Dr. Mark I. Sawyer, MD
- Publications
- 3
- Industry payments
- $52
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 9
- Practice address
- 900 Tharp Rd, Yuba City, CA 95993
- Practice phone
- Call (530) 844-5655
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Physicians Network
Yuba City, California
Find Dr. Sawyer'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. Mark I. Sawyer is a pediatrician in Yuba City, California
Dr. Sawyer practices at Adventist Health Physicians Network in Yuba City, California.
Dr. Sawyer's NPI, 1053791913, was assigned on June 5, 2015. Dr. Sawyer graduated from Cleveland Medical College, Homeopathic in 2015. Dr. Sawyer's Pennsylvania license number on file is MT208798.
- NPI
- 1053791913NPI Registry (opens in a new tab)
- NPI enumeration date
- June 5, 2015
- NPI status
- Active
- Practice phone
- (530) 844-5655
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark I. Sawyer practices at Adventist Health Physicians Network in Yuba City, California
Dr. Sawyer's primary practice is Adventist Health Physicians Network, at 900 Tharp Rd, Yuba City, CA 95993 in Sutter County. The practice phone is (530) 844-5655.
- Adventist Health Physicians Network900 Tharp Rd, Yuba City, CA 95993 · Sutter CountyPhone(530) 844-5655
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark I. Sawyer is affiliated with 2 sites of care and 1 medical group
Dr. Sawyer's primary practice is Adventist Health Physicians Network in Yuba City, California. The medical group on file is Adventist Health Physicians Network. Dmand AI also links Dr. Sawyer to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark I. Sawyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sawyer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Physicians Network | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark I. Sawyer is one of 8,236 pediatricians in California
Pediatrics is Dr. Sawyer's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Sawyer is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Sawyer's licenses on file in 2 states: Pennsylvania and California.
Specialties and state licenses
- Pediatrics, PennsylvaniaPrimary
- California license
Pediatricians near Dr. Sawyer
Counts of pediatricians 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. Mark I. Sawyer's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Sawyer's median patient age at 7, with 48% women.
Dr. Sawyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Mark I. Sawyer has 3 publications on record
Dmand AI links 3 papers to Dr. Sawyer, published from 2014 to 2017. Dr. Sawyer's most frequent co-authors are Sai Nandini Iyer, MD, Neelab Abdullah, MD and Grace Lambert.
Dr. Sawyer's papers by year, 2014 to 2017
Dr. Sawyer's most frequent co-authors
Recent publications by Dr. Sawyer
See who Dr. Sawyer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sawyer works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark I. Sawyer received $52 in industry payments from 2018 to 2025
CMS Open Payments shows 3 general payments to Dr. Sawyer from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $36.
General payments to Dr. Sawyer by program year, 2018 to 2025
Companies that paid Dr. Sawyer the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark I. Sawyer graduated from Cleveland Medical College, Homeopathic
Dr. Sawyer graduated from Cleveland Medical College, Homeopathic in 2015.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Mark I. Sawyer accepts plans from 9 insurance carriers
Dr. Sawyer is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +1 more carriersWith a free account
Plan types Dr. Sawyer accepts, by number of carriers
- PPO7
- Medicare6
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark I. Sawyer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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. Mark I. Sawyer
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. Mark I. Sawyer's NPI number?
Dr. Mark I. Sawyer's NPI number is 1053791913. It was assigned on June 5, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark I. Sawyer?
Dr. Mark I. Sawyer is a pediatrician in Yuba City, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Mark I. Sawyer practice?
Dr. Sawyer practices at 900 Tharp Rd, Yuba City, CA 95993. Dr. Sawyer's primary practice is Adventist Health Physicians Network in Yuba City, California. Dmand AI also links Dr. Sawyer to 1 group practice or clinic.
What is Dr. Mark I. Sawyer's office phone number?
The practice phone on file for Dr. Sawyer is (530) 844-5655.
What is Dr. Mark I. Sawyer's medical license number?
Dr. Sawyer's Pennsylvania license number on file is MT208798, one of the licenses on file in 2 states.
Which states has Dr. Mark I. Sawyer been licensed in?
Dmand AI has state licenses on file for Dr. Sawyer in Pennsylvania (2015 to 2018) and California (2018 to 2025).
What medical group is Dr. Mark I. Sawyer part of?
Dr. Sawyer is linked to Adventist Health Physicians Network.
Is Dr. Mark I. Sawyer board certified?
Yes. Dr. Sawyer is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Mark I. Sawyer go to medical school?
Dr. Sawyer graduated from Cleveland Medical College, Homeopathic in 2015.
Has Dr. Mark I. Sawyer received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Sawyer from 2 companies from 2018 to 2025. The largest total came from GlaxoSmithKline, LLC.
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How long has Dr. Mark I. Sawyer been practicing?
Dr. Sawyer graduated from medical school in 2015, 11 years ago.
Does Dr. Mark I. Sawyer do research?
Dmand AI links 3 publications to Dr. Sawyer, published from 2014 to 2017.
Who does Dr. Mark I. Sawyer publish with?
Dr. Sawyer's most frequent co-authors are Sai Nandini Iyer, MD (3 shared papers), Neelab Abdullah, MD (1 shared paper) and Grace Lambert (1 shared paper).
What insurance does Dr. Mark I. Sawyer accept?
Dr. Sawyer is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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