Dr. Jonathan Unkart, MD

  • Chula Vista, CA
  • General surgeon
NPI1255686648PAC ID6709171580
Medicare services, 2024
151
Medicare patients, 2026
53
Part D claims, 2026
11
Publications
33
Hospital affiliations
4
Practice address
786 3rd Ave, Chula Vista, CA 91910
Practice phone
Call (619) 425-0797
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Coast Surgical Group

Chula Vista, California

See all 11 affiliations

Find Dr. Unkart'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.

View contacts for free

Dr. Jonathan Unkart is a general surgeon in Chula Vista, California

Dr. Unkart practices at Coast Surgical Group in Chula Vista, California.

Dr. Unkart's NPI, 1255686648, was assigned on July 21, 2012. Dr. Unkart graduated from Loyola University Chicago Stritch School of Medicine in 2012. Dr. Unkart holds California license A128185.

NPI and contact details
Medicare PAC ID
6709171580
NPI enumeration date
July 21, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 425-0797
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jonathan Unkart practices at Coast Surgical Group in Chula Vista, California

Dr. Unkart's primary practice is Coast Surgical Group, at 786 3rd Ave, Chula Vista, CA 91910 in San Diego County. The practice phone is (619) 425-0797.

  • Coast Surgical Group
    786 3rd Ave, Chula Vista, CA 91910 · San Diego CountyPhone(619) 425-0797

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

Dr. Jonathan Unkart is affiliated with 8 sites of care and 3 medical groups

Dr. Unkart's primary practice is Coast Surgical Group in Chula Vista, California. Dr. Unkart is also affiliated with Sharp Chula Vista Medical Center. The medical group on file is Coast Surgical Group. Dmand AI also links Dr. Unkart to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 11 affiliations for Dr. Unkart

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

Dmand AI tracks the EHR system at Dr. Jonathan Unkart's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Unkart practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Coast Surgical GroupAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Unkart practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jonathan Unkart is one of 2,926 general surgeons in California

Surgery is Dr. Unkart's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Unkart is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A128185 · taxonomy 208600000X

General surgeons near Dr. Unkart

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. Jonathan Unkart billed Medicare for 151 services in 2024

CMS data shows 151 Medicare services from Dr. Unkart across 3 procedure codes in 2024, for 53 Medicare patients. Medicare paid $14,431 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024151
Medicare patients53
Paid by Medicare$14,431
Procedure codes3

Dr. Unkart's Medicare services by type, 2020 to 2024

  • 2020
  • 2024
Office and hospital visits
2020: 1912024: 15121%
Surgery
2020: 352024: 0100%

Dr. Unkart compared with the California median for general surgeons, 2024

  • Dr. Unkart
  • California median
Medicare services
151vs 1669% below
Medicare patients
53vs 12156% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Unkart'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.

See all procedures by Dr. Unkart

Need commercial claims for Dr. Unkart?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Unkart and other general surgeons in California.

Book a meeting

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

Dr. Jonathan Unkart treated 53 Medicare patients in 2026, average age 73

CMS counts 53 Medicare patients who saw Dr. Unkart in 2026. The largest group is 75 to 84, with 21 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.05, 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. Unkart's median patient age at 57, with 54% women.

Medicare patients, 202653
Average age73
Average risk score2.05
Also on Medicaid51%

Dr. Unkart's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Dr. Unkart's Medicare patients by sex, 2026

  • Women3057%
  • Men2343%

Chronic conditions among Dr. Unkart's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol70%
  3. Arthritis47%
  4. Diabetes45%
  5. Chronic kidney disease40%
  6. Ischemic heart disease38%
  7. Heart failure32%
  8. Atrial fibrillation26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Unkart's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jonathan Unkart wrote 11 Medicare Part D claims in 2026

In 2026, Dr. Unkart wrote 11 Medicare Part D claims.

Part D claims, 202611

Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data

Dr. Jonathan Unkart ranks in the 73rd percentile for removal of tissue in Medicare

Dr. Unkart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of removal of tissue by Dr. Unkart, more than 73% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Unkart ranks in Medicare procedure volume

Removal of tissue
73rd percentile29 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Unkart by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Jonathan Unkart has 33 publications on record

Dmand AI links 33 papers to Dr. Unkart, published from 2015 to 2024. 2020 was the busiest year, with 9. The most frequent topics are Atherosclerosis, Body Mass Index and Breast Neoplasms. Dr. Unkart has published most often in J Am Heart Assoc. Dr. Unkart's most frequent co-authors are Matthew A. Allison, MD, Anne M. Wallace, MD and Michael Honore Criqui, MD.

Papers33
Years published2015 to 2024

Dr. Unkart's papers by year, 2015 to 2024

Topics Dr. Unkart writes about most

  • Atherosclerosis
  • Body Mass Index
  • Breast Neoplasms
  • Ethnicity
  • Peripheral Arterial Disease
  • Abdominal Muscles
  • Ankle Brachial Index
  • Cardiovascular Diseases

Dr. Unkart's most frequent co-authors

Recent publications by Dr. Unkart

See all 33 publications and co-authors

See who Dr. Unkart researches with

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

How network discovery works

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

Dr. Jonathan Unkart received $4,854 in industry payments in 2024

CMS Open Payments shows 13 general payments to Dr. Unkart from 3 drug and device companies in 2024. Education make up the largest share, 72% of the total. Intuitive Surgical, Inc. paid the most, $4,415.

General payments to Dr. Unkart by kind, 2024 to 2024

$4.9Kin total
  • Education$3,50072%
  • Travel and lodging$79816%
  • Food and beverage$3126%
  • Device or supply loans$2445%

Companies that paid Dr. Unkart the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Unkart

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

Dr. Jonathan Unkart graduated from Loyola University Chicago Stritch School of Medicine

Dr. Unkart graduated from Loyola University Chicago Stritch School of Medicine in 2012.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jonathan Unkart'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
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Jonathan Unkart

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. Jonathan Unkart's NPI number?

Dr. Jonathan Unkart's NPI number is 1255686648. It was assigned on July 21, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Jonathan Unkart?

Dr. Jonathan Unkart is a general surgeon in Chula Vista, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Jonathan Unkart practice?

Dr. Unkart practices at 786 3rd Ave, Chula Vista, CA 91910. Dr. Unkart's primary practice is Coast Surgical Group in Chula Vista, California. Dmand AI also links Dr. Unkart to 3 hospitals, 3 group practices and clinics and 2 medical groups, and a free account names each one.

What is Dr. Jonathan Unkart's office phone number?

The practice phone on file for Dr. Unkart is (619) 425-0797. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Jonathan Unkart's email address?

Dmand AI checks professional and personal email addresses for Dr. Unkart through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Jonathan Unkart's medical license number?

Dr. Unkart holds California license A128185.

Which hospitals is Dr. Jonathan Unkart affiliated with?

Dr. Unkart is affiliated with Sharp Chula Vista Medical Center. Dmand AI links Dr. Unkart to 3 more hospitals, named with a free account.

What medical group is Dr. Jonathan Unkart part of?

Dr. Unkart is linked to Coast Surgical Group. Dmand AI links Dr. Unkart to 2 more medical groups, named with a free account.

Who does Dr. Jonathan Unkart practice with?

Dmand AI links 7 HCPs to Dr. Unkart's primary medical group. A free account lists them, with verified contacts.

Does Dr. Jonathan Unkart accept Medicare?

Yes. CMS data shows Dr. Unkart billed Medicare for 151 services in 2024, and Dr. Unkart accepts Medicare assignment.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Jonathan Unkart see?

CMS counts 53 Medicare patients who saw Dr. Unkart in 2026, with an average age of 73.

What services does Dr. Jonathan Unkart bill to Medicare?

In 2024, Dr. Unkart's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Dr. Jonathan Unkart go to medical school?

Dr. Unkart graduated from Loyola University Chicago Stritch School of Medicine in 2012.

Has Dr. Jonathan Unkart received payments from drug or device companies?

CMS Open Payments shows $4,854 in general payments to Dr. Unkart from 3 companies from 2024 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Jonathan Unkart been practicing?

Dr. Unkart graduated from medical school in 2012, 14 years ago.

Does Dr. Jonathan Unkart do research?

Dmand AI links 33 publications to Dr. Unkart, published from 2015 to 2024.

Who does Dr. Jonathan Unkart publish with?

Dr. Unkart's most frequent co-authors are Matthew A. Allison, MD (10 shared papers), Anne M. Wallace, MD (7 shared papers) and Michael Honore Criqui, MD (5 shared papers).

What EHR does Dr. Jonathan Unkart's practice use?

Dmand AI tracks the EHR system at Coast Surgical Group and at 7 more sites and 2 medical groups. The vendor and product are available with a free Dmand AI account.

Selling to surgery practices?

See general surgeons in California 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)