Alpha ParticlesCushing SyndromePituitary ACTH Hypersecretion
Dr. John A. Linfoot, MD
NPI1972551679
- Medicare services, 2021
- 161
- Part D claims, 2024
- 28
- Publications
- 25
- Industry payments
- $11,133
- Affiliated sites
- 1
- Practice address
- 978 2nd St, Lafayette, CA 94549-4538
- Practice phone
- Call (925) 926-1240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diabetes And Endocrine Institute
Multi-specialty group site · Lafayette, California
Find Dr. Linfoot'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. John A. Linfoot is a nuclear imaging and therapy physician in Lafayette, California
Dr. Linfoot practices at Diabetes And Endocrine Institute in Lafayette, California.
Dr. Linfoot's NPI, 1972551679, was assigned on May 4, 2006. Dr. Linfoot graduated from Harvard Medical School in 1957. Dr. Linfoot holds California license G6915.
NPI and contact details
- NPI
- 1972551679NPI Registry (opens in a new tab)
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Practice phone
- (925) 926-1240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1957
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Linfoot practices at Diabetes and Endocrine Institute in Lafayette, California
Dr. Linfoot's primary practice is Diabetes and Endocrine Institute, at 978 2nd St, Lafayette, CA 94549-4538. The practice phone is (925) 926-1240.
- Diabetes and Endocrine Institute978 2nd St, Lafayette, CA 94549-4538Phone(925) 926-1240
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Linfoot is affiliated with 1 site of care and 1 medical group
Dr. Linfoot's primary practice is Diabetes And Endocrine Institute in Lafayette, California. Dmand AI also links Dr. Linfoot to 1 medical group, named with a free account.
Diabetes And Endocrine InstitutePrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John A. Linfoot's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Linfoot practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diabetes And Endocrine Institute | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Linfoot practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John A. Linfoot is one of 20 nuclear imagings and therapy physicians in California
Nuclear imaging and therapy is Dr. Linfoot's primary specialty in the NPI Registry, under taxonomy code 207UN0902X. Dr. Linfoot is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Linfoot is licensed in California.
Specialties and state licenses
- Nuclear imaging and therapy, CaliforniaPrimary
Nuclear imagings and therapy physicians near Dr. Linfoot
Counts of nuclear imagings and therapy physicians 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 A. Linfoot billed Medicare for 161 services in 2021
CMS data shows 161 Medicare services from Dr. Linfoot across 1 procedure code in 2021, all of them office visits. Medicare paid $14,507 for them. Every service was in an office.
Medicare services, 2021161
Paid by Medicare$14,507
Procedure codes1
Dr. Linfoot's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 4202021: 16162%
- Tests and treatments
- 2020: 232021: 0100%
Dr. Linfoot compared with the California median for nuclear imagings and therapy physicians, 2021
- Dr. Linfoot
- California median
- Medicare services
- 161vs 14313% above
Medians across 12 nuclear imagings and therapy physicians in California with Dmand AI profiles that report each measure.
Dr. Linfoot'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. Linfoot?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Linfoot and other nuclear imagings and therapy physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Linfoot's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Linfoot's median patient age at 59, with 50% women.
Dr. Linfoot's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John A. Linfoot wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Linfoot wrote 28 Medicare Part D claims. 100% of them were for generic drugs. They cover 9 drugs, with $12,243 in total drug cost. In 2021, CMS named 1,252 claims across 39 drugs.
Part D claims, 202428
Drugs named by CMS9
Total drug cost$12,243
Dr. Linfoot's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,2522022: 15388%
Drugs named by CMS: 9 in 2022, 39 in 2021.
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
For MedTech and pharma teams
Find nuclear imagings and therapy physicians like Dr. Linfoot by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John A. Linfoot has 25 publications on record
Dmand AI links 25 papers to Dr. Linfoot. The most frequent topics are Acromegaly, Pituitary Irradiation and Cushing Syndrome. Dr. Linfoot has published most often in J Clin Endocrinol Metab. Dr. Linfoot's most frequent co-authors are Sylvia Lou Asa, MD, PhD, Alexander R. Gottschalk, MD and Neil A. Martin, MD.
Papers25
Topics Dr. Linfoot writes about most
- Acromegaly
- Pituitary Irradiation
- Cushing Syndrome
- Pituitary Neoplasms
- Adenoma
- Growth Hormone
- Adenoma, Chromophobe
- Alpha Particles
Dr. Linfoot's most frequent co-authors
- Sylvia Lou Asa, MD, PhD2 shared papers
- Alexander R. Gottschalk, MD2 shared papers
- Neil A. Martin, MD1 shared paper
Recent publications by Dr. Linfoot
Alpha ParticlesBrain NeoplasmsBreast Neoplasms
AcromegalyCortisoneFasting
J Clin Endocrinol Metab
AcromegalyFastingGrowth Hormone
AcromegalyAdenoma, ChromophobeCushing Syndrome
See who Dr. Linfoot researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Linfoot works with, so you can find a warm path to the right nuclear imagings and therapy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John A. Linfoot received $11,133 in industry payments from 2016 to 2024
CMS Open Payments shows 407 general payments to Dr. Linfoot from 37 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $1,991.
General payments to Dr. Linfoot by program year, 2016 to 2024
General payments to Dr. Linfoot by kind, 2016 to 2024
$11.1Kin total
- Food and beverage$11,06499%
- Education$701%
Companies that paid Dr. Linfoot the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John A. Linfoot graduated from Harvard Medical School
Dr. Linfoot graduated from Harvard Medical School in 1957.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
- Board certified in internal medicine
- Board certified in nuclear medicine
Source: Dmand AI Professional Profile Data
Dr. John A. Linfoot accepts plans from 5 insurance carriers
Dr. Linfoot is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Linfoot accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John A. Linfoot'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. John A. Linfoot
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 A. Linfoot's NPI number?
Dr. John A. Linfoot's NPI number is 1972551679. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Linfoot?
Dr. John A. Linfoot is a nuclear imaging and therapy physician in Lafayette, California. The primary specialty in the NPI Registry is Nuclear Imaging & Therapy Physician (taxonomy code 207UN0902X).
Where does Dr. John A. Linfoot practice?
Dr. Linfoot practices at 978 2nd St, Lafayette, CA 94549-4538. Dr. Linfoot's primary practice is Diabetes And Endocrine Institute in Lafayette, California. Dmand AI also links Dr. Linfoot to 1 medical group.
What is Dr. John A. Linfoot's office phone number?
The practice phone on file for Dr. Linfoot is (925) 926-1240.
What is Dr. John A. Linfoot's medical license number?
Dr. Linfoot holds California license G6915.
Does Dr. John A. Linfoot accept Medicare?
Yes. CMS data shows Dr. Linfoot billed Medicare for 161 services in 2021.
Is Dr. John A. Linfoot board certified?
Yes. Dr. Linfoot is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
What services does Dr. John A. Linfoot bill to Medicare?
In 2021, Dr. Linfoot's most billed Medicare services were office visit, established patient (99215).
Where did Dr. John A. Linfoot go to medical school?
Dr. Linfoot graduated from Harvard Medical School in 1957.
What drugs does Dr. John A. Linfoot prescribe most?
In 2022 Medicare Part D data, Dr. Linfoot's most prescribed drugs by claims were Levothyroxine Sodium, Ezetimibe and Pioglitazone HCl.
Show 5 more questionsShow fewer questions
Has Dr. John A. Linfoot received payments from drug or device companies?
CMS Open Payments shows $11,133 in general payments to Dr. Linfoot from 37 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. John A. Linfoot been practicing?
Dr. Linfoot graduated from medical school in 1957, 69 years ago.
Does Dr. John A. Linfoot do research?
Dmand AI links 25 publications to Dr. Linfoot.
Who does Dr. John A. Linfoot publish with?
Dr. Linfoot's most frequent co-authors are Sylvia Lou Asa, MD, PhD (2 shared papers), Alexander R. Gottschalk, MD (2 shared papers) and Neil A. Martin, MD (1 shared paper).
What insurance does Dr. John A. Linfoot accept?
Dr. Linfoot is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to nuclear imaging and therapy practices?
See nuclear imagings and therapy physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card