Dr. John Bylsma, MD
- Medicare services, 2018
- 1,267
- Part D claims, 2020
- 94
- Publications
- 1
- Industry payments
- $315
- Affiliated sites
- 1
- Practice address
- 2505 W Hammer Ln, Stockton, CA 95209-2839
- Practice phone
- Call (209) 957-7050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stockton Medical Plaza Primary Care
Multi-specialty group site · Stockton, California
Find Dr. Bylsma'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 Bylsma is a family medicine physician in Stockton, California
Dr. Bylsma practices at Stockton Medical Plaza Primary Care in Stockton, California.
Dr. Bylsma's NPI, 1972569416, was assigned on April 24, 2006. Dr. Bylsma graduated from Wayne State University School Of Medicine in 1975. Dr. Bylsma's California license number on file is G32207.
- NPI
- 1972569416NPI Registry (opens in a new tab)
- NPI enumeration date
- April 24, 2006
- NPI status
- Active
- Practice phone
- (209) 957-7050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Bylsma practices at Stockton Medical Plaza Primary Care in Stockton, California
Dr. Bylsma's primary practice is Stockton Medical Plaza Primary Care, at 2505 W Hammer Ln, Stockton, CA 95209-2839. The practice phone is (209) 957-7050.
- Stockton Medical Plaza Primary Care2505 W Hammer Ln, Stockton, CA 95209-2839Phone(209) 957-7050
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Bylsma is affiliated with 1 site of care and 1 medical group
Dr. Bylsma's primary practice is Stockton Medical Plaza Primary Care in Stockton, California. Dmand AI also links Dr. Bylsma to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Bylsma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bylsma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stockton Medical Plaza Primary Care | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Bylsma is one of 15,680 family medicine physicians in California
Family medicine is Dr. Bylsma's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Bylsma has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Bylsma
Counts of family medicine 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 Bylsma billed Medicare for 1,267 services in 2018
CMS data shows 1,267 Medicare services from Dr. Bylsma across 13 procedure codes in 2018. Medicare paid $90,542 for them. Every service was in an office.
Dr. Bylsma's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 7142018: 6854%
- Other services
- 2017: 4212018: 3976%
- Tests and treatments
- 2017: 1642018: 1593%
- Surgery
- 2017: 222018: 2618%
Dr. Bylsma compared with the California median for family medicine physicians, 2018
- Dr. Bylsma
- California median
- Medicare services
- 1,267vs 2465.2 times
- Part D claims
- 94vs 83389% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Bylsma's most billed Medicare procedure codes, 2018
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. Bylsma and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Bylsma's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Bylsma's median patient age at 77, with 54% women.
Dr. Bylsma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. John Bylsma wrote 94 Medicare Part D claims in 2020
In 2020, Dr. Bylsma wrote 94 Medicare Part D claims. They cover 6 drugs, with $10,709 in total drug cost. In 2019, CMS named 1,860 claims across 50 drugs.
Dr. Bylsma's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,8602020: 9495%
Drugs named by CMS: 6 in 2020, 50 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Bylsma has 1 publication on record
Dmand AI links 1 paper to Dr. Bylsma.
Recent publications by Dr. Bylsma
See who Dr. Bylsma researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bylsma works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Bylsma received $315 in industry payments from 2016 to 2018
CMS Open Payments shows 17 general payments to Dr. Bylsma from 9 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $90.
General payments to Dr. Bylsma by program year, 2016 to 2018
Companies that paid Dr. Bylsma the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Bylsma graduated from Wayne State University School Of Medicine
Dr. Bylsma graduated from Wayne State University School Of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John Bylsma accepts plans from 4 insurance carriers
Dr. Bylsma is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Bylsma accepts, by number of carriers
- Medicare4
- PPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. John Bylsma'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) |
| 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 Bylsma
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 Bylsma's NPI number?
Dr. John Bylsma's NPI number is 1972569416. It was assigned on April 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Bylsma?
Dr. John Bylsma is a family medicine physician in Stockton, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Bylsma practice?
Dr. Bylsma practices at 2505 W Hammer Ln, Stockton, CA 95209-2839. Dr. Bylsma's primary practice is Stockton Medical Plaza Primary Care in Stockton, California. Dmand AI also links Dr. Bylsma to 1 medical group.
What is Dr. John Bylsma's office phone number?
The practice phone on file for Dr. Bylsma is (209) 957-7050.
What is Dr. John Bylsma's medical license number?
Dr. Bylsma's California license number on file is G32207.
Does Dr. John Bylsma accept Medicare?
Yes. CMS data shows Dr. Bylsma billed Medicare for 1,267 services in 2018.
What services does Dr. John Bylsma bill to Medicare?
In 2018, Dr. Bylsma's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G0008).
Where did Dr. John Bylsma go to medical school?
Dr. Bylsma graduated from Wayne State University School Of Medicine in 1975.
What drugs does Dr. John Bylsma prescribe most?
In 2020 Medicare Part D data, Dr. Bylsma's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Benazepril HCl.
Has Dr. John Bylsma received payments from drug or device companies?
CMS Open Payments shows $315 in general payments to Dr. Bylsma from 9 companies from 2016 to 2018. The largest total came from Pfizer Inc.
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How long has Dr. John Bylsma been practicing?
Dr. Bylsma graduated from medical school in 1975, 51 years ago.
Does Dr. John Bylsma do research?
Dmand AI links 1 publication to Dr. Bylsma.
What insurance does Dr. John Bylsma accept?
Dr. Bylsma is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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