Arthritis Care Res (Hoboken)
Community Health ServicesCOVID-19Delivery of Health Care
Dr. Daniel Arthur Watrous, MD
NPI1841246568PAC ID3577632694
- Medicare services, 2024
- 339,506
- Medicare patients, 2024
- 1,300
- Part D claims, 2024
- 1,257
- Publications
- 1
- MIPS score, 2024
- 75
- Practice address
- 5315 W Hillsdale Ave, Visalia, CA 93291
- Practice phone
- Call (559) 732-9900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sierra Pacific Arthritis & Rheumatology Centers
Visalia, California
Find Dr. Watrous' 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. Daniel Arthur Watrous is a rheumatologist in Visalia, California
Dr. Watrous practices at Sierra Pacific Arthritis & Rheumatology Centers in Visalia, California.
Dr. Watrous' NPI, 1841246568, was assigned on May 25, 2006. Dr. Watrous graduated from Oral Roberts University School of Medicine in 1984. Dr. Watrous holds California license G55060.
NPI and contact details
- NPI
- 1841246568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577632694
- NPI enumeration date
- May 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 732-9900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Arthur Watrous practices at Sierra Pacific Arthritis & Rheumatology Centers in Visalia, California
Dr. Watrous' primary practice is Sierra Pacific Arthritis & Rheumatology Centers, at 5315 W Hillsdale Ave, Visalia, CA 93291 in Tulare County. The practice phone is (559) 732-9900.
- Sierra Pacific Arthritis & Rheumatology Centers5315 W Hillsdale Ave, Visalia, CA 93291 · Tulare CountyPhone(559) 732-9900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Daniel Arthur Watrous is affiliated with 9 sites of care and 2 medical groups
Dr. Watrous' primary practice is Sierra Pacific Arthritis & Rheumatology Centers in Visalia, California. Dr. Watrous is also affiliated with Kaweah Health Medical Center. The medical group on file is American Arthritis and Rheumatology Associates (AARA). Dmand AI also links Dr. Watrous to 4 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sierra Pacific Arthritis & Rheumatology CentersPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daniel Arthur Watrous' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Watrous practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra Pacific Arthritis & Rheumatology Centers | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Daniel Arthur Watrous is one of 821 rheumatologists in California
Rheumatology is Dr. Watrous' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Watrous is board certified in internal medicine by the American Board of Internal Medicine. Dr. Watrous is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, joint pain, lupus and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Watrous treats.
Rheumatologists near Dr. Watrous
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
821rheumatologists in California
2rheumatologists in Visalia
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Daniel Arthur Watrous billed Medicare for 339,506 services in 2024
CMS data shows 339,506 Medicare services from Dr. Watrous across 26 procedure codes in 2024, for 1,300 Medicare patients. Medicare paid $4,464,309 for them. Every service was in an office.
Medicare services, 2024339,506
Medicare patients1,300
Paid by Medicare$4.5M
Procedure codes26
Dr. Watrous' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 221,5672024: 331,61750%
- Tests and treatments
- 2023: 3,4452024: 3,98416%
- Office and hospital visits
- 2023: 4,4572024: 3,71817%
- Surgery
- 2023: 1602024: 18717%
Dr. Watrous compared with the California median for rheumatologists, 2024
- Dr. Watrous
- California median
- Medicare services
- 339,506vs 900377.2 times
- Medicare patients
- 1,300vs 2166.0 times
- Part D claims
- 1,066vs 96211% above
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Watrous' 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.
Need commercial claims for Dr. Watrous?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Watrous and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Arthur Watrous treated 1,300 Medicare patients in 2024, average age 70
CMS counts 1,300 Medicare patients who saw Dr. Watrous in 2024. The largest group is 65 to 74, with 584 patients. 75% of them have arthritis, and 75% have high blood pressure. 49% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Watrous' median patient age at 58, with 81% women.
Medicare patients, 20241,300
Average age70
Average risk score1.40
Also on Medicaid49%
Dr. Watrous' Medicare patients by age, 2024
Dr. Watrous' Medicare patients by sex, 2024
- Women1,02679%
- Men27421%
Chronic conditions among Dr. Watrous' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis39%
- Diabetes35%
- Anxiety25%
- Chronic kidney disease25%
- Ischemic heart disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Watrous' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women81%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Arthur Watrous wrote 1,257 Medicare Part D claims in 2024
In 2024, Dr. Watrous wrote 1,257 Medicare Part D claims for 327 patients. 87% of them were for generic drugs. CMS names the drug for 1,066 of them, across 22 drugs with 11 or more claims each, at $440,805 in total drug cost. In 2023, CMS named 1,211 claims across 24 drugs.
Part D claims, 20241,257
Drugs named by CMS22
Total drug cost$440,805
Part D patients327
Dr. Watrous' Part D claims by kind of drug, 2024
- Generic1,094 claims87%
- Brand-name and other163 claims13%
Dr. Watrous' 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. Watrous' Part D claims, 2024
- Opioids5%64 of 1,257 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: 1,2112024: 1,06612%
Drugs named by CMS: 22 in 2024, 24 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
Dr. Daniel Arthur Watrous scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Watrous for performance year 2024, reported as part of a group. Dr. Watrous accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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. Daniel Arthur Watrous has 1 publication on record
Dmand AI links 1 paper to Dr. Watrous in 2021. Dr. Watrous' most frequent co-authors are Jeffrey A. Alper, MD, PA, Jeffrey R. Curtis, MD and Maria I. Danila.
Papers1
Dr. Watrous' most frequent co-authors
- Jeffrey A. Alper, MD, PA1 shared paper
- Jeffrey R. Curtis, MD1 shared paper
- Maria I. Danila1 shared paper
Recent publications by Dr. Watrous
See who Dr. Watrous researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Watrous 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. Daniel Arthur Watrous received $21,414 in industry payments from 2016 to 2025
CMS Open Payments shows 893 general payments to Dr. Watrous from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. Janssen Pharmaceuticals, Inc paid the most, $7,307.
General payments to Dr. Watrous by program year, 2016 to 2025
General payments to Dr. Watrous by kind, 2016 to 2025
$21.4Kin total
- Food and beverage$16,78278%
- Consulting fees$4,11019%
- Education$2831%
- Grants$2401%
Companies that paid Dr. Watrous the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Arthur Watrous graduated from Oral Roberts University School of Medicine
Dr. Watrous graduated from Oral Roberts University School of Medicine in 1984.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Daniel Arthur Watrous accepts plans from 16 insurance carriers
Dr. Watrous is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Watrous accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Arthur Watrous'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Daniel Arthur Watrous
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. Daniel Arthur Watrous' NPI number?
Dr. Daniel Arthur Watrous' NPI number is 1841246568. It was assigned on May 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Arthur Watrous?
Dr. Daniel Arthur Watrous is a rheumatologist in Visalia, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Daniel Arthur Watrous practice?
Dr. Watrous practices at 5315 W Hillsdale Ave, Visalia, CA 93291. Dr. Watrous' primary practice is Sierra Pacific Arthritis & Rheumatology Centers in Visalia, California. Dmand AI also links Dr. Watrous to 4 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Daniel Arthur Watrous' office phone number?
The practice phone on file for Dr. Watrous is (559) 732-9900.
What is Dr. Daniel Arthur Watrous' medical license number?
Dr. Watrous holds California license G55060.
Which hospitals is Dr. Daniel Arthur Watrous affiliated with?
Dr. Watrous is affiliated with Kaweah Health Medical Center. Dmand AI links Dr. Watrous to 4 more hospitals.
What medical group is Dr. Daniel Arthur Watrous part of?
Dr. Watrous is linked to American Arthritis and Rheumatology Associates (AARA). Dmand AI links Dr. Watrous to 1 more medical group.
Does Dr. Daniel Arthur Watrous accept Medicare?
Yes. CMS data shows Dr. Watrous billed Medicare for 339,506 services in 2024, and Dr. Watrous accepts Medicare assignment.
What is Dr. Daniel Arthur Watrous' MIPS score?
Dr. Watrous' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Daniel Arthur Watrous see?
CMS counts 1,300 Medicare patients who saw Dr. Watrous in 2024, with an average age of 70.
Show 9 more questionsShow fewer questions
Is Dr. Daniel Arthur Watrous board certified?
Yes. Dr. Watrous is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Daniel Arthur Watrous bill to Medicare?
In 2024, Dr. Watrous' most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J1602) and injected or infused drug (J3111).
Where did Dr. Daniel Arthur Watrous go to medical school?
Dr. Watrous graduated from Oral Roberts University School of Medicine in 1984.
What drugs does Dr. Daniel Arthur Watrous prescribe most?
In 2024 Medicare Part D data, Dr. Watrous' most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Daniel Arthur Watrous received payments from drug or device companies?
CMS Open Payments shows $21,414 in general payments to Dr. Watrous from 35 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Daniel Arthur Watrous been practicing?
Dr. Watrous graduated from medical school in 1984, 42 years ago.
Does Dr. Daniel Arthur Watrous do research?
Dmand AI links 1 publication to Dr. Watrous.
Who does Dr. Daniel Arthur Watrous publish with?
Dr. Watrous' most frequent co-authors are Jeffrey A. Alper, MD, PA (1 shared paper), Jeffrey R. Curtis, MD (1 shared paper) and Maria I. Danila (1 shared paper).
What insurance does Dr. Daniel Arthur Watrous accept?
Dr. Watrous is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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