Dr. Gregory A. Shaw, MD
- Medicare services, 2024
- 2,810
- Medicare patients, 2024
- 1,240
- Part D claims, 2024
- 16
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001
- Practice phone
- Call (530) 225-6102
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shaw'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 A. Shaw is an interventional radiologist in Redding, California
Dr. Shaw practices at Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health.
Dr. Shaw's NPI, 1154609766, was assigned on July 30, 2011. Dr. Shaw graduated from David Geffen School of Medicine at UCLA in 2011. Dr. Shaw holds Kentucky license 50476.
- NPI
- 1154609766NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264702851
- NPI enumeration date
- July 30, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 225-6102
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory A. Shaw practices at Mercy Medical Center Redding in Redding, California
Dr. Shaw's primary practice is Mercy Medical Center Redding, at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001 in Shasta County. The practice phone is (530) 225-6102.
- Mercy Medical Center Redding2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001 · Shasta CountyPhone(530) 225-6102
Source: Dmand AI Affiliation Data
Dr. Gregory A. Shaw is affiliated with 3 sites of care and 1 medical group
Dr. Shaw's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health. Dr. Shaw is also affiliated with Dignity Health - St. Elizabeth Community Hospital. The medical group on file is Mercy Medical Group. Dmand AI also links Dr. Shaw to 1 more group practice or clinic, 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 A. Shaw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaw practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center Redding | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory A. Shaw is one of 559 interventional radiologists in California
Vascular and interventional radiology is Dr. Shaw's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Shaw is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Shaw's licenses on file in 3 states: Kentucky, California and Illinois.
Specialties and state licenses
- Vascular and interventional radiology, KentuckyPrimary
- California license
- Illinois license
Interventional radiologists near Dr. Shaw
Counts of interventional 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 A. Shaw billed Medicare for 2,810 services in 2024
CMS data shows 2,810 Medicare services from Dr. Shaw across 30 procedure codes in 2024, for 1,240 Medicare patients. Medicare paid $96,219 for them.
Dr. Shaw's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1,7502024: 1,45217%
- Tests and treatments
- 2023: 1,1232024: 69638%
- Imaging
- 2023: 3232024: 39422%
- Surgery
- 2023: 5102024: 25450%
- Office and hospital visits
- 2023: 2172024: 1494%
- Drugs given in the office
- 2023: 812024: 0100%
Where Dr. Shaw's Medicare services took place, 2024
- In an office1,75863%
- In a facility1,05237%
Dr. Shaw compared with the California median for interventional radiologists, 2024
- Dr. Shaw
- California median
- Medicare services
- 2,810vs 8383.4 times
- Medicare patients
- 1,240vs 4342.9 times
- Part D claims
- 11vs 1735% below
Medians across 511 interventional radiologists in California with Dmand AI profiles that report each measure.
Dr. Shaw'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.
Need commercial claims for Dr. Shaw?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shaw and other interventional radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory A. Shaw treated 1,240 Medicare patients in 2024, average age 74
CMS counts 1,240 Medicare patients who saw Dr. Shaw in 2024. The largest group is 65 to 74, with 480 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.94, 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. Shaw's median patient age at 68, with 49% women.
Dr. Shaw's Medicare patients by age, 2024
Dr. Shaw's Medicare patients by sex, 2024
- Women64452%
- Men59648%
Chronic conditions among Dr. Shaw's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes39%
- Chronic kidney disease37%
- Ischemic heart disease37%
- Heart failure33%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shaw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory A. Shaw wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Shaw wrote 16 Medicare Part D claims. 81% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $77 in total drug cost.
Dr. Shaw's Part D claims by kind of drug, 2024
- Generic13 claims81%
- Brand-name and other3 claims19%
Dr. Shaw's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory A. Shaw scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Shaw for performance year 2024, reported through an alternative payment model (APM). Dr. Shaw accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Shaw's MIPS scores, performance year 2024
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory A. Shaw received $20,825 in industry payments from 2017 to 2025
CMS Open Payments shows 152 general payments to Dr. Shaw from 15 drug and device companies from 2017 to 2025. Device or supply loans make up the largest share, 76% of the total. AngioDynamics, Inc. paid the most, $16,005.
General payments to Dr. Shaw by program year, 2017 to 2025
General payments to Dr. Shaw by kind, 2017 to 2025
- Device or supply loans$15,91776%
- Food and beverage$3,68318%
- Travel and lodging$1,1556%
- Education$700%
Companies that paid Dr. Shaw the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory A. Shaw has 1 award and honors on record
Dmand AI lists 1 award for Dr. Shaw, most recently Summa Cum Laude in 2007.
Awards and honors for Dr. Shaw
- 2007
- Summa Cum Laude
Source: Dmand AI Professional Profile Data
Dr. Gregory A. Shaw graduated from David Geffen School of Medicine at UCLA
Dr. Shaw graduated from David Geffen School of Medicine at UCLA in 2011.
- Medical school
- Board certified in interventional radiology and diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Gregory A. Shaw accepts plans from 12 insurance carriers
Dr. Shaw is in network with 12 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Shaw accepts, by number of carriers
- Medicare9
- PPO8
- POS4
- EPO3
- HMO3
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory A. Shaw'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 A. Shaw
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 A. Shaw's NPI number?
Dr. Gregory A. Shaw's NPI number is 1154609766. It was assigned on July 30, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory A. Shaw?
Dr. Gregory A. Shaw is an interventional radiologist in Redding, California. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Gregory A. Shaw practice?
Dr. Shaw practices at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001. Dr. Shaw's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health. Dmand AI also links Dr. Shaw to 1 group practice or clinic.
What is Dr. Gregory A. Shaw's office phone number?
The practice phone on file for Dr. Shaw is (530) 225-6102.
What is Dr. Gregory A. Shaw's medical license number?
Dr. Shaw holds Kentucky license 50476, one of the licenses on file in 3 states.
Which states has Dr. Gregory A. Shaw been licensed in?
Dmand AI has state licenses on file for Dr. Shaw in Kentucky (2017 to 2026), California (2012 to 2026) and Illinois (2016 to 2020).
Which hospitals is Dr. Gregory A. Shaw affiliated with?
Dr. Shaw practices at Mercy Medical Center Redding in Redding, California. Dr. Shaw is also affiliated with Dignity Health - St. Elizabeth Community Hospital.
What medical group is Dr. Gregory A. Shaw part of?
Dr. Shaw is linked to Mercy Medical Group.
Does Dr. Gregory A. Shaw accept Medicare?
Yes. CMS data shows Dr. Shaw billed Medicare for 2,810 services in 2024, and Dr. Shaw accepts Medicare assignment.
What is Dr. Gregory A. Shaw's MIPS score?
Dr. Shaw's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Gregory A. Shaw see?
CMS counts 1,240 Medicare patients who saw Dr. Shaw in 2024, with an average age of 74.
Is Dr. Gregory A. Shaw board certified?
Yes. Dr. Shaw is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology.
What services does Dr. Gregory A. Shaw bill to Medicare?
In 2024, Dr. Shaw's most billed Medicare services were medicare temporary code (Q9967), blood vessel study (93971) and blood vessel study (93970).
Where did Dr. Gregory A. Shaw go to medical school?
Dr. Shaw graduated from David Geffen School of Medicine at UCLA in 2011.
What drugs does Dr. Gregory A. Shaw prescribe most?
In 2024 Medicare Part D data, Dr. Shaw's most prescribed drugs by claims were Clopidogrel.
Has Dr. Gregory A. Shaw received payments from drug or device companies?
CMS Open Payments shows $20,825 in general payments to Dr. Shaw from 15 companies from 2017 to 2025. The largest total came from AngioDynamics, Inc.
How long has Dr. Gregory A. Shaw been practicing?
Dr. Shaw graduated from medical school in 2011, 15 years ago.
What insurance does Dr. Gregory A. Shaw accept?
Dr. Shaw is in network with 12 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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