Justin A. Co
- Medicare patients, 2024
- 591
- Part D claims, 2024
- 377
- Hospital affiliations
- 4
- Industry payments
- $142
- Medical group
- 1
- 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 Justin Co'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.
Justin A. Co is a physician assistant in Fremont, California
Justin Co practices at Washington Health in Fremont, California, part of Washington Health.
Justin Co's NPI, 1326778093, was assigned on June 14, 2022. Justin Co holds California license 63511.
- NPI
- 1326778093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971945718
- NPI enumeration date
- June 14, 2022
- 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
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Justin A. Co practices at Washington Health in Fremont, California
Justin Co'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
Justin A. Co is affiliated with 4 sites of care and 1 medical group
Justin Co's primary practice is Washington Health in Fremont, California, part of Washington Health. Justin Co is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Sah Orthopaedic Associates. Dmand AI also links Justin Co to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Justin A. Co's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Justin Co practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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.
Justin A. Co is one of 11,482 physician assistants in California
Physician assistant is Justin Co's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Justin Co is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Justin Co
Counts of physician assistants 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
Justin A. Co treated 591 Medicare patients in 2024, average age 75
CMS counts 591 Medicare patients who saw Justin Co in 2024. The largest group is 65 to 74, with 281 patients. 75% of them have arthritis, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Justin Co's median patient age at 76, with 59% women.
Justin Co's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Justin Co's Medicare patients by sex, 2024
- Women36662%
- Men22538%
Chronic conditions among Justin Co's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure66%
- Mood disorders20%
- Ischemic heart disease19%
- Osteoporosis18%
- Cancer17%
- Diabetes17%
Share of Medicare patients with each condition. A patient can have several.
Justin Co's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Justin A. Co wrote 377 Medicare Part D claims in 2024
In 2024, Justin Co wrote 377 Medicare Part D claims for 181 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Justin Co's Part D claims, 2024
- Opioids19%72 of 377 claims
- Antibiotics51%194 of 377 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Justin A. Co takes part in Medicare
Justin Co 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Justin A. Co received $142 in industry payments in 2025
CMS Open Payments shows 2 general payments to Justin Co from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $125.
Companies that paid Justin Co the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Justin A. Co'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 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Justin A. Co
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Justin A. Co's NPI number?
Justin A. Co's NPI number is 1326778093. It was assigned on June 14, 2022, and it is active in the NPI Registry.
What does Justin A. Co specialize in?
Justin A. Co is a physician assistant in Fremont, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Justin A. Co practice?
Justin Co practices at 2000 Mowry Ave, Fremont, CA 94538. Justin Co's primary practice is Washington Health in Fremont, California, part of Washington Health. Dmand AI also links Justin Co to 2 hospitals.
What is Justin A. Co's office phone number?
The practice phone on file for Justin Co is (510) 797-1111.
What is Justin A. Co's medical license number?
Justin Co holds California license 63511.
Which hospitals is Justin A. Co affiliated with?
Justin Co practices at Washington Health in Fremont, California. Justin Co is also affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Justin Co to 2 more hospitals.
What medical group is Justin A. Co part of?
Justin Co is linked to Sah Orthopaedic Associates.
Does Justin A. Co accept Medicare?
Yes. CMS lists Justin Co as accepting Medicare assignment.
How many Medicare patients does Justin A. Co see?
CMS counts 591 Medicare patients who saw Justin Co in 2024, with an average age of 75.
Has Justin A. Co received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Justin Co from 2 companies from 2025 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Justin A. Co been practicing?
Justin Co graduated from medical school in 2023, 3 years ago.
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