Ronald B. Rook, PhD

  • Hemet, CA
  • Clinical psychologist
NPI1093823221PAC ID8527048446
Medicare patients, 2024
176
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
1350 East Devonshire Avenue, Hemet, CA 92544
Practice phone
Call (951) 925-2571
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Devonshire Care Center - Hemet

Skilled Nursing Facility · Hemet, California

See all 1 affiliations

Find Ronald Rook'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.

View contacts for free

Ronald B. Rook is a clinical psychologist in Hemet, California

Ronald Rook practices at Devonshire Care Center - Hemet in Hemet, California.

Ronald Rook's NPI, 1093823221, was assigned on August 28, 2006. Ronald Rook holds California license PSY9906.

NPI and contact details
Medicare PAC ID
8527048446
NPI enumeration date
August 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 925-2571
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Ronald B. Rook practices at Devonshire Care Center - Hemet in Hemet, California

Ronald Rook's primary practice is Devonshire Care Center - Hemet, at 1350 East Devonshire Avenue, Hemet, CA 92544 in Riverside County. The practice phone is (951) 925-2571.

  • Devonshire Care Center - Hemet
    1350 East Devonshire Avenue, Hemet, CA 92544 · Riverside CountyPhone(951) 925-2571

Source: Dmand AI Affiliation Data

Ronald B. Rook is affiliated with 1 site of care

Ronald Rook's primary practice is Devonshire Care Center - Hemet in Hemet, California.

Devonshire Care Center - HemetSkilled Nursing Facility · Hemet, CaliforniaPrimary
Parent health systemName with a free account
See Ronald Rook's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ronald B. Rook's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ronald Rook practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Devonshire Care Center - HemetAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Ronald Rook practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Ronald B. Rook is one of 3,615 clinical psychologists in California

Clinical is Ronald Rook's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Ronald Rook is licensed in California.

Specialties and state licenses

  • Clinical psychologist, CaliforniaPrimaryLicense PSY9906 · taxonomy 103TC0700X

Clinical psychologists near Ronald Rook

Counts of clinical psychologists with a Dmand AI profile, by place and practice. Each opens the list.

3,615clinical psychologists in California
5clinical psychologists in Hemet

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ronald B. Rook treated 176 Medicare patients in 2024, average age 78

CMS counts 176 Medicare patients who saw Ronald Rook in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have depression, and 75% have high blood pressure. 60% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Ronald Rook's median patient age at 72, with 59% women.

Medicare patients, 2024176
Average age78
Average risk score3.10
Also on Medicaid60%

Ronald Rook's Medicare patients by age, 2024

Ronald Rook's Medicare patients by sex, 2024

  • Women10660%
  • Men7040%

Chronic conditions among Ronald Rook's Medicare patients, 2024

  1. Depression75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Mood disorders75%
  5. Anxiety63%
  6. Arthritis63%
  7. Diabetes57%
  8. Heart failure51%

Share of Medicare patients with each condition. A patient can have several.

Ronald Rook's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Ronald B. Rook takes part in Medicare

Ronald Rook 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)

Sources for Ronald B. Rook's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ronald B. Rook

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ronald B. Rook's NPI number?

Ronald B. Rook's NPI number is 1093823221. It was assigned on August 28, 2006, and it is active in the NPI Registry.

What does Ronald B. Rook specialize in?

Ronald B. Rook is a clinical psychologist in Hemet, California. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).

Where does Ronald B. Rook practice?

Ronald Rook practices at 1350 East Devonshire Avenue, Hemet, CA 92544. Ronald Rook's primary practice is Devonshire Care Center - Hemet in Hemet, California.

What is Ronald B. Rook's office phone number?

The practice phone on file for Ronald Rook is (951) 925-2571.

What is Ronald B. Rook's medical license number?

Ronald Rook holds California license PSY9906.

Does Ronald B. Rook accept Medicare?

Yes. CMS lists Ronald Rook as accepting Medicare assignment.

How many Medicare patients does Ronald B. Rook see?

CMS counts 176 Medicare patients who saw Ronald Rook in 2024, with an average age of 78.

How long has Ronald B. Rook been practicing?

Ronald Rook graduated from medical school in 1983, 43 years ago.

Selling to clinical practices?

See clinical psychologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)