Dr. David Joseph Derose, MD

  • Clearlake, CA
  • Internist
NPI1700118700PAC ID3173651890
Part D claims, 2024
1,911
Hospital affiliations
1
Medical group
1
Insurance carriers
13
State licenses
8
Practice address
15630 18th Ave - Hwy 53, Clearlake, CA 95422
Practice phone
Call (707) 994-6486
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health Clear Lake

Hospital · Clearlake, California

See all 2 affiliations

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Dr. David Joseph Derose is an internist in Clearlake, California

Dr. Derose practices at Adventist Health Clear Lake in Clearlake, California, part of Adventist Health.

Dr. Derose's NPI, 1700118700, was assigned on February 2, 2010. Dr. Derose graduated from Loma Linda University School Of Medicine in 1984. Dr. Derose holds California license G83828.

NPI and contact details
Medicare PAC ID
3173651890
NPI enumeration date
February 2, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 994-6486
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. David Joseph Derose practices at Adventist Health Clear Lake in Clearlake, California

Dr. Derose's primary practice is Adventist Health Clear Lake, at 15630 18th Ave - Hwy 53, Clearlake, CA 95422 in Lake County. The practice phone is (707) 994-6486.

Source: Dmand AI Affiliation Data

Dr. David Joseph Derose is affiliated with 1 site of care and 1 medical group

Dr. Derose's primary practice is Adventist Health Clear Lake in Clearlake, California, part of Adventist Health. The medical group on file is Adventist Health Clear Lake. Dr. Derose's employer is on file too: a hospital.

See all 2 affiliations for Dr. Derose

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

Dmand AI tracks the EHR system at Dr. David Joseph Derose's practice

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

EHR by site
SiteEHR vendor and product
Adventist Health Clear LakeAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Joseph Derose is one of 16,751 internists in California

Internal medicine is Dr. Derose's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Derose is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Derose's licenses on file in 8 states: California, Florida, Oklahoma, Georgia, New York, Ohio, Indiana and Tennessee.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G83828 · 1997 to 2026 · taxonomy 207R00000X
  • Florida license1989 to 2025
  • Oklahoma license1996 to 2025
  • Georgia license1987 to 1997
  • New York license1993 to 1996
  • Ohio license1986 to 1996
  • Indiana license1989 to 1995
  • Tennessee license1987 to 1992

Clinical focus

Dmand AI lists acne, acute sinusitis, anxiety, arthritis, bipolar disorder, bronchitis, chronic diabetes and chronic hypertension among the conditions Dr. Derose treats.

Internists near Dr. Derose

Counts of internists 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. David Joseph Derose's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Dr. Derose's median patient age at 64, with 59% women.

Dr. Derose's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women59%
  • Men41%

Source: Dmand AI Patient Panel Data

Dr. David Joseph Derose wrote 1,911 Medicare Part D claims in 2024

In 2024, Dr. Derose wrote 1,911 Medicare Part D claims for 97 patients. 89% of them were for generic drugs. CMS names the drug for 1,503 of them, across 61 drugs with 11 or more claims each, at $60,082 in total drug cost. In 2023, CMS named 1,407 claims across 53 drugs.

Part D claims, 20241,911
Drugs named by CMS61
Total drug cost$60,082
Part D patients97

Dr. Derose's Part D claims by kind of drug, 2024

  • Generic1,700 claims89%
  • Brand-name184 claims10%
  • Other27 claims1%

Dr. Derose's 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. Derose's Part D claims, 2024

  • Antipsychotics, patients 65 and over2%42 of 1,911 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: 1,4072024: 1,5037%

Drugs named by CMS: 61 in 2024, 53 in 2023.

See all prescribing by Dr. Derose

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

How Dr. David Joseph Derose takes part in Medicare

Dr. Derose 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)

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Dr. David Joseph Derose graduated from Loma Linda University School Of Medicine

Dr. Derose graduated from Loma Linda University School Of Medicine in 1984.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in public health & general preventive medicineAmerican Board of Preventive Medicine

Source: Dmand AI Professional Profile Data

Dr. David Joseph Derose accepts plans from 13 insurance carriers

Dr. Derose is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Derose accepts, by number of carriers

  1. PPO8
  2. HMO6
  3. Medicare6
  4. EPO3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. David Joseph Derose'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 Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. David Joseph Derose

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. David Joseph Derose's NPI number?

Dr. David Joseph Derose's NPI number is 1700118700. It was assigned on February 2, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. David Joseph Derose?

Dr. David Joseph Derose is an internist in Clearlake, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. David Joseph Derose practice?

Dr. Derose practices at 15630 18th Ave - Hwy 53, Clearlake, CA 95422. Dr. Derose's primary practice is Adventist Health Clear Lake in Clearlake, California, part of Adventist Health.

What is Dr. David Joseph Derose's office phone number?

The practice phone on file for Dr. Derose is (707) 994-6486.

What is Dr. David Joseph Derose's medical license number?

Dr. Derose holds California license G83828, one of the licenses on file in 8 states.

Which states has Dr. David Joseph Derose been licensed in?

Dmand AI has state licenses on file for Dr. Derose in California (1997 to 2026), Florida (1989 to 2025), Oklahoma (1996 to 2025), Georgia (1987 to 1997), New York (1993 to 1996), Ohio (1986 to 1996), Indiana (1989 to 1995) and Tennessee (1987 to 1992).

Which hospitals is Dr. David Joseph Derose affiliated with?

Dr. Derose practices at Adventist Health Clear Lake in Clearlake, California.

What medical group is Dr. David Joseph Derose part of?

Dr. Derose is linked to Adventist Health Clear Lake.

Does Dr. David Joseph Derose accept Medicare?

Yes. CMS lists Dr. Derose as accepting Medicare assignment.

Is Dr. David Joseph Derose board certified?

Yes. Dr. Derose is board certified in internal medicine by the American Board of Internal Medicine.

Show 4 more questionsShow fewer questions

Where did Dr. David Joseph Derose go to medical school?

Dr. Derose graduated from Loma Linda University School Of Medicine in 1984.

What drugs does Dr. David Joseph Derose prescribe most?

In 2024 Medicare Part D data, Dr. Derose's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Trazodone HCl.

How long has Dr. David Joseph Derose been practicing?

Dr. Derose graduated from medical school in 1984, 42 years ago.

What insurance does Dr. David Joseph Derose accept?

Dr. Derose is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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