Dr. Jeffrey Byron Mazin, FACS, MD
- Medicare services, 2016
- 167
- Industry payments
- $34
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 3737 Moraga Ave, San Diego, CA 92117-5404
- Practice phone
- Call (858) 272-9996
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jeffrey B. Mazin, MD
Physician office · San Diego, California
Find Dr. Mazin'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.
Dr. Jeffrey Byron Mazin is a general surgeon in San Diego, California
Dr. Mazin practices at Jeffrey B. Mazin, MD in San Diego, California.
Dr. Mazin's NPI, 1316044373, was assigned on September 20, 2006. Dr. Mazin graduated from Lewis Katz School of Medicine in 1975. Dr. Mazin's California license number on file is G41431.
- NPI
- 1316044373NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (858) 272-9996
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jeffrey Byron Mazin practices at Jeffrey B. Mazin, MD in San Diego, California
Dr. Mazin's primary practice is Jeffrey B. Mazin, MD, at 3737 Moraga Ave, San Diego, CA 92117-5404. The practice phone is (858) 272-9996.
- Jeffrey B. Mazin, MD3737 Moraga Ave, San Diego, CA 92117-5404Phone(858) 272-9996
Source: Dmand AI Affiliation Data
Dr. Jeffrey Byron Mazin is affiliated with 1 site of care
Dr. Mazin's primary practice is Jeffrey B. Mazin, MD in San Diego, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey Byron Mazin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jeffrey B. Mazin, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Byron Mazin is one of 2,926 general surgeons in California
Surgery is Dr. Mazin's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mazin is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Mazin's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Pennsylvania license
General surgeons near Dr. Mazin
Counts of general surgeons 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. Jeffrey Byron Mazin billed Medicare for 167 services in 2016
CMS data shows 167 Medicare services from Dr. Mazin across 4 procedure codes in 2016. Medicare paid $21,912 for them. Every service was in an office.
Dr. Mazin's Medicare services by type, 2016
- Office and hospital visits134
- Surgery33
Dr. Mazin compared with the California median for general surgeons, 2016
- Dr. Mazin
- California median
- Medicare services
- 167vs 166Close to median
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Mazin's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mazin and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Byron Mazin's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Mazin's median patient age at 78, with 20% women.
Dr. Mazin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
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Dr. Jeffrey Byron Mazin received $34 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Mazin from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Covidien Sales LLC paid the most, $19.
General payments to Dr. Mazin by program year, 2016 to 2018
Companies that paid Dr. Mazin the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Byron Mazin has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mazin.
Awards and honors for Dr. Mazin
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Jeffrey Byron Mazin graduated from Lewis Katz School of Medicine
Dr. Mazin graduated from Lewis Katz School of Medicine in 1975. Dr. Mazin is a member of ACS and SLS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Byron Mazin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jeffrey Byron Mazin
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What is Dr. Jeffrey Byron Mazin's NPI number?
Dr. Jeffrey Byron Mazin's NPI number is 1316044373. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Byron Mazin?
Dr. Jeffrey Byron Mazin is a general surgeon in San Diego, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jeffrey Byron Mazin practice?
Dr. Mazin practices at 3737 Moraga Ave, San Diego, CA 92117-5404. Dr. Mazin's primary practice is Jeffrey B. Mazin, MD in San Diego, California.
What is Dr. Jeffrey Byron Mazin's office phone number?
The practice phone on file for Dr. Mazin is (858) 272-9996.
What is Dr. Jeffrey Byron Mazin's medical license number?
Dr. Mazin's California license number on file is G41431, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey Byron Mazin been licensed in?
Dmand AI has state licenses on file for Dr. Mazin in California (1980 to 2025) and Pennsylvania (1976 to 2004).
Does Dr. Jeffrey Byron Mazin accept Medicare?
Yes. CMS data shows Dr. Mazin billed Medicare for 167 services in 2016.
Is Dr. Jeffrey Byron Mazin board certified?
Yes. Dr. Mazin is board certified in surgery by the American Board of Surgery.
What services does Dr. Jeffrey Byron Mazin bill to Medicare?
In 2016, Dr. Mazin's most billed Medicare services were office visit, established patient (99215), surgery: digestive system (46221) and office visit, new patient (99205).
Where did Dr. Jeffrey Byron Mazin go to medical school?
Dr. Mazin graduated from Lewis Katz School of Medicine in 1975.
Has Dr. Jeffrey Byron Mazin received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Mazin from 2 companies from 2016 to 2018. The largest total came from Covidien Sales LLC.
How long has Dr. Jeffrey Byron Mazin been practicing?
Dr. Mazin graduated from medical school in 1975, 51 years ago.
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