Dr. James Robert Greenbarg, MD
- Medicare services, 2024
- 275
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 113
- Hospital affiliations
- 1
- Industry payments
- $21,388
- Practice address
- 825 Delbon Ave, Turlock, CA 95382
- Practice phone
- Call (209) 667-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greenbarg's professional email, personal email and mobile number
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Dr. James Robert Greenbarg is a general surgeon in Turlock, California
Dr. Greenbarg practices at Emanuel Medical Center in Turlock, California, part of Tenet Healthcare.
Dr. Greenbarg's NPI, 1619990355, was assigned on July 25, 2006. Dr. Greenbarg graduated from New York Medical College in 1985. Dr. Greenbarg holds California license G80805.
- NPI
- 1619990355NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305841859
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 667-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Robert Greenbarg practices at Emanuel Medical Center in Turlock, California
Dr. Greenbarg's primary practice is Emanuel Medical Center, at 825 Delbon Ave, Turlock, CA 95382 in Stanislaus County. The practice phone is (209) 667-4200.
- Emanuel Medical Center825 Delbon Ave, Turlock, CA 95382 · Stanislaus CountyPhone(209) 667-4200
Source: Dmand AI Affiliation Data
Dr. James Robert Greenbarg is affiliated with 1 site of care
Dr. Greenbarg's primary practice is Emanuel Medical Center in Turlock, California, part of Tenet Healthcare. Dr. Greenbarg's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Robert Greenbarg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenbarg practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emanuel Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Robert Greenbarg is one of 2,926 general surgeons in California
Surgery is Dr. Greenbarg's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Greenbarg is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Greenbarg
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. James Robert Greenbarg billed Medicare for 275 services in 2024
CMS data shows 275 Medicare services from Dr. Greenbarg across 6 procedure codes in 2024, for 126 Medicare patients. Medicare paid $26,686 for them.
Dr. Greenbarg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2592024: 260No change
- Surgery
- 2023: 02024: 15
Where Dr. Greenbarg's Medicare services took place, 2024
- In an office14653%
- In a facility12947%
Dr. Greenbarg compared with the California median for general surgeons, 2024
- Dr. Greenbarg
- California median
- Medicare services
- 275vs 16666% above
- Medicare patients
- 126vs 121Close to median
- Part D claims
- 80vs 342.4 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Greenbarg'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. Greenbarg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenbarg and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Robert Greenbarg treated 126 Medicare patients in 2024, average age 73
CMS counts 126 Medicare patients who saw Dr. Greenbarg in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.61, 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. Greenbarg's median patient age at 60, with 56% women.
Dr. Greenbarg's Medicare patients by age, 2024
Dr. Greenbarg's Medicare patients by sex, 2024
- Women5644%
- Men7056%
Chronic conditions among Dr. Greenbarg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes41%
- Ischemic heart disease37%
- Chronic kidney disease31%
- Anxiety29%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenbarg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Robert Greenbarg wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Greenbarg wrote 113 Medicare Part D claims for 59 patients. 99% of them were for generic drugs. CMS names the drug for 80 of them, across 3 drugs with 11 or more claims each, at $347 in total drug cost. In 2023, CMS named 99 claims across 3 drugs.
Dr. Greenbarg's Part D claims by kind of drug, 2024
- Generic112 claims99%
- Brand-name and other1 claims1%
Dr. Greenbarg'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. Greenbarg's Part D claims, 2024
- Opioids39%44 of 113 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: 992024: 8019%
Drugs named by CMS: 3 in 2024, 3 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. James Robert Greenbarg ranks in the 83rd percentile for hernia repair (minimally invasive) in Medicare
Dr. Greenbarg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of hernia repair (minimally invasive) by Dr. Greenbarg, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Greenbarg ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 83rd percentile16 procedures
- Removal of tissue
- 65th percentile14 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 - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 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)
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Dr. James Robert Greenbarg received $21,388 in industry payments from 2016 to 2024
CMS Open Payments shows 40 general payments to Dr. Greenbarg from 3 drug and device companies from 2016 to 2024. Education make up the largest share, 79% of the total. Intuitive Surgical, Inc. paid the most, $21,278.
General payments to Dr. Greenbarg by program year, 2016 to 2024
General payments to Dr. Greenbarg by kind, 2016 to 2024
- Education$17,00079%
- Travel and lodging$3,36716%
- Food and beverage$1,0215%
Companies that paid Dr. Greenbarg the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Robert Greenbarg graduated from New York Medical College
Dr. Greenbarg graduated from New York Medical College in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Robert Greenbarg'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. James Robert Greenbarg
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. James Robert Greenbarg's NPI number?
Dr. James Robert Greenbarg's NPI number is 1619990355. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Robert Greenbarg?
Dr. James Robert Greenbarg is a general surgeon in Turlock, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Robert Greenbarg practice?
Dr. Greenbarg practices at 825 Delbon Ave, Turlock, CA 95382. Dr. Greenbarg's primary practice is Emanuel Medical Center in Turlock, California, part of Tenet Healthcare.
What is Dr. James Robert Greenbarg's office phone number?
The practice phone on file for Dr. Greenbarg is (209) 667-4200.
What is Dr. James Robert Greenbarg's medical license number?
Dr. Greenbarg holds California license G80805.
Which hospitals is Dr. James Robert Greenbarg affiliated with?
Dr. Greenbarg practices at Emanuel Medical Center in Turlock, California.
Does Dr. James Robert Greenbarg accept Medicare?
Yes. CMS data shows Dr. Greenbarg billed Medicare for 275 services in 2024, and Dr. Greenbarg accepts Medicare assignment.
How many Medicare patients does Dr. James Robert Greenbarg see?
CMS counts 126 Medicare patients who saw Dr. Greenbarg in 2024, with an average age of 73.
What services does Dr. James Robert Greenbarg bill to Medicare?
In 2024, Dr. Greenbarg's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99231) and hospital inpatient care (99223).
Where did Dr. James Robert Greenbarg go to medical school?
Dr. Greenbarg graduated from New York Medical College in 1985.
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What drugs does Dr. James Robert Greenbarg prescribe most?
In 2024 Medicare Part D data, Dr. Greenbarg's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ibuprofen and Ondansetron HCl.
Has Dr. James Robert Greenbarg received payments from drug or device companies?
CMS Open Payments shows $21,388 in general payments to Dr. Greenbarg from 3 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James Robert Greenbarg been practicing?
Dr. Greenbarg graduated from medical school in 1985, 41 years ago.
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