Dr. Gregory Scott Macdonell, MD
- Medicare services, 2024
- 396
- Medicare patients, 2024
- 393
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical groups
- 2
- Practice address
- 15195 National Avenue, Suite 204, Los Gatos, CA 95032
- Practice phone
- Call (408) 356-0988
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Samaritan Endoscopy Center - Los Gatos
Surgery Center - Medicare-Certified · Los Gatos, California
Find Dr. Macdonell's professional email, personal email and mobile number
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Dr. Gregory Scott Macdonell is an anesthesiologist in Los Gatos, California
Dr. Macdonell practices at Samaritan Endoscopy Center - Los Gatos in Los Gatos, California.
Dr. Macdonell's NPI, 1013932052, was assigned on July 12, 2006. Dr. Macdonell graduated from Creighton University School of Medicine - Omaha in 1984. Dr. Macdonell holds California license G59930.
- NPI
- 1013932052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991993834
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 356-0988
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Scott Macdonell practices at Samaritan Endoscopy Center - Los Gatos in Los Gatos, California
Dr. Macdonell's primary practice is Samaritan Endoscopy Center - Los Gatos, at 15195 National Avenue, Suite 204, Los Gatos, CA 95032. The practice phone is (408) 356-0988.
- Samaritan Endoscopy Center - Los Gatos15195 National Avenue, Suite 204, Los Gatos, CA 95032Phone(408) 356-0988
Source: Dmand AI Affiliation Data
Dr. Gregory Scott Macdonell is affiliated with 2 sites of care and 2 medical groups
Dr. Macdonell's primary practice is Samaritan Endoscopy Center - Los Gatos in Los Gatos, California. Dr. Macdonell is also affiliated with Good Samaritan Hospital. The medical group on file is G2 Anesthesia. Dmand AI also links Dr. Macdonell to 1 more medical group, 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 Scott Macdonell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macdonell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Samaritan Endoscopy Center - Los Gatos | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Scott Macdonell is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Macdonell's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Macdonell is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Macdonell's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Arizona license
Anesthesiologists near Dr. Macdonell
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 Scott Macdonell billed Medicare for 396 services in 2024
CMS data shows 396 Medicare services from Dr. Macdonell across 7 procedure codes in 2024, for 393 Medicare patients. Medicare paid $48,949 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Macdonell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3552024: 39612%
Dr. Macdonell compared with the California median for anesthesiologists, 2024
- Dr. Macdonell
- California median
- Medicare services
- 396vs 725.5 times
- Medicare patients
- 393vs 1432.7 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Macdonell'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. Macdonell and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Scott Macdonell treated 393 Medicare patients in 2024, average age 74
CMS counts 393 Medicare patients who saw Dr. Macdonell in 2024. The largest group is 65 to 74, with 212 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 10% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Macdonell's median patient age at 62, with 52% women.
Dr. Macdonell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Macdonell's Medicare patients by sex, 2024
- Women24462%
- Men14938%
Chronic conditions among Dr. Macdonell's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis38%
- Diabetes29%
- Ischemic heart disease20%
- Osteoporosis20%
- Cancer17%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Macdonell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Scott Macdonell takes part in Medicare
Dr. Macdonell 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 Scott Macdonell received $16 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Macdonell from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $16.
Companies that paid Dr. Macdonell the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Scott Macdonell graduated from Creighton University School of Medicine - Omaha
Dr. Macdonell graduated from Creighton University School of Medicine - Omaha in 1984.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Gregory Scott Macdonell accepts plans from 6 insurance carriers
Dr. Macdonell is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Macdonell accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Scott Macdonell'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) |
| Industry payments | Open Payments (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 Scott Macdonell
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 Scott Macdonell's NPI number?
Dr. Gregory Scott Macdonell's NPI number is 1013932052. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Scott Macdonell?
Dr. Gregory Scott Macdonell is an anesthesiologist in Los Gatos, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory Scott Macdonell practice?
Dr. Macdonell practices at 15195 National Avenue, Suite 204, Los Gatos, CA 95032. Dr. Macdonell's primary practice is Samaritan Endoscopy Center - Los Gatos in Los Gatos, California. Dmand AI also links Dr. Macdonell to 1 medical group.
What is Dr. Gregory Scott Macdonell's office phone number?
The practice phone on file for Dr. Macdonell is (408) 356-0988.
What is Dr. Gregory Scott Macdonell's medical license number?
Dr. Macdonell holds California license G59930, one of the licenses on file in 2 states.
Which states has Dr. Gregory Scott Macdonell been licensed in?
Dmand AI has state licenses on file for Dr. Macdonell in California (1987 to 2027) and Arizona (since 1986).
Which hospitals is Dr. Gregory Scott Macdonell affiliated with?
Dr. Macdonell is affiliated with Good Samaritan Hospital.
What medical group is Dr. Gregory Scott Macdonell part of?
Dr. Macdonell is linked to G2 Anesthesia. Dmand AI links Dr. Macdonell to 1 more medical group.
Does Dr. Gregory Scott Macdonell accept Medicare?
Yes. CMS data shows Dr. Macdonell billed Medicare for 396 services in 2024, and Dr. Macdonell accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Scott Macdonell see?
CMS counts 393 Medicare patients who saw Dr. Macdonell in 2024, with an average age of 74.
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Is Dr. Gregory Scott Macdonell board certified?
Yes. Dr. Macdonell is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Gregory Scott Macdonell bill to Medicare?
In 2024, Dr. Macdonell's most billed Medicare services were anesthesia (00142), anesthesia (00811) and anesthesia (00103).
Where did Dr. Gregory Scott Macdonell go to medical school?
Dr. Macdonell graduated from Creighton University School of Medicine - Omaha in 1984.
Has Dr. Gregory Scott Macdonell received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Macdonell from 1 company from 2023 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Gregory Scott Macdonell been practicing?
Dr. Macdonell graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Gregory Scott Macdonell accept?
Dr. Macdonell is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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