Dr. John Mark Bugarin Gubatan, MD
- Medicare services, 2024
- 217
- Medicare patients, 2024
- 149
- Part D claims, 2024
- 267
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 4500 San Pablo Rd, Jacksonville, FL 32224
- Practice phone
- Call (904) 953-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gubatan'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. John Mark Bugarin Gubatan is a gastroenterologist in Jacksonville, Florida
Dr. Gubatan practices at Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
Dr. Gubatan's NPI, 1215340674, was assigned on June 3, 2014. Dr. Gubatan graduated from Harvard Medical School in 2014. Dr. Gubatan holds California license A154629.
- NPI
- 1215340674NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658689617
- NPI enumeration date
- June 3, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (904) 953-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Mark Bugarin Gubatan practices at Mayo Clinic Hospital in Jacksonville, Florida
Dr. Gubatan's primary practice is Mayo Clinic Hospital, at 4500 San Pablo Rd, Jacksonville, FL 32224 in Duval County. The practice phone is (904) 953-2000.
- Mayo Clinic Hospital4500 San Pablo Rd, Jacksonville, FL 32224 · Duval CountyPhone(904) 953-2000
Source: Dmand AI Affiliation Data
Dr. John Mark Bugarin Gubatan is affiliated with 2 sites of care and 1 medical group
Dr. Gubatan's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic. Dr. Gubatan is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Mayo Clinic Jacksonville.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Mark Bugarin Gubatan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gubatan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mayo Clinic and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Mark Bugarin Gubatan is one of 1,364 gastroenterologists in Florida
Gastroenterology is Dr. Gubatan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gubatan is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Gubatan's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Massachusetts license
Clinical focus
Dmand AI lists chronic inflammatory bowel disease (IBD), colonoscopy, gastroenteritis, gastrointestinal bleeding, intestinal diverticulosis and upper GI endoscopy among the conditions Dr. Gubatan treats.
Gastroenterologists near Dr. Gubatan
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 Mark Bugarin Gubatan billed Medicare for 217 services in 2024
CMS data shows 217 Medicare services from Dr. Gubatan across 8 procedure codes in 2024, for 149 Medicare patients. Medicare paid $26,270 for them.
Dr. Gubatan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1282024: 1355%
- Surgery
- 2023: 802024: 6618%
- Other services
- 2023: 172024: 166%
Where Dr. Gubatan's Medicare services took place, 2024
- In an office9343%
- In a facility12457%
Dr. Gubatan compared with the Florida median for gastroenterologists, 2024
- Dr. Gubatan
- Florida median
- Medicare services
- 217vs 58263% below
- Medicare patients
- 149vs 32254% below
- Part D claims
- 120vs 50276% below
Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.
Dr. Gubatan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gubatan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gubatan and other gastroenterologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Mark Bugarin Gubatan treated 149 Medicare patients in 2024, average age 72
CMS counts 149 Medicare patients who saw Dr. Gubatan in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gubatan's median patient age at 51, with 50% women.
Dr. Gubatan's Medicare patients by age, 2024
Dr. Gubatan's Medicare patients by sex, 2024
- Women8356%
- Men6644%
Chronic conditions among Dr. Gubatan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Ischemic heart disease40%
- Chronic kidney disease38%
- Diabetes37%
- Mood disorders35%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gubatan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Mark Bugarin Gubatan wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Gubatan wrote 267 Medicare Part D claims for 67 patients. 72% of them were for generic drugs. CMS names the drug for 120 of them, across 6 drugs with 11 or more claims each, at $14,840 in total drug cost. In 2023, CMS named 160 claims across 9 drugs.
Dr. Gubatan's Part D claims by kind of drug, 2024
- Generic191 claims72%
- Brand-name76 claims28%
Dr. Gubatan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gubatan's Part D claims, 2024
- Antibiotics8%22 of 267 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1602024: 12025%
Drugs named by CMS: 6 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Mark Bugarin Gubatan ranks in the 76th percentile for colonoscopy in Medicare
Dr. Gubatan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gubatan as offering telehealth. CMS counts 84 procedures of colonoscopy by Dr. Gubatan, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Gubatan ranks in Medicare procedure volume
- Colonoscopy
- 76th percentile84 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 73rd percentile84 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Mark Bugarin Gubatan has 5 publications on record
Dmand AI links 5 papers to Dr. Gubatan, published from 2010 to 2024. 2024 was the busiest year, with 2. The most frequent topics are Inflammatory Bowel Diseases, Pregnancy Outcome and Premature Birth. Dr. Gubatan's most frequent co-authors are Sarah Elizabeth Streett, MD, David Brian Corry, MD and Farrah Kheradmand, MD.
Dr. Gubatan's papers by year, 2010 to 2024
Topics Dr. Gubatan writes about most
- Inflammatory Bowel Diseases
- Pregnancy Outcome
- Premature Birth
Dr. Gubatan's most frequent co-authors
- Sarah Elizabeth Streett, MD2 shared papers
- David Brian Corry, MD1 shared paper
- Farrah Kheradmand, MD1 shared paper
Recent publications by Dr. Gubatan
Clin Gastroenterol Hepatol
Frontline Gastroenterol
Mucosal Immunol
See who Dr. Gubatan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gubatan works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Mark Bugarin Gubatan has worked on 1 clinical trial
Dmand AI links Dr. Gubatan to 1 clinical trial. Conditions studied include Dysbiosis and Colitis, Ulcerative.
Conditions in Dr. Gubatan's trials
- Dysbiosis
- Colitis, Ulcerative
Recent clinical trials with Dr. Gubatan
Vitamin D Regulation of Gut Specific B Cells and Antibodies Targeting Gut Bacteria in Inflammatory Bowel Disease (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. John Mark Bugarin Gubatan received $287 in industry payments from 2018 to 2023
CMS Open Payments shows 4 general payments to Dr. Gubatan from 3 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $212.
General payments to Dr. Gubatan by program year, 2018 to 2023
Companies that paid Dr. Gubatan the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Mark Bugarin Gubatan has 26 awards and honors on record
Dmand AI lists 26 awards for Dr. Gubatan, most recently Doris Duke Physician Scientist Fellowship Award in 2023.
Awards and honors for Dr. Gubatan
- 2023
- Doris Duke Physician Scientist Fellowship Award
- 2022
- Chan Zuckerberg Biohub Physician Scientist Scholar Award
- Clinical Research Loan Repayment Program Award
- 2021
- AGA Gastroenterology Journal Editorial Fellow
- NCSCG Symposium 1st Place Abstract Award
- Stanford Gastroenterology Chief Fellow
Source: Dmand AI Professional Profile Data
Dr. John Mark Bugarin Gubatan graduated from Harvard Medical School
Dr. Gubatan graduated from Harvard Medical School in 2014. Dr. Gubatan is a member of ACG, AGA, American Society for Gastrointestinal Endoscopy and European Crohns and Colitis Organisation.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Mark Bugarin Gubatan accepts plans from 9 insurance carriers
Dr. Gubatan is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Gubatan accepts, by number of carriers
- Medicare5
- PPO5
- HMO4
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Mark Bugarin Gubatan'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 DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John Mark Bugarin Gubatan
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 Mark Bugarin Gubatan's NPI number?
Dr. John Mark Bugarin Gubatan's NPI number is 1215340674. It was assigned on June 3, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. John Mark Bugarin Gubatan?
Dr. John Mark Bugarin Gubatan is a gastroenterologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John Mark Bugarin Gubatan practice?
Dr. Gubatan practices at 4500 San Pablo Rd, Jacksonville, FL 32224. Dr. Gubatan's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
What is Dr. John Mark Bugarin Gubatan's office phone number?
The practice phone on file for Dr. Gubatan is (904) 953-2000.
What is Dr. John Mark Bugarin Gubatan's medical license number?
Dr. Gubatan holds California license A154629, one of the licenses on file in 2 states.
Which states has Dr. John Mark Bugarin Gubatan been licensed in?
Dmand AI has state licenses on file for Dr. Gubatan in California (2018 to 2027) and Massachusetts (2017 to 2024).
Which hospitals is Dr. John Mark Bugarin Gubatan affiliated with?
Dr. Gubatan practices at Mayo Clinic Hospital in Jacksonville, Florida. Dr. Gubatan is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. John Mark Bugarin Gubatan part of?
Dr. Gubatan is linked to Mayo Clinic Jacksonville.
Does Dr. John Mark Bugarin Gubatan accept Medicare?
Yes. CMS data shows Dr. Gubatan billed Medicare for 217 services in 2024, and Dr. Gubatan accepts Medicare assignment.
Does Dr. John Mark Bugarin Gubatan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gubatan as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. John Mark Bugarin Gubatan see?
CMS counts 149 Medicare patients who saw Dr. Gubatan in 2024, with an average age of 72.
Is Dr. John Mark Bugarin Gubatan board certified?
Yes. Dr. Gubatan is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. John Mark Bugarin Gubatan bill to Medicare?
In 2024, Dr. Gubatan's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99223) and surgery: digestive system (45380).
Where did Dr. John Mark Bugarin Gubatan go to medical school?
Dr. Gubatan graduated from Harvard Medical School in 2014.
What drugs does Dr. John Mark Bugarin Gubatan prescribe most?
In 2024 Medicare Part D data, Dr. Gubatan's most prescribed drugs by claims were Colestipol HCl, Omeprazole and Peg 3350-Electrolyte.
Has Dr. John Mark Bugarin Gubatan received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Dr. Gubatan from 3 companies from 2018 to 2023. The largest total came from Abbvie Inc.
How long has Dr. John Mark Bugarin Gubatan been practicing?
Dr. Gubatan graduated from medical school in 2014, 12 years ago.
Does Dr. John Mark Bugarin Gubatan do research?
Dmand AI links 5 publications to Dr. Gubatan, published from 2010 to 2024. Dr. Gubatan has worked on 1 clinical trial.
Who does Dr. John Mark Bugarin Gubatan publish with?
Dr. Gubatan's most frequent co-authors are Sarah Elizabeth Streett, MD (2 shared papers), David Brian Corry, MD (1 shared paper) and Farrah Kheradmand, MD (1 shared paper).
What insurance does Dr. John Mark Bugarin Gubatan accept?
Dr. Gubatan is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to gastroenterology practices?
See gastroenterologists in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card