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Dr. John Porteous, MD
NPI1669460630
- Medicare services, 2016
- 167
- Part D claims, 2016
- 35
- Publications
- 3
- Industry payments
- $38
- Affiliated sites
- 2
- Practice address
- 1541 Florida Ave, Modesto, CA 95350-4429
- Practice phone
- Call (209) 577-3388
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mchenry Medical Group
Multi-specialty group site · Modesto, California
Find Dr. Porteous' 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. John Porteous is a general surgeon in Modesto, California
Dr. Porteous practices at Mchenry Medical Group in Modesto, California.
Dr. Porteous' NPI, 1669460630, was assigned on October 12, 2005. Dr. Porteous graduated from WashU Medicine in 1966. Dr. Porteous' California license number on file is C2981.
NPI and contact details
- NPI
- 1669460630NPI Registry (opens in a new tab)
- NPI enumeration date
- October 12, 2005
- NPI status
- Active
- Practice phone
- (209) 577-3388
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Porteous practices at Mchenry Medical Group in Modesto, California
Dr. Porteous' primary practice is Mchenry Medical Group, at 1541 Florida Ave, Modesto, CA 95350-4429. The practice phone is (209) 577-3388.
- Mchenry Medical Group1541 Florida Ave, Modesto, CA 95350-4429Phone(209) 577-3388
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Porteous is affiliated with 2 sites of care and 2 medical groups
Dr. Porteous' primary practice is Mchenry Medical Group in Modesto, California. Dmand AI also links Dr. Porteous to 2 medical groups and 1 group practice or clinic, each named with a free account.
Mchenry Medical GroupPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Porteous' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Porteous practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mchenry Medical Group | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Porteous is one of 2,926 general surgeons in California
Surgery is Dr. Porteous' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Porteous is board certified in surgery by the American Board of Surgery. Dr. Porteous has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Porteous
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. John Porteous billed Medicare for 167 services in 2016
CMS data shows 167 Medicare services from Dr. Porteous across 6 procedure codes in 2016. Medicare paid $8,953 for them. Every service was in an office.
Medicare services, 2016167
Paid by Medicare$8,953
Procedure codes6
Dr. Porteous' Medicare services by type, 2016
- Office and hospital visits155
- Tests and treatments12
Dr. Porteous compared with the California median for general surgeons, 2016
- Dr. Porteous
- California median
- Medicare services
- 167vs 166Close to median
- Part D claims
- 35vs 34Close to median
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Porteous' most billed Medicare procedure codes, 2016
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. Porteous?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Porteous and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Porteous wrote 35 Medicare Part D claims in 2016
In 2016, Dr. Porteous wrote 35 Medicare Part D claims. They cover 1 drug, with $599 in total drug cost.
Part D claims, 201635
Drugs named by CMS1
Total drug cost$599
Dr. Porteous' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Porteous has 3 publications on record
Dmand AI links 3 papers to Dr. Porteous.
Papers3
Recent publications by Dr. Porteous
See who Dr. Porteous researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Porteous 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. John Porteous received $38 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Porteous from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $26.
Companies that paid Dr. Porteous the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Porteous graduated from WashU Medicine
Dr. Porteous graduated from WashU Medicine in 1966.
- Medical school
- Board certified in surgery
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. John Porteous'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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 |
| 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. John Porteous
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. John Porteous' NPI number?
Dr. John Porteous' NPI number is 1669460630. It was assigned on October 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Porteous?
Dr. John Porteous is a general surgeon in Modesto, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Porteous practice?
Dr. Porteous practices at 1541 Florida Ave, Modesto, CA 95350-4429. Dr. Porteous' primary practice is Mchenry Medical Group in Modesto, California. Dmand AI also links Dr. Porteous to 2 medical groups and 1 group practice or clinic.
What is Dr. John Porteous' office phone number?
The practice phone on file for Dr. Porteous is (209) 577-3388.
What is Dr. John Porteous' medical license number?
Dr. Porteous' California license number on file is C2981.
Does Dr. John Porteous accept Medicare?
Yes. CMS data shows Dr. Porteous billed Medicare for 167 services in 2016.
Is Dr. John Porteous board certified?
Yes. Dr. Porteous is board certified in surgery by the American Board of Surgery.
What services does Dr. John Porteous bill to Medicare?
In 2016, Dr. Porteous' most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, new patient (99202).
Where did Dr. John Porteous go to medical school?
Dr. Porteous graduated from WashU Medicine in 1966.
What drugs does Dr. John Porteous prescribe most?
In 2016 Medicare Part D data, Dr. Porteous' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
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Has Dr. John Porteous received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Dr. Porteous from 2 companies from 2016 to 2016. The largest total came from Ethicon Inc.
How long has Dr. John Porteous been practicing?
Dr. Porteous graduated from medical school in 1966, 60 years ago.
Does Dr. John Porteous do research?
Dmand AI links 3 publications to Dr. Porteous.
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