Dr. Marie Ruth Champlin, DO
- Medicare services, 2024
- 75
- Medicare patients, 2024
- 63
- Part D claims, 2022
- 114
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 2060 Fairmont Dr, Castro Valley, CA 94578
- Practice phone
- Call (510) 346-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John George Psychiatric Hospital
Castro Valley, California
Find Dr. Champlin'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. Marie Ruth Champlin is a psychiatrist in Castro Valley, California
Dr. Champlin practices at John George Psychiatric Hospital in Castro Valley, California.
Dr. Champlin's NPI, 1164718276, was assigned on June 27, 2011. Dr. Champlin graduated from Touro University California - Vallejo in 2010. Dr. Champlin holds California license 20A16641.
- NPI
- 1164718276NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597005850
- NPI enumeration date
- June 27, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 346-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marie Ruth Champlin practices at John George Psychiatric Hospital in Castro Valley, California
Dr. Champlin's primary practice is John George Psychiatric Hospital, at 2060 Fairmont Dr, Castro Valley, CA 94578 in Alameda County. The practice phone is (510) 346-7500.
- John George Psychiatric Hospital2060 Fairmont Dr, Castro Valley, CA 94578 · Alameda CountyPhone(510) 346-7500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marie Ruth Champlin is affiliated with 2 sites of care and 3 medical groups
Dr. Champlin's primary practice is John George Psychiatric Hospital in Castro Valley, California. Dr. Champlin is also affiliated with Alameda Health System - Highland Hospital. The medical group on file is Alameda Health System. Dmand AI also links Dr. Champlin to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marie Ruth Champlin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Champlin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John George Psychiatric Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marie Ruth Champlin is one of 6,803 psychiatrists in California
Psychiatry is Dr. Champlin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Champlin is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Champlin's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists adjustment disease among the conditions Dr. Champlin treats.
Psychiatrists near Dr. Champlin
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. Marie Ruth Champlin billed Medicare for 75 services in 2024
CMS data shows 75 Medicare services from Dr. Champlin across 3 procedure codes in 2024, for 63 Medicare patients. Medicare paid $4,889 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Champlin's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 112024: 46318%
- Tests and treatments
- 2022: 02024: 29
Dr. Champlin compared with the California median for psychiatrists, 2024
- Dr. Champlin
- California median
- Medicare services
- 75vs 11937% below
- Medicare patients
- 63vs 4154% above
- Part D claims
- 114vs 14421% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Champlin'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. Champlin and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marie Ruth Champlin treated 63 Medicare patients in 2024, average age 49
CMS counts 63 Medicare patients who saw Dr. Champlin in 2024. The largest group is under 65, with 51 patients. 75% of them have alcohol and drug use disorders, and 75% have schizophrenia and other psychoses. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Champlin's median patient age at 36, with 30% women.
Dr. Champlin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Champlin's Medicare patients by sex, 2024
- Women2438%
- Men3962%
Chronic conditions among Dr. Champlin's Medicare patients, 2024
- Alcohol and drug use disorders75%
- Schizophrenia and other psychoses75%
- Tobacco use75%
- Mood disorders73%
- Anxiety67%
- Bipolar disorder56%
- Depression48%
- High cholesterol41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Champlin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women30%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marie Ruth Champlin wrote 114 Medicare Part D claims in 2022
In 2022, Dr. Champlin wrote 114 Medicare Part D claims. Every claim was for a generic drug. They cover 7 drugs, with $9,294 in total drug cost. In 2021, CMS named 447 claims across 19 drugs.
Dr. Champlin's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 4472022: 11474%
Drugs named by CMS: 7 in 2022, 19 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Marie Ruth Champlin scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Champlin for performance year 2024, reported as part of a group. Dr. Champlin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Champlin's MIPS scores, performance year 2024
- 95of 100Final score
- 86.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Marie Ruth Champlin received $171 in industry payments from 2019 to 2022
CMS Open Payments shows 3 general payments to Dr. Champlin from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 90% of the total. Janssen Pharmaceuticals, Inc paid the most, $154.
General payments to Dr. Champlin by program year, 2019 to 2022
General payments to Dr. Champlin by kind, 2019 to 2022
- Food and beverage$15490%
- Education$1710%
Companies that paid Dr. Champlin the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marie Ruth Champlin graduated from Touro University California - Vallejo
Dr. Champlin graduated from Touro University California - Vallejo in 2010.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Marie Ruth Champlin accepts plans from 6 insurance carriers
Dr. Champlin is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Champlin accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Marie Ruth Champlin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Marie Ruth Champlin
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. Marie Ruth Champlin's NPI number?
Dr. Marie Ruth Champlin's NPI number is 1164718276. It was assigned on June 27, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Marie Ruth Champlin?
Dr. Marie Ruth Champlin is a psychiatrist in Castro Valley, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Marie Ruth Champlin practice?
Dr. Champlin practices at 2060 Fairmont Dr, Castro Valley, CA 94578. Dr. Champlin's primary practice is John George Psychiatric Hospital in Castro Valley, California. Dmand AI also links Dr. Champlin to 2 medical groups.
What is Dr. Marie Ruth Champlin's office phone number?
The practice phone on file for Dr. Champlin is (510) 346-7500.
What is Dr. Marie Ruth Champlin's medical license number?
Dr. Champlin holds California license 20A16641, one of the licenses on file in 2 states.
Which states has Dr. Marie Ruth Champlin been licensed in?
Dmand AI has state licenses on file for Dr. Champlin in California (2018 to 2027) and Texas.
Which hospitals is Dr. Marie Ruth Champlin affiliated with?
Dr. Champlin is affiliated with Alameda Health System - Highland Hospital.
What medical group is Dr. Marie Ruth Champlin part of?
Dr. Champlin is linked to Alameda Health System. Dmand AI links Dr. Champlin to 2 more medical groups.
Does Dr. Marie Ruth Champlin accept Medicare?
Yes. CMS data shows Dr. Champlin billed Medicare for 75 services in 2024, and Dr. Champlin accepts Medicare assignment.
What is Dr. Marie Ruth Champlin's MIPS score?
Dr. Champlin's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Marie Ruth Champlin see?
CMS counts 63 Medicare patients who saw Dr. Champlin in 2024, with an average age of 49.
Is Dr. Marie Ruth Champlin board certified?
Yes. Dr. Champlin is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Marie Ruth Champlin bill to Medicare?
In 2024, Dr. Champlin's most billed Medicare services were office visit, established patient (99212), psychiatric service (90839) and office visit, established patient (99213).
Where did Dr. Marie Ruth Champlin go to medical school?
Dr. Champlin graduated from Touro University California - Vallejo in 2010.
What drugs does Dr. Marie Ruth Champlin prescribe most?
In 2022 Medicare Part D data, Dr. Champlin's most prescribed drugs by claims were Quetiapine Fumarate, Benztropine Mesylate and Fluvoxamine Maleate.
Has Dr. Marie Ruth Champlin received payments from drug or device companies?
CMS Open Payments shows $171 in general payments to Dr. Champlin from 2 companies from 2019 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Marie Ruth Champlin been practicing?
Dr. Champlin graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Marie Ruth Champlin accept?
Dr. Champlin is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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