Raymond Dean Jennings, MD
Internal Medicine Physician · Clearlake, CA
Raymond Dean Jennings, MD is an internal medicine physician with a practice address in Clearlake, California, and NPI 1386659167, issued on Jul 30, 2006. Check the license (California A20599, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Raymond Dean Jennings
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A20599 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15230 Lakeshore Dr, Clearlake, CA 95422
- Phone
- (707) 995-4500
- Enumerated
- Jul 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 994-2401
- Medicare enrollment
- Enrolled (PECOS I20040826000402); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1962
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 15230 Lakeshore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arthur Bikangaga, MDSurgery Physician1952319030
- Jerylyn Bohlender, LCSWClinical Social Worker1750782488
- Daniel Boucher, MDFamily Medicine Physician1164115549
Verify Raymond Dean Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A20599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.5 times the Medicare Part D claims of the average internal medicine physician in 2024
23,719 Medicare Part D claims for 442 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 1,338 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,988 claims
- Losartan Potassium1,046 claims
- Levothyroxine Sodium1,044 claims
- Furosemide857 claims
- Amlodipine Besylate779 claims
- Tamsulosin Hcl625 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raymond Dean Jennings among 17,696 internal medicine physician records in California
Raymond Dean Jennings, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1962 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Clearlake
They are 5 of the 321 NPPES records with a practice address in Clearlake, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Clearlake → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Manush Ghazaryan, MDClearlake, CA 954221548962566
- Eric Kim, MDClearlake, CA 954221578660916
- Marc Shapiro, MDClearlake, CA 954221740217348
- Milagros Tolentino, MDClearlake, CA 954221245212505
- Niranjana Parthasarathi, MDCloverdale, CA 954251134185473
- Maria Danilychev, M.D.Covelo, CA 954281255419800
- Snehal Raisoni, MDCovelo, CA 954281487973798
- Marianne Kramer, MDSonoma, CA 954311801848601
Common questions
What is Raymond Dean Jennings, MD's NPI number?
Raymond Dean Jennings, MD's National Provider Identifier (NPI) is 1386659167, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Raymond Dean Jennings, MD located?
The NPPES record lists a practice address at 15230 Lakeshore Dr, Clearlake, CA, 95422. Phone: (707) 995-4500. Providers update this record themselves, so call before visiting.
How can I verify Raymond Dean Jennings, MD's license?
NPPES lists California license number A20599, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Raymond Dean Jennings, MD prescribe under Medicare Part D?
In 2024, Raymond Dean Jennings, MD had 23,719 Medicare Part D claims for 442 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Raymond Dean Jennings, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.