J Eukaryot Microbiol
BiotaCluster AnalysisDNA, Fungal
Dr. William Henry Harrison Reeder III, MD
NPI1134171564
- Medicare services, 2023
- 2,233
- Part D claims, 2024
- 38
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $2,542
- 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. Reeder'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. William Henry Harrison Reeder III is a rheumatologist in Mount Shasta, California
Dr. Reeder practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health.
Dr. Reeder's NPI, 1134171564, was assigned on May 16, 2006. Dr. Reeder graduated from UNMC in 1980. Dr. Reeder holds California license G50653.
NPI and contact details
- NPI
- 1134171564NPI Registry (opens in a new tab)
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Practice phone
- (530) 926-6111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Henry Harrison Reeder III practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California
Dr. Reeder'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. William Henry Harrison Reeder III is affiliated with 2 sites of care and 1 medical group
Dr. Reeder's primary practice is Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health. Dmand AI also links Dr. Reeder to 1 group practice or clinic and 1 medical group, 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. William Henry Harrison Reeder III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reeder practices, 2 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 |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Henry Harrison Reeder III is one of 821 rheumatologists in California
Rheumatology is Dr. Reeder's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Reeder is board certified in internal medicine by the American Board of Internal Medicine. Dr. Reeder is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint pain, lupus, muscle disease, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Dr. Reeder treats.
Rheumatologists near Dr. Reeder
Counts of rheumatologists 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. William Henry Harrison Reeder III billed Medicare for 2,233 services in 2023
CMS data shows 2,233 Medicare services from Dr. Reeder across 13 procedure codes in 2023. Medicare paid $79,468 for them. Every service was in an office.
Medicare services, 20232,233
Paid by Medicare$79,468
Procedure codes13
Dr. Reeder's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Other services
- 2022: 7,0222023: 1,53078%
- Office and hospital visits
- 2022: 1,4342023: 34876%
- Tests and treatments
- 2022: 1,0682023: 20781%
- Drugs given in the office
- 2022: 9,4982023: 14898%
- Surgery
- 2022: 192023: 0100%
Dr. Reeder compared with the California median for rheumatologists, 2023
- Dr. Reeder
- California median
- Medicare services
- 2,233vs 9002.5 times
- Part D claims
- 1,538vs 96260% above
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Reeder'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. Reeder?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reeder and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Henry Harrison Reeder III's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Reeder's median patient age at 73, with 75% women.
Dr. Reeder'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
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. William Henry Harrison Reeder III wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Reeder wrote 38 Medicare Part D claims for 11 patients. 82% of them were for generic drugs. They cover 36 drugs, with $993,251 in total drug cost. In 2022, CMS named 4,277 claims across 62 drugs.
Part D claims, 202438
Drugs named by CMS36
Total drug cost$993,251
Part D patients11
Dr. Reeder's Part D claims by kind of drug, 2024
- Generic31 claims82%
- Brand-name and other7 claims18%
Dr. Reeder's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4,2772023: 1,53864%
Drugs named by CMS: 36 in 2023, 62 in 2022.
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. William Henry Harrison Reeder III has 4 publications on record
Dmand AI links 4 papers to Dr. Reeder, published from 2013 to 2015. The most frequent topics are Eukaryota and Temperature.
Papers4
Years published2013 to 2015
Dr. Reeder's papers by year, 2013 to 2015
Topics Dr. Reeder writes about most
- Eukaryota
- Temperature
Recent publications by Dr. Reeder
J Microbiol Methods
EukaryotaGraphiteIncubators
Drug Intell Clin Pharm
Drug LabelingDrug PrescriptionsDrug-Related Side Effects and Adverse Reactions
See who Dr. Reeder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Reeder works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Henry Harrison Reeder III received $2,542 in industry payments from 2016 to 2023
CMS Open Payments shows 169 general payments to Dr. Reeder from 17 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 86% of the total. Genentech, Inc. paid the most, $642.
General payments to Dr. Reeder by program year, 2016 to 2023
General payments to Dr. Reeder by kind, 2016 to 2023
$2.5Kin total
- Food and beverage$2,19486%
- Education$34814%
Companies that paid Dr. Reeder 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. William Henry Harrison Reeder III has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Reeder, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Reeder
- 2013
- CMS Stage 1 EHR
- Undated
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. William Henry Harrison Reeder III graduated from UNMC
Dr. Reeder graduated from UNMC in 1980. Dr. Reeder is a member of ACR.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. William Henry Harrison Reeder III accepts plans from 3 insurance carriers
Dr. Reeder is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
Plan types Dr. Reeder accepts, by number of carriers
- Medicare3
- PPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. William Henry Harrison Reeder III'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. William Henry Harrison Reeder III
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. William Henry Harrison Reeder III's NPI number?
Dr. William Henry Harrison Reeder III's NPI number is 1134171564. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Henry Harrison Reeder III?
Dr. William Henry Harrison Reeder III is a rheumatologist in Mount Shasta, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. William Henry Harrison Reeder III practice?
Dr. Reeder practices at 914 Pine Street, Mount Shasta, CA 96067. Dr. Reeder's primary practice is Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California, part of CommonSpirit Health. Dmand AI also links Dr. Reeder to 1 group practice or clinic and 1 medical group.
What is Dr. William Henry Harrison Reeder III's office phone number?
The practice phone on file for Dr. Reeder is (530) 926-6111.
What is Dr. William Henry Harrison Reeder III's medical license number?
Dr. Reeder holds California license G50653.
Which hospitals is Dr. William Henry Harrison Reeder III affiliated with?
Dr. Reeder practices at Dignity Health - Mercy Medical Center Mount Shasta in Mount Shasta, California.
Does Dr. William Henry Harrison Reeder III accept Medicare?
Yes. CMS data shows Dr. Reeder billed Medicare for 2,233 services in 2023.
Is Dr. William Henry Harrison Reeder III board certified?
Yes. Dr. Reeder is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. William Henry Harrison Reeder III bill to Medicare?
In 2023, Dr. Reeder's most billed Medicare services were medicare temporary code (Q5104), care management and other visits (99443) and infusion or chemotherapy administration (96415).
Where did Dr. William Henry Harrison Reeder III go to medical school?
Dr. Reeder graduated from UNMC in 1980.
Show 5 more questionsShow fewer questions
What drugs does Dr. William Henry Harrison Reeder III prescribe most?
In 2023 Medicare Part D data, Dr. Reeder's most prescribed drugs by claims were Prednisone, Methotrexate and Hydroxychloroquine Sulfate.
Has Dr. William Henry Harrison Reeder III received payments from drug or device companies?
CMS Open Payments shows $2,542 in general payments to Dr. Reeder from 17 companies from 2016 to 2023. The largest total came from Genentech, Inc.
How long has Dr. William Henry Harrison Reeder III been practicing?
Dr. Reeder graduated from medical school in 1980, 46 years ago.
Does Dr. William Henry Harrison Reeder III do research?
Dmand AI links 4 publications to Dr. Reeder, published from 2013 to 2015.
What insurance does Dr. William Henry Harrison Reeder III accept?
Dr. Reeder is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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