Prehosp Disaster Med
Joshua Nackenson
- Medicare services, 2024
- 535
- Medicare patients, 2024
- 387
- Part D claims, 2024
- 174
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 2000 Mowry Ave, Fremont, CA 94538
- Practice phone
- Call (510) 797-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Joshua Nackenson'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.
Joshua Nackenson is an emergency medicine physician in Fremont, California
Joshua Nackenson practices at Washington Health in Fremont, California, part of Washington Health.
Joshua Nackenson's NPI, 1033573498, was assigned on April 11, 2016. Joshua Nackenson graduated from University of Miami, Miller School of Medicine in 2016. Joshua Nackenson's Texas license number on file is R4604.
- NPI
- 1033573498NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133484769
- NPI enumeration date
- April 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 797-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joshua Nackenson practices at Washington Health in Fremont, California
Joshua Nackenson's primary practice is Washington Health, at 2000 Mowry Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 797-1111.
- Washington Health2000 Mowry Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 797-1111
Source: Dmand AI Affiliation Data
Joshua Nackenson is affiliated with 7 sites of care and 6 medical groups
Joshua Nackenson's primary practice is Washington Health in Fremont, California, part of Washington Health. Joshua Nackenson is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Emergency Physicians Associates. Dmand AI also links Joshua Nackenson to 5 more group practices and clinics and 5 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joshua Nackenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joshua Nackenson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington Health | Available with a free account |
| +6 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Washington Health and 6.2K+ hospitals, with verified contacts in the same login.
Joshua Nackenson is one of 7,423 emergency medicine physicians in California
Emergency medicine is Joshua Nackenson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Joshua Nackenson is board certified in emergency medical services by the American Board of Emergency Medicine. Dmand AI has Joshua Nackenson's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Emergency medicine, TexasPrimary
- California license
Emergency medicine physicians near Joshua Nackenson
Counts of emergency 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
Joshua Nackenson billed Medicare for 535 services in 2024
CMS data shows 535 Medicare services from Joshua Nackenson across 5 procedure codes in 2024, for 387 Medicare patients. Medicare paid $56,396 for them. Every service was in a facility, such as a hospital, rather than an office.
Joshua Nackenson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3502024: 40315%
- Tests and treatments
- 2023: 1642024: 11629%
- Imaging
- 2023: 312024: 1648%
Joshua Nackenson compared with the California median for emergency medicine physicians, 2024
- Joshua Nackenson
- California median
- Medicare services
- 535vs 2652.0 times
- Medicare patients
- 387vs 24359% above
- Part D claims
- 83vs 6234% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Joshua Nackenson's most billed Medicare procedure codes, 2024
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 Joshua Nackenson and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Joshua Nackenson treated 387 Medicare patients in 2024, average age 73
CMS counts 387 Medicare patients who saw Joshua Nackenson in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 67% are also on Medicaid. Their average risk score is 2.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joshua Nackenson's median patient age at 42, with 50% women.
Joshua Nackenson's Medicare patients by age, 2024
Joshua Nackenson's Medicare patients by sex, 2024
- Women21155%
- Men17645%
Chronic conditions among Joshua Nackenson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Arthritis43%
- Ischemic heart disease43%
- Chronic kidney disease42%
- Heart failure39%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Joshua Nackenson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joshua Nackenson wrote 174 Medicare Part D claims in 2024
In 2024, Joshua Nackenson wrote 174 Medicare Part D claims for 121 patients. 91% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $910 in total drug cost. In 2023, CMS named 75 claims across 3 drugs.
Joshua Nackenson's Part D claims by kind of drug, 2024
- Generic159 claims91%
- Brand-name and other15 claims9%
Joshua Nackenson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Joshua Nackenson's Part D claims, 2024
- Antibiotics25%44 of 174 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 752024: 8311%
Drugs named by CMS: 4 in 2024, 3 in 2023.
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
How Joshua Nackenson takes part in Medicare
Joshua Nackenson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Joshua Nackenson has 3 publications on record
Dmand AI links 3 papers to Joshua Nackenson, published from 2016 to 2017. Joshua Nackenson's most frequent co-authors are Jonathan P. Meizoso, MD, MSPH and Bryan Alexander Stepanenko, MD, MPH.
Joshua Nackenson's most frequent co-authors
Recent publications by Joshua Nackenson
See who Joshua Nackenson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Joshua Nackenson works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Joshua Nackenson received $80 in industry payments in 2019
CMS Open Payments shows 1 general payment to Joshua Nackenson from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $80.
Companies that paid Joshua Nackenson the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Joshua Nackenson graduated from University of Miami, Miller School of Medicine
Joshua Nackenson graduated from University of Miami, Miller School of Medicine in 2016.
- Medical school
- Board certified in emergency medical services
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Joshua Nackenson accepts plans from 16 insurance carriers
Joshua Nackenson is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Arkansas Blue Cross and Blue Shield
- +8 more carriersWith a free account
Plan types Joshua Nackenson accepts, by number of carriers
- HMO9
- PPO9
- Medicare4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Joshua Nackenson'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Joshua Nackenson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joshua Nackenson's NPI number?
Joshua Nackenson's NPI number is 1033573498. It was assigned on April 11, 2016, and it is active in the NPI Registry.
What does Joshua Nackenson specialize in?
Joshua Nackenson is an emergency medicine physician in Fremont, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Joshua Nackenson practice?
Joshua Nackenson practices at 2000 Mowry Ave, Fremont, CA 94538. Joshua Nackenson's primary practice is Washington Health in Fremont, California, part of Washington Health. Dmand AI also links Joshua Nackenson to 5 group practices and clinics and 5 medical groups.
What is Joshua Nackenson's office phone number?
The practice phone on file for Joshua Nackenson is (510) 797-1111.
What is Joshua Nackenson's medical license number?
Joshua Nackenson's Texas license number on file is R4604, one of the licenses on file in 2 states.
Which states has Joshua Nackenson been licensed in?
Dmand AI has state licenses on file for Joshua Nackenson in Texas (2017 to 2024) and California (2020 to 2026).
Which hospitals is Joshua Nackenson affiliated with?
Joshua Nackenson practices at Washington Health in Fremont, California. Joshua Nackenson is also affiliated with Santa Clara Valley Medical Center.
What medical group is Joshua Nackenson part of?
Joshua Nackenson is linked to Emergency Physicians Associates. Dmand AI links Joshua Nackenson to 5 more medical groups.
Does Joshua Nackenson accept Medicare?
Yes. CMS data shows Joshua Nackenson billed Medicare for 535 services in 2024, and Joshua Nackenson accepts Medicare assignment.
How many Medicare patients does Joshua Nackenson see?
CMS counts 387 Medicare patients who saw Joshua Nackenson in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Joshua Nackenson board certified?
Yes. Joshua Nackenson is board certified in emergency medical services by the American Board of Emergency Medicine.
What services does Joshua Nackenson bill to Medicare?
In 2024, Joshua Nackenson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Joshua Nackenson go to medical school?
Joshua Nackenson graduated from University of Miami, Miller School of Medicine in 2016.
What drugs does Joshua Nackenson prescribe most?
In 2024 Medicare Part D data, Joshua Nackenson's most prescribed drugs by claims were Naproxen, Ondansetron ODT and Cefdinir.
Has Joshua Nackenson received payments from drug or device companies?
CMS Open Payments shows $80 in general payments to Joshua Nackenson from 1 company from 2019 to 2019. The largest total came from Philips Electronics North America Corporation.
How long has Joshua Nackenson been practicing?
Joshua Nackenson graduated from medical school in 2016, 10 years ago.
Does Joshua Nackenson do research?
Dmand AI links 3 publications to Joshua Nackenson, published from 2016 to 2017.
Who does Joshua Nackenson publish with?
Joshua Nackenson's most frequent co-authors are Jonathan P. Meizoso, MD, MSPH (1 shared paper) and Bryan Alexander Stepanenko, MD, MPH (1 shared paper).
What insurance does Joshua Nackenson accept?
Joshua Nackenson is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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