Dr. David Ritz, DO
- Medicare services, 2024
- 379
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 13
- Hospital affiliations
- 5
- Industry payments
- $4,564
- Practice address
- 1000 N.Village Ave., Rockville Centre, NY 11570
- Practice phone
- Call (516) 705-2216
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Medical Center - Unit
Acute Care Hospital-Unit · Rockville Centre, New York
Find Dr. Ritz's professional email, personal email and mobile number
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Dr. David Ritz is a general surgeon in Rockville Centre, New York
Dr. Ritz practices at Mercy Medical Center - Unit in Rockville Centre, New York.
Dr. Ritz's NPI, 1427585660, was assigned on May 18, 2017. Dr. Ritz graduated from Touro College of Osteopathic Medicine in 2017. Dr. Ritz holds New York license 317166.
- NPI
- 1427585660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062879299
- NPI enumeration date
- May 18, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 705-2216
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Ritz practices at Mercy Medical Center - Unit in Rockville Centre, New York
Dr. Ritz's primary practice is Mercy Medical Center - Unit, at 1000 N.Village Ave., Rockville Centre, NY 11570 in Nassau County. The practice phone is (516) 705-2216.
- Mercy Medical Center - Unit1000 N.Village Ave., Rockville Centre, NY 11570 · Nassau CountyPhone(516) 705-2216
Source: Dmand AI Affiliation Data
Dr. David Ritz is affiliated with 7 sites of care and 2 medical groups
Dr. Ritz's primary practice is Mercy Medical Center - Unit in Rockville Centre, New York. Dr. Ritz is also affiliated with Mercy Hospital. The medical group on file is Long Island Surgical PLLC. Dmand AI also links Dr. Ritz to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Ritz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ritz practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center - Unit | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Ritz is one of 1,604 general surgeons in New York
Surgery is Dr. Ritz's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ritz is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Ritz
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. David Ritz billed Medicare for 379 services in 2024
CMS data shows 379 Medicare services from Dr. Ritz across 6 procedure codes in 2024, for 216 Medicare patients. Medicare paid $47,651 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ritz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 542024: 367580%
- Surgery
- 2023: 02024: 12
Dr. Ritz compared with the New York median for general surgeons, 2024
- Dr. Ritz
- New York median
- Medicare services
- 379vs 1542.5 times
- Medicare patients
- 216vs 10998% above
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Ritz'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Ritz treated 216 Medicare patients in 2024, average age 78
CMS counts 216 Medicare patients who saw Dr. Ritz in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.81, 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. Ritz's median patient age at 55, with 58% women.
Dr. Ritz's Medicare patients by age, 2024
Dr. Ritz's Medicare patients by sex, 2024
- Women11754%
- Men9946%
Chronic conditions among Dr. Ritz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis58%
- Ischemic heart disease56%
- Chronic kidney disease50%
- Mood disorders50%
- Heart failure45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ritz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Ritz wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Ritz wrote 13 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. David Ritz ranks in the 65th percentile for removal of tissue in Medicare
Dr. Ritz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of removal of tissue by Dr. Ritz, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ritz ranks in Medicare procedure volume
- 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 (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. David Ritz received $4,564 in industry payments from 2023 to 2025
CMS Open Payments shows 15 general payments to Dr. Ritz from 7 drug and device companies from 2023 to 2025. Education make up the largest share, 55% of the total. Intuitive Surgical, Inc. paid the most, $4,143.
General payments to Dr. Ritz by program year, 2023 to 2025
General payments to Dr. Ritz by kind, 2023 to 2025
- Education$2,50055%
- Travel and lodging$1,38530%
- Food and beverage$68015%
Companies that paid Dr. Ritz the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Ritz graduated from Touro College of Osteopathic Medicine
Dr. Ritz graduated from Touro College of Osteopathic Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Ritz'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 (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. David Ritz
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. David Ritz's NPI number?
Dr. David Ritz's NPI number is 1427585660. It was assigned on May 18, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. David Ritz?
Dr. David Ritz is a general surgeon in Rockville Centre, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David Ritz practice?
Dr. Ritz practices at 1000 N.Village Ave., Rockville Centre, NY 11570. Dr. Ritz's primary practice is Mercy Medical Center - Unit in Rockville Centre, New York. Dmand AI also links Dr. Ritz to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. David Ritz's office phone number?
The practice phone on file for Dr. Ritz is (516) 705-2216.
What is Dr. David Ritz's medical license number?
Dr. Ritz holds New York license 317166.
Which hospitals is Dr. David Ritz affiliated with?
Dr. Ritz is affiliated with Mercy Hospital. Dmand AI links Dr. Ritz to 4 more hospitals.
What medical group is Dr. David Ritz part of?
Dr. Ritz is linked to Long Island Surgical PLLC. Dmand AI links Dr. Ritz to 1 more medical group.
Does Dr. David Ritz accept Medicare?
Yes. CMS data shows Dr. Ritz billed Medicare for 379 services in 2024, and Dr. Ritz accepts Medicare assignment.
How many Medicare patients does Dr. David Ritz see?
CMS counts 216 Medicare patients who saw Dr. Ritz in 2024, with an average age of 78.
What services does Dr. David Ritz bill to Medicare?
In 2024, Dr. Ritz's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and critical care (99291).
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Where did Dr. David Ritz go to medical school?
Dr. Ritz graduated from Touro College of Osteopathic Medicine in 2017.
Has Dr. David Ritz received payments from drug or device companies?
CMS Open Payments shows $4,564 in general payments to Dr. Ritz from 7 companies from 2023 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. David Ritz been practicing?
Dr. Ritz graduated from medical school in 2017, 9 years ago.
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