Dr. Ruby C. Greywoode, MD
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 362
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1200 Waters Place, Suite M-117, Bronx, NY 10461
- Practice phone
- Call (718) 863-0575
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New York GI Center
Surgery Center - Medicare-Certified · Bronx, New York
Find Dr. Greywoode'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. Ruby C. Greywoode is an internist in Bronx, New York
Dr. Greywoode practices at New York GI Center in Bronx, New York.
Dr. Greywoode's NPI, 1972861300, was assigned on April 23, 2012. Dr. Greywoode graduated from George Washington University School of Medicine in 2012. Dr. Greywoode holds New York license 237188.
- NPI
- 1972861300NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163777558
- NPI enumeration date
- April 23, 2012
- NPI status
- Active
- Practice phone
- (718) 863-0575
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ruby C. Greywoode practices at New York GI Center in Bronx, New York
Dr. Greywoode's primary practice is New York GI Center, at 1200 Waters Place, Suite M-117, Bronx, NY 10461. The practice phone is (718) 863-0575.
- New York GI Center1200 Waters Place, Suite M-117, Bronx, NY 10461Phone(718) 863-0575
Source: Dmand AI Affiliation Data
Dr. Ruby C. Greywoode is affiliated with 2 sites of care and 1 medical group
Dr. Greywoode's primary practice is New York GI Center in Bronx, New York. Dr. Greywoode is also affiliated with Montefiore Einstein Hospital-Moses Campus. The medical group on file is Montefiore Einstein Faculty Practice Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ruby C. Greywoode's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greywoode practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New York GI Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ruby C. Greywoode is one of 9,643 internists in New York
Internal medicine is Dr. Greywoode's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Greywoode is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Greywoode
Counts of internists 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. Ruby C. Greywoode billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Dr. Greywoode across 3 procedure codes in 2024, for 73 Medicare patients. Medicare paid $4,721 for them.
Dr. Greywoode's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 402024: 4923%
Where Dr. Greywoode's Medicare services took place, 2024
- In an office2143%
- In a facility2857%
Dr. Greywoode compared with the New York median for internists, 2024
- Dr. Greywoode
- New York median
- Medicare services
- 49vs 42688% below
- Medicare patients
- 73vs 15854% below
- Part D claims
- 295vs 62253% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Greywoode'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greywoode and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ruby C. Greywoode treated 73 Medicare patients in 2024, average age 72
CMS counts 73 Medicare patients who saw Dr. Greywoode in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 67% are also on Medicaid. Their average risk score is 3.08, 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. Greywoode's median patient age at 54, with 63% women.
Dr. Greywoode's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Greywoode's Medicare patients by sex, 2024
- Women5373%
- Men2027%
Chronic conditions among Dr. Greywoode's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes64%
- Arthritis52%
- Chronic kidney disease51%
- Heart failure51%
- Ischemic heart disease38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greywoode's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ruby C. Greywoode wrote 362 Medicare Part D claims in 2024
In 2024, Dr. Greywoode wrote 362 Medicare Part D claims for 85 patients. 81% of them were for generic drugs. CMS names the drug for 295 of them, across 10 drugs with 11 or more claims each, at $506,767 in total drug cost. In 2023, CMS named 219 claims across 7 drugs.
Dr. Greywoode's Part D claims by kind of drug, 2024
- Generic293 claims81%
- Brand-name69 claims19%
Dr. Greywoode'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2192024: 29535%
Drugs named by CMS: 10 in 2024, 7 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. Ruby C. Greywoode scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Greywoode for performance year 2024, reported as part of a group.
Dr. Greywoode's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 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: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ruby C. Greywoode received $6,387 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Greywoode from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 71% of the total. Sanofi and Genzyme US Companies paid the most, $4,740. It also lists 4 research payments totaling $7,960 in 2024.
General payments to Dr. Greywoode by program year, 2016 to 2025
General payments to Dr. Greywoode by kind, 2016 to 2025
- Consulting fees$4,53071%
- Food and beverage$1,57825%
- Education$2794%
Companies that paid Dr. Greywoode 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. Ruby C. Greywoode graduated from George Washington University School of Medicine
Dr. Greywoode graduated from George Washington University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ruby C. Greywoode'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 DataDmand AI Org Hierarchy 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 | Clinician Public Reporting: Overall MIPS Performance (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. Ruby C. Greywoode
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. Ruby C. Greywoode's NPI number?
Dr. Ruby C. Greywoode's NPI number is 1972861300. It was assigned on April 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruby C. Greywoode?
Dr. Ruby C. Greywoode is an internist in Bronx, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ruby C. Greywoode practice?
Dr. Greywoode practices at 1200 Waters Place, Suite M-117, Bronx, NY 10461. Dr. Greywoode's primary practice is New York GI Center in Bronx, New York.
What is Dr. Ruby C. Greywoode's office phone number?
The practice phone on file for Dr. Greywoode is (718) 863-0575.
What is Dr. Ruby C. Greywoode's medical license number?
Dr. Greywoode holds New York license 237188.
Which hospitals is Dr. Ruby C. Greywoode affiliated with?
Dr. Greywoode is affiliated with Montefiore Einstein Hospital-Moses Campus.
What medical group is Dr. Ruby C. Greywoode part of?
Dr. Greywoode is linked to Montefiore Einstein Faculty Practice Group.
Does Dr. Ruby C. Greywoode accept Medicare?
Yes. CMS data shows Dr. Greywoode billed Medicare for 49 services in 2024.
What is Dr. Ruby C. Greywoode's MIPS score?
Dr. Greywoode's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ruby C. Greywoode see?
CMS counts 73 Medicare patients who saw Dr. Greywoode in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Ruby C. Greywoode bill to Medicare?
In 2024, Dr. Greywoode's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99221) and hospital inpatient care (99222).
Where did Dr. Ruby C. Greywoode go to medical school?
Dr. Greywoode graduated from George Washington University School of Medicine in 2012.
What drugs does Dr. Ruby C. Greywoode prescribe most?
In 2024 Medicare Part D data, Dr. Greywoode's most prescribed drugs by claims were Omeprazole, Famotidine and Mesalamine.
Has Dr. Ruby C. Greywoode received payments from drug or device companies?
CMS Open Payments shows $6,387 in general payments to Dr. Greywoode from 9 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Ruby C. Greywoode been practicing?
Dr. Greywoode graduated from medical school in 2012, 14 years ago.
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