Joshua David Penfield, MBCHB
Gastroenterology Physician · San Diego, CA
Joshua David Penfield, MBCHB is a gastroenterology physician with a practice address in San Diego, California, and NPI 1356508402, issued on May 16, 2008. Check the license (California C170560, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua David Penfield
- Credential
- MBCHB
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- C170560 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2929 Health Center Dr, San Diego, CA 92123
- Phone
- (858) 939-6531
- Enumerated
- May 16, 2008
- Record last updated
- Feb 23, 2023
- Fax
- (858) 874-2351
- Medicare enrollment
- Enrolled (PECOS I20210430001727); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2929 Health Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua David Penfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C170560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average gastroenterology physician in 2024
288 Medicare Part D claims for 118 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Omeprazole75 claims
- Linzess22 claims
- Gavilyte-G20 claims
- Mesalamine12 claims
- Pantoprazole Sodium11 claims
- Sucralfate11 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: $170.05
2 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua David Penfield among 2,140 gastroenterology physician records in California
Joshua David Penfield, MBCHB is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2004 · median 2002 among the 1,538 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Diego → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Bennett, MDSan Diego, CA 921231700895927
- Susan Chu, M.D.San Diego, CA 921231033127162
- Sergio Flores, MDSan Diego, CA 921231588674022
- R Johnson, M.D.San Diego, CA 921231548272446
- Darren Keller, M.D.San Diego, CA 921231013988922
- Hyun Kim, MDSan Diego, CA 921231013023365
- Daniel Lee, M.D.San Diego, CA 921231063522613
- John Person, M.D.San Diego, CA 921231285647297
Common questions
What is Joshua David Penfield, MBCHB's NPI number?
Joshua David Penfield, MBCHB's National Provider Identifier (NPI) is 1356508402, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joshua David Penfield, MBCHB located?
The NPPES record lists a practice address at 2929 Health Center Dr, San Diego, CA, 92123. Phone: (858) 939-6531. Providers update this record themselves, so call before visiting.
How can I verify Joshua David Penfield, MBCHB's license?
NPPES lists California license number C170560, 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 Joshua David Penfield, MBCHB prescribe under Medicare Part D?
In 2024, Joshua David Penfield, MBCHB had 288 Medicare Part D claims for 118 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.