Dr. Gregory Lowell Whitaker, DO
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 47
- MIPS score, 2024
- 96
- Hospital affiliations
- 2
- Industry payments
- $960
- Practice address
- Sallie, Goodyear, AZ 85395
- Practice phone
- Call (623) 882-1970
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Whitaker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Lowell Whitaker is an anesthesiologist in Goodyear, Arizona
Dr. Whitaker practices at Abrazo West Campus in Goodyear, Arizona, part of Tenet Healthcare.
Dr. Whitaker's NPI, 1114906336, was assigned on January 16, 2006. Dr. Whitaker graduated from Nova Southeastern College of Osteo Medicine in 2001. Dr. Whitaker holds Indiana license 02004381A.
- NPI
- 1114906336NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688726649
- NPI enumeration date
- January 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (623) 882-1970
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lowell Whitaker practices at 2 locations in Goodyear, Arizona
Dr. Whitaker's primary practice is Abrazo West Campus, at Sallie, Goodyear, AZ 85395 in Maricopa County. The practice phone is (623) 882-1970. Dr. Whitaker also practices at Abrazo West Campus, 13677 W McDowell Rd, Goodyear, AZ 85395.
- Abrazo West CampusPrimarySallie, Goodyear, AZ 85395 · Maricopa CountyPhone(623) 882-1970
- Abrazo West Campus13677 W McDowell Rd, Goodyear, AZ 85395 · Maricopa CountyPhone(623) 882-1505
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gregory Lowell Whitaker is affiliated with 3 sites of care and 5 medical groups
Dr. Whitaker's primary practice is Abrazo West Campus in Goodyear, Arizona, part of Tenet Healthcare. Dr. Whitaker is also affiliated with IU Health Methodist Hospital. The medical group on file is District Medical Group. Dmand AI also links Dr. Whitaker to 4 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Lowell Whitaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whitaker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Abrazo West Campus | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Lowell Whitaker is one of 1,244 anesthesiologists in Arizona
Anesthesiology is Dr. Whitaker's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Whitaker's licenses on file in 3 states: Indiana, Arizona and Texas.
Specialties and state licenses
- Anesthesiology, IndianaPrimary
- Arizona license
- Texas license
Anesthesiologists near Dr. Whitaker
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Lowell Whitaker billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Whitaker across 1 procedure code in 2024, for 47 Medicare patients. Medicare paid $2,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Whitaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 812024: 1285%
Dr. Whitaker compared with the Arizona median for anesthesiologists, 2024
- Dr. Whitaker
- Arizona median
- Medicare services
- 12vs 7283% below
- Medicare patients
- 47vs 13365% below
Medians across 1,218 anesthesiologists in Arizona with Dmand AI profiles that report each measure.
Dr. Whitaker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Lowell Whitaker treated 47 Medicare patients in 2024, average age 68
CMS counts 47 Medicare patients who saw Dr. Whitaker in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Whitaker's median patient age at 27, with 50% women.
Dr. Whitaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Whitaker's Medicare patients by sex, 2024
- Women1838%
- Men2962%
Chronic conditions among Dr. Whitaker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Mood disorders49%
- Anxiety47%
- Arthritis47%
- Depression45%
- Diabetes43%
- Cancer34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Whitaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Lowell Whitaker scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Whitaker for performance year 2024, reported as part of a group. Dr. Whitaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Whitaker's MIPS scores, performance year 2024
- 96of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory Lowell Whitaker received $960 in industry payments from 2016 to 2021
CMS Open Payments shows 11 general payments to Dr. Whitaker from 6 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Acacia Pharma Inc paid the most, $306.
General payments to Dr. Whitaker by program year, 2016 to 2021
Companies that paid Dr. Whitaker the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Lowell Whitaker graduated from Nova Southeastern College of Osteo Medicine
Dr. Whitaker graduated from Nova Southeastern College of Osteo Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Lowell Whitaker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Lowell Whitaker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Lowell Whitaker's NPI number?
Dr. Gregory Lowell Whitaker's NPI number is 1114906336. It was assigned on January 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Lowell Whitaker?
Dr. Gregory Lowell Whitaker is an anesthesiologist in Goodyear, Arizona. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory Lowell Whitaker practice?
Dr. Whitaker practices at Sallie, Goodyear, AZ 85395. Dr. Whitaker also practices at 13677 W McDowell Rd, Goodyear, AZ 85395. Dr. Whitaker's primary practice is Abrazo West Campus in Goodyear, Arizona, part of Tenet Healthcare. Dmand AI also links Dr. Whitaker to 4 medical groups and 1 group practice or clinic.
What is Dr. Gregory Lowell Whitaker's office phone number?
The practice phone on file for Dr. Whitaker is (623) 882-1970.
What is Dr. Gregory Lowell Whitaker's medical license number?
Dr. Whitaker holds Indiana license 02004381A, one of the licenses on file in 3 states.
Which states has Dr. Gregory Lowell Whitaker been licensed in?
Dmand AI has state licenses on file for Dr. Whitaker in Indiana, Arizona and Texas.
Which hospitals is Dr. Gregory Lowell Whitaker affiliated with?
Dr. Whitaker practices at Abrazo West Campus in Goodyear, Arizona. Dr. Whitaker is also affiliated with IU Health Methodist Hospital.
What medical group is Dr. Gregory Lowell Whitaker part of?
Dr. Whitaker is linked to District Medical Group. Dmand AI links Dr. Whitaker to 4 more medical groups.
Does Dr. Gregory Lowell Whitaker accept Medicare?
Yes. CMS data shows Dr. Whitaker billed Medicare for 12 services in 2024, and Dr. Whitaker accepts Medicare assignment.
What is Dr. Gregory Lowell Whitaker's MIPS score?
Dr. Whitaker's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Gregory Lowell Whitaker see?
CMS counts 47 Medicare patients who saw Dr. Whitaker in 2024, with an average age of 68.
What services does Dr. Gregory Lowell Whitaker bill to Medicare?
In 2024, Dr. Whitaker's most billed Medicare services were anesthesia (01922).
Where did Dr. Gregory Lowell Whitaker go to medical school?
Dr. Whitaker graduated from Nova Southeastern College of Osteo Medicine in 2001.
Has Dr. Gregory Lowell Whitaker received payments from drug or device companies?
CMS Open Payments shows $960 in general payments to Dr. Whitaker from 6 companies from 2016 to 2021. The largest total came from Acacia Pharma Inc.
How long has Dr. Gregory Lowell Whitaker been practicing?
Dr. Whitaker graduated from medical school in 2001, 25 years ago.
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