Dr. David G. Greenhalgh, MD
- Medicare services, 2021
- 260
- Publications
- 163
- Hospital affiliations
- 2
- Industry payments
- $5,465
- Medical groups
- 2
- Practice address
- 2425 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 453-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greenhalgh'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. David G. Greenhalgh is a general surgeon in Sacramento, California
Dr. Greenhalgh practices at Shriners Children's Northern California in Sacramento, California, part of Shriners Hospitals for Children.
Dr. Greenhalgh's NPI, 1861474199, was assigned on November 14, 2005. Dr. Greenhalgh graduated from SUNY Upstate Medical University in 1981. Dr. Greenhalgh holds California license G83491.
- NPI
- 1861474199NPI Registry (opens in a new tab)
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Practice phone
- (916) 453-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David G. Greenhalgh practices at Shriners Children's Northern California in Sacramento, California
Dr. Greenhalgh's primary practice is Shriners Children's Northern California, at 2425 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 453-2000.
- Shriners Children's Northern California2425 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 453-2000
Source: Dmand AI Affiliation Data
Dr. David G. Greenhalgh is affiliated with 2 sites of care and 2 medical groups
Dr. Greenhalgh's primary practice is Shriners Children's Northern California in Sacramento, California, part of Shriners Hospitals for Children. Dr. Greenhalgh is also affiliated with UC Davis Medical Center. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Greenhalgh 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. David G. Greenhalgh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenhalgh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shriners Children's Northern California | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. David G. Greenhalgh is one of 2,926 general surgeons in California
Surgery is Dr. Greenhalgh's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Greenhalgh is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Greenhalgh's licenses on file in 4 states: California, Hawaii, Vermont and Ohio.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Hawaii license
- Vermont license
- Ohio license
General surgeons near Dr. Greenhalgh
Counts of general surgeons 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. David G. Greenhalgh billed Medicare for 260 services in 2021
CMS data shows 260 Medicare services from Dr. Greenhalgh across 3 procedure codes in 2021. Medicare paid $20,012 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Greenhalgh's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 3002021: 26013%
Dr. Greenhalgh compared with the California median for general surgeons, 2021
- Dr. Greenhalgh
- California median
- Medicare services
- 260vs 16657% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Greenhalgh's most billed Medicare procedure codes, 2021
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. Greenhalgh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenhalgh and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David G. Greenhalgh's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Greenhalgh's median patient age at 13, with 46% women.
Dr. Greenhalgh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
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Dr. David G. Greenhalgh has 163 publications on record
Dmand AI links 163 papers to Dr. Greenhalgh, published from 2004 to 2025. 2017 was the busiest year, with 7. The most frequent topics are Burns, Length of Stay and Injury Severity Score. Dr. Greenhalgh has published most often in J Burn Care Res. Dr. Greenhalgh's most frequent co-authors are Soman Sen, MD, Tina L. Palmieri, MD and Kathleen Skipton Romanowski, MD.
Dr. Greenhalgh's papers by year, 2016 to 2025
Topics Dr. Greenhalgh writes about most
- Burns
- Length of Stay
- Injury Severity Score
- Burn Units
- Body Surface Area
- Fluid Therapy
- Skin Transplantation
- Wound Healing
Dr. Greenhalgh's most frequent co-authors
- Soman Sen, MD49 shared papers
- Tina L. Palmieri, MD33 shared papers
- Kathleen Skipton Romanowski, MD14 shared papers
Recent publications by Dr. Greenhalgh
J Hand Surg Am
See who Dr. Greenhalgh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greenhalgh works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David G. Greenhalgh received $5,465 in industry payments from 2017 to 2024
CMS Open Payments shows 4 general payments to Dr. Greenhalgh from 4 drug and device companies from 2017 to 2024. Consulting fees make up the largest share, 95% of the total. Mallinckrodt Hospital Products Inc. paid the most, $5,200.
General payments to Dr. Greenhalgh by program year, 2017 to 2024
General payments to Dr. Greenhalgh by kind, 2017 to 2024
- Consulting fees$5,20095%
- Food and beverage$2655%
Companies that paid Dr. Greenhalgh the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David G. Greenhalgh graduated from SUNY Upstate Medical University
Dr. Greenhalgh graduated from SUNY Upstate Medical University in 1981.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. David G. Greenhalgh accepts plans from 8 insurance carriers
Dr. Greenhalgh is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- NV State Medicaid
Plan types Dr. Greenhalgh accepts, by number of carriers
- Medicare5
- PPO5
- POS2
- EPO1
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David G. Greenhalgh'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 Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. David G. Greenhalgh
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. David G. Greenhalgh's NPI number?
Dr. David G. Greenhalgh's NPI number is 1861474199. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David G. Greenhalgh?
Dr. David G. Greenhalgh is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David G. Greenhalgh practice?
Dr. Greenhalgh practices at 2425 Stockton Boulevard, Sacramento, CA 95817. Dr. Greenhalgh's primary practice is Shriners Children's Northern California in Sacramento, California, part of Shriners Hospitals for Children. Dmand AI also links Dr. Greenhalgh to 1 medical group.
What is Dr. David G. Greenhalgh's office phone number?
The practice phone on file for Dr. Greenhalgh is (916) 453-2000.
What is Dr. David G. Greenhalgh's medical license number?
Dr. Greenhalgh holds California license G83491, one of the licenses on file in 4 states.
Which states has Dr. David G. Greenhalgh been licensed in?
Dmand AI has state licenses on file for Dr. Greenhalgh in California (1996 to 2026), Hawaii (2020 to 2024), Vermont (1981 to 2022) and Ohio (1989 to 2009).
Which hospitals is Dr. David G. Greenhalgh affiliated with?
Dr. Greenhalgh practices at Shriners Children's Northern California in Sacramento, California. Dr. Greenhalgh is also affiliated with UC Davis Medical Center.
What medical group is Dr. David G. Greenhalgh part of?
Dr. Greenhalgh is linked to UC Davis Medical Group. Dmand AI links Dr. Greenhalgh to 1 more medical group.
Does Dr. David G. Greenhalgh accept Medicare?
Yes. CMS data shows Dr. Greenhalgh billed Medicare for 260 services in 2021.
Is Dr. David G. Greenhalgh board certified?
Yes. Dr. Greenhalgh is board certified in surgery by the American Board of Surgery.
Show 7 more questionsShow fewer questions
What services does Dr. David G. Greenhalgh bill to Medicare?
In 2021, Dr. Greenhalgh's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99221).
Where did Dr. David G. Greenhalgh go to medical school?
Dr. Greenhalgh graduated from SUNY Upstate Medical University in 1981.
Has Dr. David G. Greenhalgh received payments from drug or device companies?
CMS Open Payments shows $5,465 in general payments to Dr. Greenhalgh from 4 companies from 2017 to 2024. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. David G. Greenhalgh been practicing?
Dr. Greenhalgh graduated from medical school in 1981, 45 years ago.
Does Dr. David G. Greenhalgh do research?
Dmand AI links 163 publications to Dr. Greenhalgh, published from 2004 to 2025.
Who does Dr. David G. Greenhalgh publish with?
Dr. Greenhalgh's most frequent co-authors are Soman Sen, MD (49 shared papers), Tina L. Palmieri, MD (33 shared papers) and Kathleen Skipton Romanowski, MD (14 shared papers).
What insurance does Dr. David G. Greenhalgh accept?
Dr. Greenhalgh is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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