Dr. Jessica Rachel Mosier, MD
- Medicare services, 2024
- 258
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 65
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 10 Woodland Road, Saint Helena, CA 94574
- Practice phone
- Call (707) 963-3611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mosier's professional email, personal email and mobile number
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Dr. Jessica Rachel Mosier is a psychiatrist in Saint Helena, California
Dr. Mosier practices at Adventist Health St. Helena in Saint Helena, California, part of Adventist Health.
Dr. Mosier's NPI, 1669645933, was assigned on April 8, 2008. Dr. Mosier graduated from University of Toledo College of Medicine in 2008. Dr. Mosier holds Montana license 26597.
- NPI
- 1669645933NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315180031
- NPI enumeration date
- April 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 963-3611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jessica Rachel Mosier practices at Adventist Health St. Helena in Saint Helena, California
Dr. Mosier's primary practice is Adventist Health St. Helena, at 10 Woodland Road, Saint Helena, CA 94574 in Napa County. The practice phone is (707) 963-3611.
- Adventist Health St. Helena10 Woodland Road, Saint Helena, CA 94574 · Napa CountyPhone(707) 963-3611
Source: Dmand AI Affiliation Data
Dr. Jessica Rachel Mosier is affiliated with 2 sites of care and 1 medical group
Dr. Mosier's primary practice is Adventist Health St. Helena in Saint Helena, California, part of Adventist Health. Dr. Mosier is also affiliated with Providence St. Joseph Hospital Eureka. The medical group on file is Humboldt County Public Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jessica Rachel Mosier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mosier practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health St. Helena | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jessica Rachel Mosier is one of 6,803 psychiatrists in California
Psychiatry is Dr. Mosier's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Mosier is licensed in Montana.
Specialties and state licenses
- Psychiatry, MontanaPrimary
Psychiatrists near Dr. Mosier
Counts of psychiatrists 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. Jessica Rachel Mosier billed Medicare for 258 services in 2024
CMS data shows 258 Medicare services from Dr. Mosier across 2 procedure codes in 2024, for 28 Medicare patients. Medicare paid $10,531 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mosier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 892024: 258190%
Dr. Mosier compared with the California median for psychiatrists, 2024
- Dr. Mosier
- California median
- Medicare services
- 258vs 1192.2 times
- Medicare patients
- 28vs 4132% below
- Part D claims
- 13vs 14491% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Mosier'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 Dr. Mosier and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jessica Rachel Mosier treated 28 Medicare patients in 2024, average age 50
CMS counts 28 Medicare patients who saw Dr. Mosier in 2024. 75% of them have schizophrenia and other psychoses, and 68% have alcohol and drug use disorders. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mosier's median patient age at 56, with 46% women.
Dr. Mosier's Medicare patients by sex, 2024
- Women1243%
- Men1657%
Chronic conditions among Dr. Mosier's Medicare patients, 2024
- Schizophrenia and other psychoses75%
- Alcohol and drug use disorders68%
- Anxiety61%
- Mood disorders61%
- Bipolar disorder50%
- Tobacco use46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mosier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jessica Rachel Mosier wrote 65 Medicare Part D claims in 2024
In 2024, Dr. Mosier wrote 65 Medicare Part D claims for 13 patients. 97% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $213 in total drug cost. In 2020, CMS named 21 claims across 1 drug.
Dr. Mosier's Part D claims by kind of drug, 2024
- Generic63 claims97%
- Brand-name and other2 claims3%
Dr. Mosier's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 212021: 1338%
Drugs named by CMS: 1 in 2021, 1 in 2020.
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 Dr. Jessica Rachel Mosier takes part in Medicare
Dr. Mosier 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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Dr. Jessica Rachel Mosier graduated from University of Toledo College of Medicine
Dr. Mosier graduated from University of Toledo College of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jessica Rachel Mosier'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jessica Rachel Mosier
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What is Dr. Jessica Rachel Mosier's NPI number?
Dr. Jessica Rachel Mosier's NPI number is 1669645933. It was assigned on April 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jessica Rachel Mosier?
Dr. Jessica Rachel Mosier is a psychiatrist in Saint Helena, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Jessica Rachel Mosier practice?
Dr. Mosier practices at 10 Woodland Road, Saint Helena, CA 94574. Dr. Mosier's primary practice is Adventist Health St. Helena in Saint Helena, California, part of Adventist Health.
What is Dr. Jessica Rachel Mosier's office phone number?
The practice phone on file for Dr. Mosier is (707) 963-3611.
What is Dr. Jessica Rachel Mosier's medical license number?
Dr. Mosier holds Montana license 26597.
Which hospitals is Dr. Jessica Rachel Mosier affiliated with?
Dr. Mosier practices at Adventist Health St. Helena in Saint Helena, California. Dr. Mosier is also affiliated with Providence St. Joseph Hospital Eureka.
What medical group is Dr. Jessica Rachel Mosier part of?
Dr. Mosier is linked to Humboldt County Public Health.
Does Dr. Jessica Rachel Mosier accept Medicare?
Yes. CMS data shows Dr. Mosier billed Medicare for 258 services in 2024, and Dr. Mosier accepts Medicare assignment.
How many Medicare patients does Dr. Jessica Rachel Mosier see?
CMS counts 28 Medicare patients who saw Dr. Mosier in 2024, with an average age of 50.
What services does Dr. Jessica Rachel Mosier bill to Medicare?
In 2024, Dr. Mosier's most billed Medicare services were hospital inpatient care (99231) and hospital inpatient care (99232).
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Where did Dr. Jessica Rachel Mosier go to medical school?
Dr. Mosier graduated from University of Toledo College of Medicine in 2008.
What drugs does Dr. Jessica Rachel Mosier prescribe most?
In 2021 Medicare Part D data, Dr. Mosier's most prescribed drugs by claims were Olanzapine.
How long has Dr. Jessica Rachel Mosier been practicing?
Dr. Mosier graduated from medical school in 2008, 18 years ago.
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