Dr. John L. Petrini, MD

  • Santa Barbara, CA
  • Gastroenterologist
NPI1184736977
Medicare services, 2017
1,658
Part D claims, 2018
20
Publications
19
Industry payments
$2,399
Insurance carriers
2
Practice address
317 W Pueblo St, Santa Barbara, CA 93105-4355
Practice phone
Call (805) 681-1761
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. John L. Petrini is a gastroenterologist in Santa Barbara, California

Dr. Petrini practices in Santa Barbara, California.

Dr. Petrini's NPI, 1184736977, was assigned on August 31, 2006. Dr. Petrini graduated from UCSF School of Medicine in 1977. Dr. Petrini holds California license G43408.

NPI and contact details
NPI enumeration date
August 31, 2006
NPI status
Active
Practice phone
(805) 681-1761
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. John L. Petrini's practice address is in Santa Barbara, California

Dr. Petrini's practice address in the NPI Registry is 317 W Pueblo St, Santa Barbara, CA 93105-4355. The practice phone is (805) 681-1761.

  • NPI Registry address
    317 W Pueblo St, Santa Barbara, CA 93105-4355Phone(805) 681-1761

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. John L. Petrini's practice

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

EHR by site
SiteEHR vendor and product
Dr. Petrini's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John L. Petrini is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Petrini's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Petrini is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Petrini's licenses on file in 3 states: California, Ohio and Georgia.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense G43408 · 1980 to 2026 · taxonomy 207RG0100X
  • Ohio license1984 to 1992
  • Georgia license1979 to 1981

Gastroenterologists near Dr. Petrini

Counts of gastroenterologists 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. John L. Petrini billed Medicare for 1,658 services in 2017

CMS data shows 1,658 Medicare services from Dr. Petrini across 12 procedure codes in 2017. Medicare paid $123,008 for them.

Medicare services, 20171,658
Paid by Medicare$123,008
Procedure codes12

Dr. Petrini's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Other services
2016: 1232017: 578370%
Surgery
2016: 5172017: 4719%
Tests and treatments
2016: 02017: 354
Office and hospital visits
2016: 3362017: 25524%

Where Dr. Petrini's Medicare services took place, 2017

  • In an office26916%
  • In a facility1,38984%

Dr. Petrini compared with the California median for gastroenterologists, 2017

  • Dr. Petrini
  • California median
Medicare services
1,658vs 5862.8 times
Part D claims
20vs 38095% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Petrini's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Petrini

Need commercial claims for Dr. Petrini?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Petrini and other gastroenterologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John L. Petrini's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Dr. Petrini's median patient age at 74, with 33% women.

Dr. Petrini's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women33%
  • Men67%

Source: Dmand AI Patient Panel Data

Dr. John L. Petrini wrote 20 Medicare Part D claims in 2018

In 2018, Dr. Petrini wrote 20 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $225 in total drug cost. In 2017, CMS named 790 claims across 21 drugs.

Part D claims, 201820
Drugs named by CMS1
Total drug cost$225

Dr. Petrini's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 7902018: 2097%

Drugs named by CMS: 1 in 2018, 21 in 2017.

See all prescribing by Dr. Petrini

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John L. Petrini has 19 publications on record

Dmand AI links 19 papers to Dr. Petrini, published from 2015 to 2018. The most frequent topics are Endoscopy, Gastrointestinal, Conscious Sedation and Quality Assurance, Health Care. Dr. Petrini has published most often in Gastrointest Endosc. Dr. Petrini's most frequent co-authors are Todd H. Baron, MD, Irving M. Pike, MD, FACG and Douglas Orrick Faigel, MD.

Papers19
Years published2015 to 2018

Topics Dr. Petrini writes about most

  • Endoscopy, Gastrointestinal
  • Conscious Sedation
  • Quality Assurance, Health Care
  • Quality Indicators, Health Care
  • Cholangiopancreatography, Endoscopic Retrograde
  • Clinical Competence
  • Malpractice
  • Risk Management

Dr. Petrini's most frequent co-authors

Recent publications by Dr. Petrini

See all 19 publications and co-authors

See who Dr. Petrini researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Petrini works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John L. Petrini received $2,399 in industry payments from 2016 to 2018

CMS Open Payments shows 167 general payments to Dr. Petrini from 18 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $538.

General payments to Dr. Petrini by program year, 2016 to 2018

Companies that paid Dr. Petrini the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Petrini

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John L. Petrini has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Petrini, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Petrini

  1. 2014
    • America's Top Doctors
  2. 2013
    • CMS Stage 1 EHR
    • Top Doctors:LA Area
  3. 2012
    • ACG Fellow

Source: Dmand AI Professional Profile Data

Dr. John L. Petrini graduated from UCSF School of Medicine

Dr. Petrini graduated from UCSF School of Medicine in 1977. Dr. Petrini is a member of ACG.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John L. Petrini accepts plans from 2 insurance carriers

Dr. Petrini is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • HCSC

Plan types Dr. Petrini accepts, by number of carriers

  1. Medicare2
  2. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. John L. Petrini'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. John L. Petrini

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. John L. Petrini's NPI number?

Dr. John L. Petrini's NPI number is 1184736977. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John L. Petrini?

Dr. John L. Petrini is a gastroenterologist in Santa Barbara, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John L. Petrini practice?

Dr. Petrini practices at 317 W Pueblo St, Santa Barbara, CA 93105-4355.

What is Dr. John L. Petrini's office phone number?

The practice phone on file for Dr. Petrini is (805) 681-1761.

What is Dr. John L. Petrini's medical license number?

Dr. Petrini holds California license G43408, one of the licenses on file in 3 states.

Which states has Dr. John L. Petrini been licensed in?

Dmand AI has state licenses on file for Dr. Petrini in California (1980 to 2026), Ohio (1984 to 1992) and Georgia (1979 to 1981).

Does Dr. John L. Petrini accept Medicare?

Yes. CMS data shows Dr. Petrini billed Medicare for 1,658 services in 2017.

Is Dr. John L. Petrini board certified?

Yes. Dr. Petrini is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. John L. Petrini bill to Medicare?

In 2017, Dr. Petrini's most billed Medicare services were medicare service (G0500), special service (99153) and surgery: digestive system (45385).

Where did Dr. John L. Petrini go to medical school?

Dr. Petrini graduated from UCSF School of Medicine in 1977.

Show 6 more questionsShow fewer questions

What drugs does Dr. John L. Petrini prescribe most?

In 2018 Medicare Part D data, Dr. Petrini's most prescribed drugs by claims were Omeprazole.

Has Dr. John L. Petrini received payments from drug or device companies?

CMS Open Payments shows $2,399 in general payments to Dr. Petrini from 18 companies from 2016 to 2018. The largest total came from Abbvie Inc.

How long has Dr. John L. Petrini been practicing?

Dr. Petrini graduated from medical school in 1977, 49 years ago.

Does Dr. John L. Petrini do research?

Dmand AI links 19 publications to Dr. Petrini, published from 2015 to 2018.

Who does Dr. John L. Petrini publish with?

Dr. Petrini's most frequent co-authors are Todd H. Baron, MD (4 shared papers), Irving M. Pike, MD, FACG (4 shared papers) and Douglas Orrick Faigel, MD (3 shared papers).

What insurance does Dr. John L. Petrini accept?

Dr. Petrini is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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