Paul Nolan Hazelbaker, DO
Internal Medicine Physician · San Diego, CA
Paul Nolan Hazelbaker, DO is an internal medicine physician with a practice address in San Diego, California, and NPI 1831106103, issued on Aug 1, 2006. Check the license (California 20A7147, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Nolan Hazelbaker
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A7147 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 6TH Ave, San Diego, CA 92101
- Phone
- (619) 515-2430
- Enumerated
- Aug 1, 2006
- Record last updated
- Oct 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (619) 578-2410
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1250 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Casey AdamsonPsychologist1447741301
- Heaven Branch-WatsonCase Manager/Care Coordinator1588499164
- Julia CorbettSocial Worker1669124517
- Teresa CoronaSocial Worker1003684093
- April Joy Galka, BSW, MACase Manager/Care Coordinator1891927760
- Jenna HalsethSocial Worker1275173759
Verify Paul Nolan Hazelbaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average internal medicine physician in 2024
5,996 Medicare Part D claims for 312 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium451 claims
- Gabapentin327 claims
- Lisinopril250 claims
- Albuterol Sulfate Hfa244 claims
- Omeprazole214 claims
- Amlodipine Besylate195 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.
Industry payments in 2024: $19.84
1 payment: food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Paul Nolan Hazelbaker among 17,696 internal medicine physician records in California
Paul Nolan Hazelbaker, DO 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 fileNo · 63% of these records are
- Record last updated2017 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alicia Benjamin, M.D.San Diego, CA 921011790793040
- John Chau, M.D.San Diego, CA 921011740375070
- Michael Duffy, DOSan Diego, CA 921011851399802
- Brij Gupta, M.D.San Diego, CA 921011174532543
- William Harless, M.D.San Diego, CA 921011366452823
- Mark Jabro, M.D.San Diego, CA 921011326058330
- Wayne Kurisu, M.D.San Diego, CA 921011881606309
- James Morgan, M.D.San Diego, CA 921011376553446
Common questions
What is Paul Nolan Hazelbaker, DO's NPI number?
Paul Nolan Hazelbaker, DO's National Provider Identifier (NPI) is 1831106103, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Nolan Hazelbaker, DO located?
The NPPES record lists a practice address at 1250 6TH Ave, San Diego, CA, 92101. Phone: (619) 515-2430. Providers update this record themselves, so call before visiting.
How can I verify Paul Nolan Hazelbaker, DO's license?
NPPES lists California license number 20A7147, 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 Paul Nolan Hazelbaker, DO prescribe under Medicare Part D?
In 2024, Paul Nolan Hazelbaker, DO had 5,996 Medicare Part D claims for 312 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.