Dr. Robert A. Klein, MD
- Medicare services, 2019
- 228
- Part D claims, 2020
- 11
- Industry payments
- $340
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 300 Old Country Rd Ste 31 Suite 31, Mineola, NY 11501
- Practice phone
- Call (516) 294-9380
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Shore-lij Medical - Mineola (300 Old Country Rd)
Primary care practice · Mineola, New York
Find Dr. Klein'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. Robert A. Klein is a gastroenterologist in Mineola, New York
Dr. Klein practices at North Shore-lij Medical - Mineola (300 Old Country Rd) in Mineola, New York.
Dr. Klein's NPI, 1538263637, was assigned on September 11, 2006. Dr. Klein holds New York license 140524-1.
- NPI
- 1538263637NPI Registry (opens in a new tab)
- NPI enumeration date
- September 11, 2006
- NPI status
- Active
- Practice phone
- (516) 294-9380
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Klein practices at North Shore-lij Medical - Mineola (300 Old Country Rd) in Mineola, New York
Dr. Klein's primary practice is North Shore-lij Medical - Mineola (300 Old Country Rd), at 300 Old Country Rd Ste 31 Suite 31, Mineola, NY 11501. The practice phone is (516) 294-9380.
- North Shore-lij Medical - Mineola (300 Old Country Rd)300 Old Country Rd Ste 31 Suite 31, Mineola, NY 11501Phone(516) 294-9380
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Klein is affiliated with 2 sites of care and 2 medical groups
Dr. Klein's primary practice is North Shore-lij Medical - Mineola (300 Old Country Rd) in Mineola, New York. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Klein to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert A. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore-lij Medical - Mineola (300 Old Country Rd) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Klein is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Klein is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Klein
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 A. Klein billed Medicare for 228 services in 2019
CMS data shows 228 Medicare services from Dr. Klein across 7 procedure codes in 2019. Medicare paid $19,288 for them.
Dr. Klein's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 4452019: 14667%
- Surgery
- 2018: 1772019: 8254%
Where Dr. Klein's Medicare services took place, 2019
- In an office14664%
- In a facility8236%
Dr. Klein compared with the New York median for gastroenterologists, 2019
- Dr. Klein
- New York median
- Medicare services
- 228vs 42146% below
- Part D claims
- 11vs 38297% below
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Klein's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 66, with 0% women.
Dr. Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Robert A. Klein wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Klein wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $72 in total drug cost. In 2019, CMS named 245 claims across 5 drugs.
Dr. Klein's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2452020: 1196%
Drugs named by CMS: 1 in 2020, 5 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert A. Klein received $340 in industry payments from 2016 to 2023
CMS Open Payments shows 14 general payments to Dr. Klein from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Ironwood Pharmaceuticals, Inc paid the most, $128.
General payments to Dr. Klein by program year, 2016 to 2023
General payments to Dr. Klein by kind, 2016 to 2023
- Food and beverage$32796%
- Education$134%
Companies that paid Dr. Klein the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert A. Klein'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 A. Klein
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 A. Klein's NPI number?
Dr. Robert A. Klein's NPI number is 1538263637. It was assigned on September 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Klein?
Dr. Robert A. Klein is a gastroenterologist in Mineola, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert A. Klein practice?
Dr. Klein practices at 300 Old Country Rd Ste 31 Suite 31, Mineola, NY 11501. Dr. Klein's primary practice is North Shore-lij Medical - Mineola (300 Old Country Rd) in Mineola, New York. Dmand AI also links Dr. Klein to 1 group practice or clinic and 1 medical group.
What is Dr. Robert A. Klein's office phone number?
The practice phone on file for Dr. Klein is (516) 294-9380.
What is Dr. Robert A. Klein's medical license number?
Dr. Klein holds New York license 140524-1.
What medical group is Dr. Robert A. Klein part of?
Dr. Klein is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Robert A. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 228 services in 2019.
What services does Dr. Robert A. Klein bill to Medicare?
In 2019, Dr. Klein's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45380) and office visit, established patient (99214).
What drugs does Dr. Robert A. Klein prescribe most?
In 2020 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Omeprazole.
Has Dr. Robert A. Klein received payments from drug or device companies?
CMS Open Payments shows $340 in general payments to Dr. Klein from 7 companies from 2016 to 2023. The largest total came from Ironwood Pharmaceuticals, Inc.
How long has Dr. Robert A. Klein been practicing?
Dr. Klein's NPI was assigned in 2006.
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