Dr. Gregory Wayne Mellor, MD
- Medicare services, 2024
- 626
- Medicare patients, 2024
- 476
- Affiliated sites
- 2
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 590 West Putnam Avenue, Porterville, CA 93257
- Practice phone
- Call (559) 781-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sequoia Family Medical Center - Porterville
Rural Health Clinic - Independent · Porterville, California
Find Dr. Mellor'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 Wayne Mellor is a diagnostic radiologist in Porterville, California
Dr. Mellor practices at Sequoia Family Medical Center - Porterville in Porterville, California.
Dr. Mellor's NPI, 1548333982, was assigned on November 15, 2006. Dr. Mellor graduated from UMKC School of Medicine in 1977. Dr. Mellor's California license number on file is G40981.
- NPI
- 1548333982NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911075528
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 781-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Wayne Mellor practices at Sequoia Family Medical Center - Porterville in Porterville, California
Dr. Mellor's primary practice is Sequoia Family Medical Center - Porterville, at 590 West Putnam Avenue, Porterville, CA 93257. The practice phone is (559) 781-3700.
- Sequoia Family Medical Center - Porterville590 West Putnam Avenue, Porterville, CA 93257Phone(559) 781-3700
Source: Dmand AI Affiliation Data
Dr. Gregory Wayne Mellor is affiliated with 2 sites of care
Dr. Mellor's primary practice is Sequoia Family Medical Center - Porterville in Porterville, California. Dmand AI also links Dr. Mellor to 1 physician office, 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 Wayne Mellor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mellor practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sequoia Family Medical Center - Porterville | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Wayne Mellor is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Mellor's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Mellor is board certified in diagnostic radiology by the American Board of Radiology. Dr. Mellor has a license on file in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Mellor
Counts of diagnostic radiologists 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 Wayne Mellor billed Medicare for 626 services in 2024
CMS data shows 626 Medicare services from Dr. Mellor across 18 procedure codes in 2024, for 476 Medicare patients. Medicare paid $19,082 for them. Every service was in an office.
Dr. Mellor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4082024: 62653%
Dr. Mellor compared with the California median for diagnostic radiologists, 2024
- Dr. Mellor
- California median
- Medicare services
- 626vs 2,28173% below
- Medicare patients
- 476vs 1,34665% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Mellor'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mellor and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Wayne Mellor treated 476 Medicare patients in 2024, average age 72
CMS counts 476 Medicare patients who saw Dr. Mellor in 2024. The largest group is 65 to 74, with 220 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mellor's median patient age at 34, with 73% women.
Dr. Mellor's Medicare patients by age, 2024
Dr. Mellor's Medicare patients by sex, 2024
- Women28560%
- Men19140%
Chronic conditions among Dr. Mellor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis57%
- Diabetes46%
- Ischemic heart disease35%
- Chronic kidney disease28%
- Anxiety26%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mellor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Wayne Mellor takes part in Medicare
Dr. Mellor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Wayne Mellor graduated from UMKC School of Medicine
Dr. Mellor graduated from UMKC School of Medicine in 1977.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Gregory Wayne Mellor accepts plans from 1 insurance carrier
Dr. Mellor is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Wayne Mellor'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 | Dmand AI Affiliation 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Wayne Mellor
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 Wayne Mellor's NPI number?
Dr. Gregory Wayne Mellor's NPI number is 1548333982. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Wayne Mellor?
Dr. Gregory Wayne Mellor is a diagnostic radiologist in Porterville, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Gregory Wayne Mellor practice?
Dr. Mellor practices at 590 West Putnam Avenue, Porterville, CA 93257. Dr. Mellor's primary practice is Sequoia Family Medical Center - Porterville in Porterville, California. Dmand AI also links Dr. Mellor to 1 physician office.
What is Dr. Gregory Wayne Mellor's office phone number?
The practice phone on file for Dr. Mellor is (559) 781-3700.
What is Dr. Gregory Wayne Mellor's medical license number?
Dr. Mellor's California license number on file is G40981.
Does Dr. Gregory Wayne Mellor accept Medicare?
Yes. CMS data shows Dr. Mellor billed Medicare for 626 services in 2024, and Dr. Mellor accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Wayne Mellor see?
CMS counts 476 Medicare patients who saw Dr. Mellor in 2024, with an average age of 72.
Is Dr. Gregory Wayne Mellor board certified?
Yes. Dr. Mellor is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Gregory Wayne Mellor bill to Medicare?
In 2024, Dr. Mellor's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (73562) and diagnostic imaging (73030).
Where did Dr. Gregory Wayne Mellor go to medical school?
Dr. Mellor graduated from UMKC School of Medicine in 1977.
How long has Dr. Gregory Wayne Mellor been practicing?
Dr. Mellor graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Gregory Wayne Mellor accept?
Dr. Mellor is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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