSON RD STE 204
CHANDLER, AZ 85286
Maricopa County (602) 582-5233
AMANDA D DAVIS PA
Physician Assistant (Surgical)
1100 S DOBSON RD STE 204
CHANDLER, AZ 85286
Maricopa County (602) 582-5233
DR. SHAWN DOUGLAS STEVENSON D.O.
Surgery
1100 S DOBSON RD STE 204
CHANDLER, AZ 85286
Maricopa County (602) 582-5233

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 Gregory Robertson's NPI number?

The NPI number for Gregory Robertson is 1609917418. It was assigned to this individual provider in the NPPES registry on February 12, 2007.

Where is Gregory Robertson located?

Gregory Robertson practices at 1100 S Dobson Rd Ste 204, Chandler, AZ 85286. The listed phone number is (602) 726-3606.

What is Gregory Robertson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Robertson enrolled in Medicare?

Yes. Gregory Robertson 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 Gregory Robertson accept?

Health plans from Antidote Health Plan of Arizona, Inc. and Blue Cross Blue Shield of Arizona list Gregory Robertson 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 Gregory Robertson was last updated on December 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.