Dr. Raymond Anythony Diaz, MD
- Medicare services, 2024
- 329
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 1,247
- Industry payments
- $2,875
- Affiliated sites
- 4
- Practice address
- 1991 Marcus Avenue, Lake Success, NY 11042
- Practice phone
- Call (317) 796-7565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Hyde Park Endoscopy
Surgery Center - Medicare-Certified · Lake Success, New York
Find Dr. Diaz'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. Raymond Anythony Diaz is a gastroenterologist in New Hyde Park, New York
Dr. Diaz practices at New Hyde Park Endoscopy in Lake Success, New York.
Dr. Diaz's NPI, 1346250024, was assigned on August 8, 2006. Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1993. Dr. Diaz holds New York license 213794.
- NPI
- 1346250024NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002903408
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (317) 796-7565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond Anythony Diaz practices at New Hyde Park Endoscopy in Lake Success, New York
Dr. Diaz's primary practice is New Hyde Park Endoscopy, at 1991 Marcus Avenue, Lake Success, NY 11042. The practice phone is (317) 796-7565.
- New Hyde Park Endoscopy1991 Marcus Avenue, Lake Success, NY 11042Phone(317) 796-7565
Source: Dmand AI Affiliation Data
Dr. Raymond Anythony Diaz is affiliated with 4 sites of care and 7 medical groups
Dr. Diaz's primary practice is New Hyde Park Endoscopy in Lake Success, New York. The medical group on file is Digestive Disease Care (DDC). Dmand AI also links Dr. Diaz to 6 more medical groups, 2 group practices and clinics and 1 physician office, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Raymond Anythony Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Hyde Park Endoscopy | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. Raymond Anythony Diaz is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Diaz is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Diaz's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
- Connecticut license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroduodenitis and gastrointestinal bleeding among the conditions Dr. Diaz treats.
Gastroenterologists near Dr. Diaz
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. Raymond Anythony Diaz billed Medicare for 329 services in 2024
CMS data shows 329 Medicare services from Dr. Diaz across 9 procedure codes in 2024, for 156 Medicare patients. Medicare paid $45,238 for them. Every service was in an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1532024: 1573%
- Office and hospital visits
- 2023: 1332024: 1459%
- Tests and treatments
- 2023: 192024: 2742%
- Other services
- 2023: 122024: 0100%
Dr. Diaz compared with the New York median for gastroenterologists, 2024
- Dr. Diaz
- New York median
- Medicare services
- 329vs 42122% below
- Medicare patients
- 156vs 23634% below
- Part D claims
- 993vs 3822.6 times
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Diaz'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. Diaz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond Anythony Diaz treated 156 Medicare patients in 2024, average age 70
CMS counts 156 Medicare patients who saw Dr. Diaz in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 58% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 58, with 52% women.
Dr. Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Diaz's Medicare patients by sex, 2024
- Women8756%
- Men6944%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
- Arthritis34%
- Ischemic heart disease28%
- Anxiety21%
- Osteoporosis19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond Anythony Diaz wrote 1,247 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 1,247 Medicare Part D claims for 414 patients. 93% of them were for generic drugs. CMS names the drug for 993 of them, across 25 drugs with 11 or more claims each, at $53,248 in total drug cost. In 2023, CMS named 401 claims across 12 drugs.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic1,160 claims93%
- Brand-name and other87 claims7%
Dr. Diaz'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. Diaz's Part D claims, 2024
- Antibiotics3%39 of 1,247 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: 4012024: 993148%
Drugs named by CMS: 25 in 2024, 12 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. Raymond Anythony Diaz ranks in the 93rd percentile for colonoscopy in Medicare
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz as offering telehealth. CMS counts 194 procedures of colonoscopy by Dr. Diaz, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Diaz ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 90th percentile197 procedures
- Colonoscopy
- 93rd percentile194 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Raymond Anythony Diaz received $2,875 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Diaz from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Gilead Sciences, Inc. paid the most, $487.
General payments to Dr. Diaz by program year, 2016 to 2025
General payments to Dr. Diaz by kind, 2016 to 2025
- Food and beverage$2,81998%
- Education$572%
Companies that paid Dr. Diaz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raymond Anythony Diaz graduated from SUNY Downstate Health Sciences University
Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1993.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Raymond Anythony Diaz accepts plans from 19 insurance carriers
Dr. Diaz is in network with 19 carriers, including Aetna, MVP Health Care and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- MVP Health Care
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. Diaz accepts, by number of carriers
- PPO12
- Medicare10
- HMO9
- EPO5
- POS5
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Raymond Anythony Diaz'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 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Raymond Anythony Diaz
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. Raymond Anythony Diaz's NPI number?
Dr. Raymond Anythony Diaz's NPI number is 1346250024. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond Anythony Diaz?
Dr. Raymond Anythony Diaz is a gastroenterologist in New Hyde Park, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Raymond Anythony Diaz practice?
Dr. Diaz practices at 1991 Marcus Avenue, Lake Success, NY 11042. Dr. Diaz's primary practice is New Hyde Park Endoscopy in Lake Success, New York. Dmand AI also links Dr. Diaz to 6 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. Raymond Anythony Diaz's office phone number?
The practice phone on file for Dr. Diaz is (317) 796-7565.
What is Dr. Raymond Anythony Diaz's medical license number?
Dr. Diaz holds New York license 213794, one of the licenses on file in 2 states.
Which states has Dr. Raymond Anythony Diaz been licensed in?
Dmand AI has state licenses on file for Dr. Diaz in New York (1999 to 2027) and Connecticut (1995 to 2000).
What medical group is Dr. Raymond Anythony Diaz part of?
Dr. Diaz is linked to Digestive Disease Care (DDC). Dmand AI links Dr. Diaz to 6 more medical groups.
Does Dr. Raymond Anythony Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 329 services in 2024, and Dr. Diaz accepts Medicare assignment.
Does Dr. Raymond Anythony Diaz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Diaz as offering telehealth services.
How many Medicare patients does Dr. Raymond Anythony Diaz see?
CMS counts 156 Medicare patients who saw Dr. Diaz in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
Is Dr. Raymond Anythony Diaz board certified?
Yes. Dr. Diaz is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Raymond Anythony Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (43239) and surgery: heart and blood vessels (36415).
Where did Dr. Raymond Anythony Diaz go to medical school?
Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1993.
What drugs does Dr. Raymond Anythony Diaz prescribe most?
In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Raymond Anythony Diaz received payments from drug or device companies?
CMS Open Payments shows $2,875 in general payments to Dr. Diaz from 22 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Raymond Anythony Diaz been practicing?
Dr. Diaz graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Raymond Anythony Diaz accept?
Dr. Diaz is in network with 19 carriers, including Aetna, MVP Health Care and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
Selling to gastroenterology practices?
See gastroenterologists in New York 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