Dr. Marshall Cooperson, DO
- Medicare services, 2019
- 21,882
- Part D claims, 2024
- 11
- Industry payments
- $3,069
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 3010 Beard Rd, Napa, CA 94558
- Practice phone
- Call (707) 257-1550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Health Northern California - Primary Care - Napa (Beard Rd)
Primary care practice · Napa, California
Find Dr. Cooperson's professional email, personal email and mobile number
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Dr. Marshall Cooperson is an internist in Napa, California
Dr. Cooperson practices at St Joseph Health Northern California - Primary Care - Napa (Beard Rd) in Napa, California.
Dr. Cooperson's NPI, 1194743195, was assigned on July 17, 2006. Dr. Cooperson graduated from Des Moines University in 1987. Dr. Cooperson holds California license 20A5492.
- NPI
- 1194743195NPI Registry (opens in a new tab)
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (707) 257-1550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marshall Cooperson practices at St Joseph Health Northern California - Primary Care - Napa (Beard Rd) in Napa, California
Dr. Cooperson's primary practice is St Joseph Health Northern California - Primary Care - Napa (Beard Rd), at 3010 Beard Rd, Napa, CA 94558. The practice phone is (707) 257-1550.
- St Joseph Health Northern California - Primary Care - Napa (Beard Rd)3010 Beard Rd, Napa, CA 94558Phone(707) 257-1550
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marshall Cooperson is affiliated with 1 site of care and 1 medical group
Dr. Cooperson's primary practice is St Joseph Health Northern California - Primary Care - Napa (Beard Rd) in Napa, California. The medical group on file is Providence Queen of the Valley Medical Center.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Marshall Cooperson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cooperson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Joseph Health Northern California - Primary Care - Napa (Beard Rd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marshall Cooperson is one of 16,751 internists in California
Internal medicine is Dr. Cooperson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cooperson is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Cooperson
Counts of internists 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. Marshall Cooperson billed Medicare for 21,882 services in 2019
CMS data shows 21,882 Medicare services from Dr. Cooperson across 15 procedure codes in 2019. Medicare paid $64,473 for them. Every service was in an office.
Dr. Cooperson's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Drugs given in the office
- 2018: 36,0572019: 20,93442%
- Office and hospital visits
- 2018: 1,0002019: 50150%
- Other services
- 2018: 5882019: 22063%
- Tests and treatments
- 2018: 4922019: 18562%
- Lab and pathology
- 2018: 652019: 4235%
- Surgery
- 2018: 252019: 0100%
Dr. Cooperson compared with the California median for internists, 2019
- Dr. Cooperson
- California median
- Medicare services
- 21,882vs 36160.6 times
- Part D claims
- 57vs 42186% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Cooperson'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.
Need commercial claims for Dr. Cooperson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cooperson and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marshall Cooperson's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Cooperson's median patient age at 70, with 53% women.
Dr. Cooperson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Marshall Cooperson wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Cooperson wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 3 drugs, with $986 in total drug cost. In 2019, CMS named 1,708 claims across 57 drugs.
Dr. Cooperson'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: 1,7082020: 5797%
Drugs named by CMS: 3 in 2020, 57 in 2019.
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. Marshall Cooperson received $3,069 in industry payments from 2016 to 2019
CMS Open Payments shows 186 general payments to Dr. Cooperson from 28 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $482.
General payments to Dr. Cooperson by program year, 2016 to 2019
General payments to Dr. Cooperson by kind, 2016 to 2019
- Food and beverage$3,053100%
- Education$150%
Companies that paid Dr. Cooperson the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marshall Cooperson graduated from Des Moines University
Dr. Cooperson graduated from Des Moines University in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Marshall Cooperson accepts plans from 10 insurance carriers
Dr. Cooperson is in network with 10 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- Aspirus Health Plan
- +2 more carriersWith a free account
Plan types Dr. Cooperson accepts, by number of carriers
- PPO7
- Medicare6
- HMO4
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Marshall Cooperson'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)Medicare Part D Prescribers - by Provider (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. Marshall Cooperson
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. Marshall Cooperson's NPI number?
Dr. Marshall Cooperson's NPI number is 1194743195. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marshall Cooperson?
Dr. Marshall Cooperson is an internist in Napa, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marshall Cooperson practice?
Dr. Cooperson practices at 3010 Beard Rd, Napa, CA 94558. Dr. Cooperson's primary practice is St Joseph Health Northern California - Primary Care - Napa (Beard Rd) in Napa, California.
What is Dr. Marshall Cooperson's office phone number?
The practice phone on file for Dr. Cooperson is (707) 257-1550.
What is Dr. Marshall Cooperson's medical license number?
Dr. Cooperson holds California license 20A5492.
What medical group is Dr. Marshall Cooperson part of?
Dr. Cooperson is linked to Providence Queen of the Valley Medical Center.
Does Dr. Marshall Cooperson accept Medicare?
Yes. CMS data shows Dr. Cooperson billed Medicare for 21,882 services in 2019.
What services does Dr. Marshall Cooperson bill to Medicare?
In 2019, Dr. Cooperson's most billed Medicare services were injected or infused drug (J1071), injected or infused drug (J0897) and office visit, established patient (99214).
Where did Dr. Marshall Cooperson go to medical school?
Dr. Cooperson graduated from Des Moines University in 1987.
What drugs does Dr. Marshall Cooperson prescribe most?
In 2020 Medicare Part D data, Dr. Cooperson's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Potassium Chloride.
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Has Dr. Marshall Cooperson received payments from drug or device companies?
CMS Open Payments shows $3,069 in general payments to Dr. Cooperson from 28 companies from 2016 to 2019. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Marshall Cooperson been practicing?
Dr. Cooperson graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Marshall Cooperson accept?
Dr. Cooperson is in network with 10 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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