Dr. Jan Eric Henstorf, MD
- Medicare services, 2019
- 315
- Part D claims, 2019
- 19
- Industry payments
- $12
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 38690 Stivers St Ste A Suite A, Fremont, CA 94536
- Practice phone
- Call (510) 248-1044
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington Township Medical Foundation - Fremont (Stivers St)
Multi-specialty group site · Fremont, California
Find Dr. Henstorf'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. Jan Eric Henstorf is an orthopedic surgeon in Fremont, California
Dr. Henstorf practices at Washington Township Medical Foundation - Fremont (Stivers St) in Fremont, California.
Dr. Henstorf's NPI, 1891781621, was assigned on September 27, 2005. Dr. Henstorf graduated from University of Missouri School of Medicine in 1983. Dr. Henstorf holds California license A448840.
- NPI
- 1891781621NPI Registry (opens in a new tab)
- NPI enumeration date
- September 27, 2005
- NPI status
- Active
- Practice phone
- (510) 248-1044
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jan Eric Henstorf practices at Washington Township Medical Foundation - Fremont (Stivers St) in Fremont, California
Dr. Henstorf's primary practice is Washington Township Medical Foundation - Fremont (Stivers St), at 38690 Stivers St Ste A Suite A, Fremont, CA 94536. The practice phone is (510) 248-1044.
- Washington Township Medical Foundation - Fremont (Stivers St)38690 Stivers St Ste A Suite A, Fremont, CA 94536Phone(510) 248-1044
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jan Eric Henstorf is affiliated with 2 sites of care and 2 medical groups
Dr. Henstorf's primary practice is Washington Township Medical Foundation - Fremont (Stivers St) in Fremont, California. The medical group on file is Washington Health Medical Group. Dmand AI also links Dr. Henstorf to 1 more group practice or clinic and 1 medical group, each 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. Jan Eric Henstorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Henstorf practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington Township Medical Foundation - Fremont (Stivers St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jan Eric Henstorf is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Henstorf's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Henstorf is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Henstorf
Counts of orthopedic 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. Jan Eric Henstorf billed Medicare for 315 services in 2019
CMS data shows 315 Medicare services from Dr. Henstorf across 8 procedure codes in 2019. Medicare paid $16,489 for them. Every service was in an office.
Dr. Henstorf's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 2552019: 14842%
- Imaging
- 2018: 1402019: 7745%
- Drugs given in the office
- 2018: 862019: 7513%
- Surgery
- 2018: 142019: 157%
Dr. Henstorf compared with the California median for orthopedic surgeons, 2019
- Dr. Henstorf
- California median
- Medicare services
- 315vs 68354% below
- Part D claims
- 19vs 7073% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Henstorf's most billed Medicare procedure codes, 2019
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. Henstorf and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jan Eric Henstorf's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Henstorf's median patient age at 71, with 44% women.
Dr. Henstorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Jan Eric Henstorf wrote 19 Medicare Part D claims in 2019
In 2019, Dr. Henstorf wrote 19 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $689 in total drug cost. In 2018, CMS named 20 claims across 1 drug.
Dr. Henstorf's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 202019: 195%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Jan Eric Henstorf received $12 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Henstorf from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $12.
Companies that paid Dr. Henstorf the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jan Eric Henstorf graduated from University of Missouri School of Medicine
Dr. Henstorf graduated from University of Missouri School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Jan Eric Henstorf accepts plans from 4 insurance carriers
Dr. Henstorf is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Henstorf accepts, by number of carriers
- Medicare4
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jan Eric Henstorf'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) |
| 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. Jan Eric Henstorf
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. Jan Eric Henstorf's NPI number?
Dr. Jan Eric Henstorf's NPI number is 1891781621. It was assigned on September 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jan Eric Henstorf?
Dr. Jan Eric Henstorf is an orthopedic surgeon in Fremont, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Jan Eric Henstorf practice?
Dr. Henstorf practices at 38690 Stivers St Ste A Suite A, Fremont, CA 94536. Dr. Henstorf's primary practice is Washington Township Medical Foundation - Fremont (Stivers St) in Fremont, California. Dmand AI also links Dr. Henstorf to 1 group practice or clinic and 1 medical group.
What is Dr. Jan Eric Henstorf's office phone number?
The practice phone on file for Dr. Henstorf is (510) 248-1044.
What is Dr. Jan Eric Henstorf's medical license number?
Dr. Henstorf holds California license A448840.
What medical group is Dr. Jan Eric Henstorf part of?
Dr. Henstorf is linked to Washington Health Medical Group. Dmand AI links Dr. Henstorf to 1 more medical group.
Does Dr. Jan Eric Henstorf accept Medicare?
Yes. CMS data shows Dr. Henstorf billed Medicare for 315 services in 2019.
What services does Dr. Jan Eric Henstorf bill to Medicare?
In 2019, Dr. Henstorf's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J3301) and diagnostic imaging (73562).
Where did Dr. Jan Eric Henstorf go to medical school?
Dr. Henstorf graduated from University of Missouri School of Medicine in 1983.
What drugs does Dr. Jan Eric Henstorf prescribe most?
In 2019 Medicare Part D data, Dr. Henstorf's most prescribed drugs by claims were Celecoxib.
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Has Dr. Jan Eric Henstorf received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Henstorf from 1 company from 2019 to 2019. The largest total came from Stryker Corporation.
How long has Dr. Jan Eric Henstorf been practicing?
Dr. Henstorf graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Jan Eric Henstorf accept?
Dr. Henstorf is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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