Dr. Robert Alan Gross, MD
- Medicare services, 2020
- 261
- Part D claims, 2021
- 20
- Industry payments
- $1,352
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 3831 Hughes Ave Suite 706 Suite 706, Culver City, CA 90232
- Practice phone
- Call (310) 204-4044
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert A Gross MD Inc
Physician office · Culver City, California
Find Dr. Gross' 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. Robert Alan Gross is a gastroenterologist in West Hollywood, California
Dr. Gross practices at Robert A Gross MD Inc in Culver City, California.
Dr. Gross' NPI, 1790821163, was assigned on January 30, 2007. Dr. Gross holds California license G21342.
- NPI
- 1790821163NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2007
- NPI status
- Active
- Practice phone
- (310) 204-4044
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Alan Gross practices in Culver City and West Hollywood
Dr. Gross' primary practice is Robert A Gross MD Inc, at 3831 Hughes Ave Suite 706 Suite 706, Culver City, CA 90232. The practice phone is (310) 204-4044. The NPI Registry lists Dr. Gross' practice address as 8700 Beverly Blvd, West Hollywood, CA 90048.
- Robert A Gross MD IncPrimary3831 Hughes Ave Suite 706 Suite 706, Culver City, CA 90232Phone(310) 204-4044
- NPI Registry address8700 Beverly Blvd, West Hollywood, CA 90048 · Los Angeles CountyPhone(310) 204-4044
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Alan Gross is affiliated with 1 site of care
Dr. Gross' primary practice is Robert A Gross MD Inc in Culver City, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Alan Gross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gross practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert A Gross MD Inc | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Alan Gross is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Gross' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gross is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Gross
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. Robert Alan Gross billed Medicare for 261 services in 2020
CMS data shows 261 Medicare services from Dr. Gross across 7 procedure codes in 2020. Medicare paid $19,597 for them.
Dr. Gross' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 3902020: 15859%
- Surgery
- 2019: 2992020: 6180%
- Lab and pathology
- 2019: 1212020: 4265%
- Imaging
- 2019: 122020: 0100%
- Tests and treatments
- 2019: 112020: 0100%
- Other services
- 2019: 192020: 0100%
Where Dr. Gross' Medicare services took place, 2020
- In an office23389%
- In a facility2811%
Dr. Gross compared with the California median for gastroenterologists, 2020
- Dr. Gross
- California median
- Medicare services
- 261vs 58655% below
- Part D claims
- 20vs 38095% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Gross' most billed Medicare procedure codes, 2020
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. Gross?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gross and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Alan Gross' patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Gross' median patient age at 67, with 37% women.
Dr. Gross' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women37%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Robert Alan Gross wrote 20 Medicare Part D claims in 2021
In 2021, Dr. Gross wrote 20 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $453 in total drug cost. In 2020, CMS named 312 claims across 6 drugs.
Dr. Gross' most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 3122021: 2094%
Drugs named by CMS: 1 in 2021, 6 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Alan Gross received $1,352 in industry payments from 2016 to 2019
CMS Open Payments shows 27 general payments to Dr. Gross from 10 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Synergy Pharmaceuticals Inc paid the most, $336.
General payments to Dr. Gross by program year, 2016 to 2019
Companies that paid Dr. Gross the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Alan Gross'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert Alan Gross
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. Robert Alan Gross' NPI number?
Dr. Robert Alan Gross' NPI number is 1790821163. It was assigned on January 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Alan Gross?
Dr. Robert Alan Gross is a gastroenterologist in West Hollywood, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert Alan Gross practice?
Dr. Gross practices at 3831 Hughes Ave Suite 706 Suite 706, Culver City, CA 90232. Dr. Gross also practices at 8700 Beverly Blvd, West Hollywood, CA 90048. Dr. Gross' primary practice is Robert A Gross MD Inc in Culver City, California.
What is Dr. Robert Alan Gross' office phone number?
The practice phone on file for Dr. Gross is (310) 204-4044.
What is Dr. Robert Alan Gross' medical license number?
Dr. Gross holds California license G21342.
Does Dr. Robert Alan Gross accept Medicare?
Yes. CMS data shows Dr. Gross billed Medicare for 261 services in 2020.
What services does Dr. Robert Alan Gross bill to Medicare?
In 2020, Dr. Gross' most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and care management and other visits (99443).
What drugs does Dr. Robert Alan Gross prescribe most?
In 2021 Medicare Part D data, Dr. Gross' most prescribed drugs by claims were Famotidine.
Has Dr. Robert Alan Gross received payments from drug or device companies?
CMS Open Payments shows $1,352 in general payments to Dr. Gross from 10 companies from 2016 to 2019. The largest total came from Synergy Pharmaceuticals Inc.
How long has Dr. Robert Alan Gross been practicing?
Dr. Gross' NPI was assigned in 2007.
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