Dr. Gary G. Grinberg, MD

  • Sacramento, CA
  • General surgeon
NPI1457326852PAC ID3173624780
Part D claims, 2019
78
Publications
8
Hospital affiliations
1
Industry payments
$1,067
Medical group
1
Practice address
6600 Bruceville Road, Sacramento, CA 95823
Practice phone
Call (916) 688-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente South Sacramento Medical Center

Hospital · Sacramento, California

See all 3 affiliations

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Dr. Gary G. Grinberg is a general surgeon in Sacramento, California

Dr. Grinberg practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.

Dr. Grinberg's NPI, 1457326852, was assigned on February 20, 2006. Dr. Grinberg graduated from Northeast Ohio Medical University in 2002. Dr. Grinberg holds California license A100593.

NPI and contact details
Medicare PAC ID
3173624780
NPI enumeration date
February 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 688-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Gary G. Grinberg practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California

Dr. Grinberg's primary practice is Kaiser Permanente South Sacramento Medical Center, at 6600 Bruceville Road, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 688-2000.

Source: Dmand AI Affiliation Data

Dr. Gary G. Grinberg is affiliated with 2 sites of care and 1 medical group

Dr. Grinberg's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Grinberg to 1 more physician office, named with a free account.

See all 3 affiliations for Dr. Grinberg

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gary G. Grinberg's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grinberg practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente South Sacramento Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary G. Grinberg is one of 2,926 general surgeons in California

Surgery is Dr. Grinberg's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Grinberg is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Grinberg's licenses on file in 2 states: California and Minnesota.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A100593 · 2007 to 2026 · taxonomy 208600000X
  • Minnesota licenseLicense 45723 · 2003 to 2007

General surgeons near Dr. Grinberg

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. Gary G. Grinberg's patients have a median age of 41

Across all payers, Dmand AI patient panel data puts Dr. Grinberg's median patient age at 41, with 85% women.

Dr. Grinberg's patients across all payers

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

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women85%
  • Men14%

Source: Dmand AI Patient Panel Data

Dr. Gary G. Grinberg wrote 78 Medicare Part D claims in 2019

In 2019, Dr. Grinberg wrote 78 Medicare Part D claims. They cover 3 drugs, with $2,986 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 201978
Drugs named by CMS3
Total drug cost$2,986

Dr. Grinberg's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 142019: 78457%

Drugs named by CMS: 3 in 2019, 1 in 2018.

See all prescribing by Dr. Grinberg

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

How Dr. Gary G. Grinberg takes part in Medicare

Dr. Grinberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gary G. Grinberg has 8 publications on record

Dmand AI links 8 papers to Dr. Grinberg, published from 2018 to 2023. 2021 was the busiest year, with 3. The most frequent topics are Gastrectomy, Laparoscopy and Obesity, Morbid. Dr. Grinberg has published most often in Surg Endosc. Dr. Grinberg's most frequent co-authors are Richard S. Isaacs, MD, James P.g. Morris, MD and Elizabeth M. Pontarelli, MD.

Papers8
Years published2018 to 2023

Dr. Grinberg's papers by year, 2018 to 2023

Topics Dr. Grinberg writes about most

  • Gastrectomy
  • Laparoscopy
  • Obesity, Morbid
  • Bariatric Surgery
  • COVID-19
  • Gastric Bypass
  • Operative Time
  • Postoperative Complications

Dr. Grinberg's most frequent co-authors

Recent publications by Dr. Grinberg

See all 8 publications and co-authors

See who Dr. Grinberg researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grinberg 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. Gary G. Grinberg received $1,067 in industry payments from 2016 to 2023

CMS Open Payments shows 12 general payments to Dr. Grinberg from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $890.

General payments to Dr. Grinberg by program year, 2016 to 2023

Companies that paid Dr. Grinberg the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Grinberg

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

Dr. Gary G. Grinberg has 1 award and honors on record

Dmand AI lists 1 award for Dr. Grinberg.

Awards and honors for Dr. Grinberg

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Gary G. Grinberg graduated from Northeast Ohio Medical University

Dr. Grinberg graduated from Northeast Ohio Medical University in 2002. Dr. Grinberg is a member of ACS.

  1. Medical schoolNortheast Ohio Medical University
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Gary G. Grinberg accepts plans from 3 insurance carriers

Dr. Grinberg is in network with 3 carriers, including Kaiser Permanente, 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.

  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC

Plan types Dr. Grinberg accepts, by number of carriers

  1. Medicare2
  2. PPO2
  3. EPO1
  4. HMO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gary G. Grinberg'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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. Gary G. Grinberg

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. Gary G. Grinberg's NPI number?

Dr. Gary G. Grinberg's NPI number is 1457326852. It was assigned on February 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary G. Grinberg?

Dr. Gary G. Grinberg is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Gary G. Grinberg practice?

Dr. Grinberg practices at 6600 Bruceville Road, Sacramento, CA 95823. Dr. Grinberg's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. Dmand AI also links Dr. Grinberg to 1 physician office.

What is Dr. Gary G. Grinberg's office phone number?

The practice phone on file for Dr. Grinberg is (916) 688-2000.

What is Dr. Gary G. Grinberg's medical license number?

Dr. Grinberg holds California license A100593, one of the licenses on file in 2 states.

Which states has Dr. Gary G. Grinberg been licensed in?

Dmand AI has state licenses on file for Dr. Grinberg in California (2007 to 2026) and Minnesota (2003 to 2007).

Which hospitals is Dr. Gary G. Grinberg affiliated with?

Dr. Grinberg practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California.

What medical group is Dr. Gary G. Grinberg part of?

Dr. Grinberg is linked to The Permanente Medical Group, Inc.

Does Dr. Gary G. Grinberg accept Medicare?

Yes. CMS lists Dr. Grinberg as accepting Medicare assignment.

Is Dr. Gary G. Grinberg board certified?

Yes. Dr. Grinberg is board certified in surgery by the American Board of Surgery.

Show 7 more questionsShow fewer questions

Where did Dr. Gary G. Grinberg go to medical school?

Dr. Grinberg graduated from Northeast Ohio Medical University in 2002.

What drugs does Dr. Gary G. Grinberg prescribe most?

In 2019 Medicare Part D data, Dr. Grinberg's most prescribed drugs by claims were Ursodiol, Ondansetron ODT and Gabapentin.

Has Dr. Gary G. Grinberg received payments from drug or device companies?

CMS Open Payments shows $1,067 in general payments to Dr. Grinberg from 3 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Gary G. Grinberg been practicing?

Dr. Grinberg graduated from medical school in 2002, 24 years ago.

Does Dr. Gary G. Grinberg do research?

Dmand AI links 8 publications to Dr. Grinberg, published from 2018 to 2023.

Who does Dr. Gary G. Grinberg publish with?

Dr. Grinberg's most frequent co-authors are Richard S. Isaacs, MD (3 shared papers), James P.g. Morris, MD (3 shared papers) and Elizabeth M. Pontarelli, MD (3 shared papers).

What insurance does Dr. Gary G. Grinberg accept?

Dr. Grinberg is in network with 3 carriers, including Kaiser Permanente, 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.

Selling to surgery practices?

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