Dr. Joshua Scott Parnes, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 208
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Parnes' 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. Joshua Scott Parnes is an emergency medicine physician in Downey, California
Dr. Parnes practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Dr. Parnes' NPI, 1740489020, was assigned on July 16, 2007. Dr. Parnes graduated from New York Medical College in 2003. Dr. Parnes holds California license A99643.
- NPI
- 1740489020NPI Registry (opens in a new tab)
- NPI enumeration date
- July 16, 2007
- NPI status
- Active
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joshua Scott Parnes practices at Downey Medical Center in Downey, California
Dr. Parnes' primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Dr. Joshua Scott Parnes is affiliated with 3 sites of care and 1 medical group
Dr. Parnes' primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Parnes to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joshua Scott Parnes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parnes practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joshua Scott Parnes is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Parnes' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Parnes is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Parnes is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Parnes
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
Dr. Joshua Scott Parnes billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Parnes across 1 procedure code in 2024, for 17 Medicare patients. Medicare paid $771 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Parnes' Medicare services by type, 2018 to 2024
- 2018
- 2024
- Office and hospital visits
- 2018: 152024: 1220%
Dr. Parnes compared with the California median for emergency medicine physicians, 2024
- Dr. Parnes
- California median
- Medicare services
- 12vs 26595% below
- Medicare patients
- 17vs 24393% below
- Part D claims
- 109vs 6276% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Parnes' 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.
Need commercial claims for Dr. Parnes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parnes and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joshua Scott Parnes treated 17 Medicare patients in 2024, average age 72
CMS counts 17 Medicare patients who saw Dr. Parnes in 2024. 75% of them have high blood pressure. Their average risk score is 3.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Parnes' median patient age at 32, with 57% women.
Chronic conditions among Dr. Parnes' Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parnes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joshua Scott Parnes wrote 208 Medicare Part D claims in 2024
In 2024, Dr. Parnes wrote 208 Medicare Part D claims for 116 patients. 88% of them were for generic drugs. CMS names the drug for 109 of them, across 7 drugs with 11 or more claims each, at $1,326 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.
Dr. Parnes' Part D claims by kind of drug, 2024
- Generic183 claims88%
- Brand-name25 claims12%
Dr. Parnes' 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 Dr. Parnes' Part D claims, 2024
- Opioids20%42 of 208 claims
- Antibiotics25%52 of 208 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: 342024: 109221%
Drugs named by CMS: 7 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
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Dr. Joshua Scott Parnes has 1 publication on record
Dmand AI links 1 paper to Dr. Parnes. Dr. Parnes' most frequent co-authors are Robert Stuart Negrin, MD and James Lewis Zehnder, MD.
Dr. Parnes' most frequent co-authors
Recent publications by Dr. Parnes
See who Dr. Parnes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parnes 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
Dr. Joshua Scott Parnes graduated from New York Medical College
Dr. Parnes graduated from New York Medical College in 2003.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Joshua Scott Parnes accepts plans from 2 insurance carriers
Dr. Parnes is in network with 2 carriers, including Kaiser Permanente and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- NV State Medicaid
Plan types Dr. Parnes accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joshua Scott Parnes'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Joshua Scott Parnes
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. Joshua Scott Parnes' NPI number?
Dr. Joshua Scott Parnes' NPI number is 1740489020. It was assigned on July 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joshua Scott Parnes?
Dr. Joshua Scott Parnes is an emergency medicine physician in Downey, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joshua Scott Parnes practice?
Dr. Parnes practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Parnes' primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Parnes to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Joshua Scott Parnes' office phone number?
The practice phone on file for Dr. Parnes is (562) 461-6007.
What is Dr. Joshua Scott Parnes' medical license number?
Dr. Parnes holds California license A99643.
Which hospitals is Dr. Joshua Scott Parnes affiliated with?
Dr. Parnes practices at Downey Medical Center in Downey, California.
What medical group is Dr. Joshua Scott Parnes part of?
Dr. Parnes is linked to Southern California Permanente Medical Group.
Does Dr. Joshua Scott Parnes accept Medicare?
Yes. CMS data shows Dr. Parnes billed Medicare for 12 services in 2024.
How many Medicare patients does Dr. Joshua Scott Parnes see?
CMS counts 17 Medicare patients who saw Dr. Parnes in 2024, with an average age of 72.
Is Dr. Joshua Scott Parnes board certified?
Yes. Dr. Parnes is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Joshua Scott Parnes bill to Medicare?
In 2024, Dr. Parnes' most billed Medicare services were emergency department visit (99284).
Where did Dr. Joshua Scott Parnes go to medical school?
Dr. Parnes graduated from New York Medical College in 2003.
What drugs does Dr. Joshua Scott Parnes prescribe most?
In 2024 Medicare Part D data, Dr. Parnes' most prescribed drugs by claims were Oxycodone HCl, Ondansetron ODT and Albuterol Sulfate Hfa.
How long has Dr. Joshua Scott Parnes been practicing?
Dr. Parnes graduated from medical school in 2003, 23 years ago.
Does Dr. Joshua Scott Parnes do research?
Dmand AI links 1 publication to Dr. Parnes.
Who does Dr. Joshua Scott Parnes publish with?
Dr. Parnes' most frequent co-authors are Robert Stuart Negrin, MD (1 shared paper) and James Lewis Zehnder, MD (1 shared paper).
What insurance does Dr. Joshua Scott Parnes accept?
Dr. Parnes is in network with 2 carriers, including Kaiser Permanente and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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