Dr. Jonathan W. Fish, MD
- Medicare services, 2024
- 587
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 144
- Hospital affiliations
- 2
- Industry payments
- $17
- Practice address
- 914 Pine Street, Mount Shasta, CA 96067
- Practice phone
- Call (530) 926-6111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Fish'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.
Dr. Jonathan W. Fish is a family medicine physician in Mount Shasta, California
Dr. Fish practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health.
Dr. Fish's NPI, 1629039599, was assigned on March 30, 2006. Dr. Fish graduated from Loma Linda University School of Medicine in 1998. Dr. Fish holds Washington license MD00039820.
- NPI
- 1629039599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537216130
- NPI enumeration date
- March 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 926-6111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan W. Fish practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California
Dr. Fish's primary practice is Dignity Health - Mercy Medical Center Mount Shasta, at 914 Pine Street, Mount Shasta, CA 96067 in Siskiyou County. The practice phone is (530) 926-6111.
- Dignity Health - Mercy Medical Center Mount Shasta914 Pine Street, Mount Shasta, CA 96067 · Siskiyou CountyPhone(530) 926-6111
Source: Dmand AI Affiliation Data
Dr. Jonathan W. Fish is affiliated with 4 sites of care and 4 medical groups
Dr. Fish's primary practice is Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health. Dr. Fish is also affiliated with Shasta Regional Medical Center. The medical group on file is North State Hospitalist Medical Group, Inc. Dmand AI also links Dr. Fish to 3 more medical groups and 2 group practices and clinics, 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. Jonathan W. Fish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fish practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy Medical Center Mount Shasta | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan W. Fish is one of 15,680 family medicine physicians in California
Family medicine is Dr. Fish's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Fish is licensed in Washington.
Specialties and state licenses
- Family medicine, WashingtonPrimary
Family medicine physicians near Dr. Fish
Counts of family 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. Jonathan W. Fish billed Medicare for 587 services in 2024
CMS data shows 587 Medicare services from Dr. Fish across 7 procedure codes in 2024, for 216 Medicare patients. Medicare paid $51,956 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fish's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5952024: 5871%
Dr. Fish compared with the California median for family medicine physicians, 2024
- Dr. Fish
- California median
- Medicare services
- 587vs 2462.4 times
- Medicare patients
- 216vs 11883% above
- Part D claims
- 11vs 83399% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Fish'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan W. Fish treated 216 Medicare patients in 2024, average age 78
CMS counts 216 Medicare patients who saw Dr. Fish in 2024. The largest group is 75 to 84, with 87 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fish's median patient age at 77, with 51% women.
Dr. Fish's Medicare patients by age, 2024
Dr. Fish's Medicare patients by sex, 2024
- Women11553%
- Men10147%
Chronic conditions among Dr. Fish's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis43%
- Atrial fibrillation36%
- Chronic kidney disease36%
- Ischemic heart disease36%
- Anxiety35%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fish's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan W. Fish wrote 144 Medicare Part D claims in 2024
In 2024, Dr. Fish wrote 144 Medicare Part D claims for 70 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $8,009 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Fish's Part D claims by kind of drug, 2024
- Generic124 claims86%
- Brand-name20 claims14%
Dr. Fish'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 Dr. Fish's Part D claims, 2024
- Antibiotics26%38 of 144 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: 252024: 1156%
Drugs named by CMS: 1 in 2024, 2 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 Dr. Jonathan W. Fish takes part in Medicare
Dr. Fish 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. Jonathan W. Fish received $17 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Fish from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $17.
Companies that paid Dr. Fish the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan W. Fish graduated from Loma Linda University School of Medicine
Dr. Fish graduated from Loma Linda University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan W. Fish'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) |
| Industry payments | Open Payments (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. Jonathan W. Fish
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. Jonathan W. Fish's NPI number?
Dr. Jonathan W. Fish's NPI number is 1629039599. It was assigned on March 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan W. Fish?
Dr. Jonathan W. Fish is a family medicine physician in Mount Shasta, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jonathan W. Fish practice?
Dr. Fish practices at 914 Pine Street, Mount Shasta, CA 96067. Dr. Fish's primary practice is Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health. Dmand AI also links Dr. Fish to 3 medical groups and 2 group practices and clinics.
What is Dr. Jonathan W. Fish's office phone number?
The practice phone on file for Dr. Fish is (530) 926-6111.
What is Dr. Jonathan W. Fish's medical license number?
Dr. Fish holds Washington license MD00039820.
Which hospitals is Dr. Jonathan W. Fish affiliated with?
Dr. Fish practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California. Dr. Fish is also affiliated with Shasta Regional Medical Center.
What medical group is Dr. Jonathan W. Fish part of?
Dr. Fish is linked to North State Hospitalist Medical Group, Inc. Dmand AI links Dr. Fish to 3 more medical groups.
Does Dr. Jonathan W. Fish accept Medicare?
Yes. CMS data shows Dr. Fish billed Medicare for 587 services in 2024, and Dr. Fish accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan W. Fish see?
CMS counts 216 Medicare patients who saw Dr. Fish in 2024, with an average age of 78.
What services does Dr. Jonathan W. Fish bill to Medicare?
In 2024, Dr. Fish's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99239).
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Where did Dr. Jonathan W. Fish go to medical school?
Dr. Fish graduated from Loma Linda University School of Medicine in 1998.
What drugs does Dr. Jonathan W. Fish prescribe most?
In 2024 Medicare Part D data, Dr. Fish's most prescribed drugs by claims were Eliquis.
Has Dr. Jonathan W. Fish received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Fish from 1 company from 2017 to 2017. The largest total came from Mallinckrodt LLC.
How long has Dr. Jonathan W. Fish been practicing?
Dr. Fish graduated from medical school in 1998, 28 years ago.
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