Dr. Richard P. Detwiler, MD
- Medicare services, 2023
- 117
- Medicare patients, 2024
- 30
- Part D claims, 2020
- 20
- Hospital affiliations
- 1
- Industry payments
- $553
- Practice address
- 1100 Marshall Way, Placerville, CA 95667
- Practice phone
- Call (530) 622-1441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Detwiler'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. Richard P. Detwiler is a general surgeon in Placerville, California
Dr. Detwiler practices at Marshall Medical in Placerville, California, part of Marshall Medical Center.
Dr. Detwiler's NPI, 1912949850, was assigned on June 12, 2006. Dr. Detwiler graduated from Loma Linda University School Of Medicine in 1974. Dr. Detwiler holds California license G31263.
- NPI
- 1912949850NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325093529
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 622-1441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard P. Detwiler practices at Marshall Medical in Placerville, California
Dr. Detwiler's primary practice is Marshall Medical, at 1100 Marshall Way, Placerville, CA 95667 in El Dorado County. The practice phone is (530) 622-1441.
- Marshall Medical1100 Marshall Way, Placerville, CA 95667 · El Dorado CountyPhone(530) 622-1441
Source: Dmand AI Affiliation Data
Dr. Richard P. Detwiler is affiliated with 2 sites of care and 1 medical group
Dr. Detwiler's primary practice is Marshall Medical in Placerville, California, part of Marshall Medical Center. The medical group on file is Marshall Medical Center. Dmand AI also links Dr. Detwiler to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Richard P. Detwiler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Detwiler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshall Medical | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Marshall Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Richard P. Detwiler is one of 2,926 general surgeons in California
Surgery is Dr. Detwiler's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Detwiler is board certified in surgery by the American Board of Surgery. Dr. Detwiler is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, cancerous skin growth removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Detwiler treats.
General surgeons near Dr. Detwiler
Counts of general surgeons 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. Richard P. Detwiler billed Medicare for 117 services in 2023
CMS data shows 117 Medicare services from Dr. Detwiler across 5 procedure codes in 2023, all of them office visits, for 30 Medicare patients. Medicare paid $7,693 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Detwiler's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 532023: 117121%
Dr. Detwiler compared with the California median for general surgeons, 2023
- Dr. Detwiler
- California median
- Medicare services
- 117vs 16630% below
- Medicare patients
- 30vs 12175% below
- Part D claims
- 20vs 3441% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Detwiler's most billed Medicare procedure codes, 2023
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. Detwiler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Detwiler and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard P. Detwiler treated 30 Medicare patients in 2024, average age 74
CMS counts 30 Medicare patients who saw Dr. Detwiler in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Detwiler's median patient age at 73, with 50% women.
Dr. Detwiler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Detwiler's Medicare patients by sex, 2024
- Women1860%
- Men1240%
Chronic conditions among Dr. Detwiler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis43%
- Cancer37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Detwiler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard P. Detwiler wrote 20 Medicare Part D claims in 2020
In 2020, Dr. Detwiler wrote 20 Medicare Part D claims. They cover 1 drug, with $135 in total drug cost. In 2019, CMS named 20 claims across 1 drug.
Dr. Detwiler'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: 202020: 20No change
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Richard P. Detwiler takes part in Medicare
Dr. Detwiler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Richard P. Detwiler received $553 in industry payments from 2016 to 2023
CMS Open Payments shows 26 general payments to Dr. Detwiler from 18 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 92% of the total. Genentech, Inc. paid the most, $84.
General payments to Dr. Detwiler by program year, 2016 to 2023
General payments to Dr. Detwiler by kind, 2016 to 2023
- Food and beverage$51192%
- Education$428%
Companies that paid Dr. Detwiler the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard P. Detwiler graduated from Loma Linda University School Of Medicine
Dr. Detwiler graduated from Loma Linda University School Of Medicine in 1974.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Richard P. Detwiler accepts plans from 13 insurance carriers
Dr. Detwiler is in network with 13 carriers, including Elevance, United Healthcare and HCSC. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +5 more carriersWith a free account
Plan types Dr. Detwiler accepts, by number of carriers
- PPO8
- HMO6
- Medicare4
- EPO3
- Medicaid2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard P. Detwiler'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Richard P. Detwiler
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. Richard P. Detwiler's NPI number?
Dr. Richard P. Detwiler's NPI number is 1912949850. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard P. Detwiler?
Dr. Richard P. Detwiler is a general surgeon in Placerville, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Richard P. Detwiler practice?
Dr. Detwiler practices at 1100 Marshall Way, Placerville, CA 95667. Dr. Detwiler's primary practice is Marshall Medical in Placerville, California, part of Marshall Medical Center. Dmand AI also links Dr. Detwiler to 1 group practice or clinic.
What is Dr. Richard P. Detwiler's office phone number?
The practice phone on file for Dr. Detwiler is (530) 622-1441.
What is Dr. Richard P. Detwiler's medical license number?
Dr. Detwiler holds California license G31263.
Which hospitals is Dr. Richard P. Detwiler affiliated with?
Dr. Detwiler practices at Marshall Medical in Placerville, California.
What medical group is Dr. Richard P. Detwiler part of?
Dr. Detwiler is linked to Marshall Medical Center.
Does Dr. Richard P. Detwiler accept Medicare?
Yes. CMS data shows Dr. Detwiler billed Medicare for 117 services in 2023, and Dr. Detwiler accepts Medicare assignment.
How many Medicare patients does Dr. Richard P. Detwiler see?
CMS counts 30 Medicare patients who saw Dr. Detwiler in 2024, with an average age of 74.
Is Dr. Richard P. Detwiler board certified?
Yes. Dr. Detwiler is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Richard P. Detwiler bill to Medicare?
In 2023, Dr. Detwiler's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99212) and office visit, established patient (99213).
Where did Dr. Richard P. Detwiler go to medical school?
Dr. Detwiler graduated from Loma Linda University School Of Medicine in 1974.
What drugs does Dr. Richard P. Detwiler prescribe most?
In 2020 Medicare Part D data, Dr. Detwiler's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Richard P. Detwiler received payments from drug or device companies?
CMS Open Payments shows $553 in general payments to Dr. Detwiler from 18 companies from 2016 to 2023. The largest total came from Genentech, Inc.
How long has Dr. Richard P. Detwiler been practicing?
Dr. Detwiler graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Richard P. Detwiler accept?
Dr. Detwiler is in network with 13 carriers, including Elevance, United Healthcare and HCSC. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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