Dr. Keiron W. Greaves, MD
- Medicare services, 2024
- 3,117
- Medicare patients, 2024
- 425
- Part D claims, 2024
- 1,290
- MIPS score, 2024
- 72
- Hospital affiliations
- 2
- Practice address
- 655 Shrewsbury Avenue, Shrewsbury, NJ 07702
- Practice phone
- Call (732) 450-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Shrewsbury Surgery Center
Surgery Center - Medicare-Certified · Shrewsbury, New Jersey
Find Dr. Greaves' 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. Keiron W. Greaves is an anesthesiologist in Shrewsbury, New Jersey
Dr. Greaves practices at Shrewsbury Surgery Center in Shrewsbury, New Jersey.
Dr. Greaves' NPI, 1447257969, was assigned on June 30, 2005. Dr. Greaves graduated from Rutgers New Jersey Medical School in 1989. Dr. Greaves holds New Jersey license 25MA05952100.
- NPI
- 1447257969NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456242791
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 450-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keiron W. Greaves practices at Shrewsbury Surgery Center in Shrewsbury, New Jersey
Dr. Greaves' primary practice is Shrewsbury Surgery Center, at 655 Shrewsbury Avenue, Shrewsbury, NJ 07702. The practice phone is (732) 450-6000.
- Shrewsbury Surgery Center655 Shrewsbury Avenue, Shrewsbury, NJ 07702Phone(732) 450-6000
Source: Dmand AI Affiliation Data
Dr. Keiron W. Greaves is affiliated with 4 sites of care and 1 medical group
Dr. Greaves' primary practice is Shrewsbury Surgery Center in Shrewsbury, New Jersey. Dr. Greaves is also affiliated with Jersey Shore University Medical Center. The medical group on file is Seaview Orthopaedic & Medical Associates. Dmand AI also links Dr. Greaves to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keiron W. Greaves' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greaves practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shrewsbury Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keiron W. Greaves is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Greaves' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Greaves is licensed in New Jersey.
Specialties and state licenses
- Anesthesiology, New JerseyPrimary
Anesthesiologists near Dr. Greaves
Counts of anesthesiologists 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. Keiron W. Greaves billed Medicare for 3,117 services in 2024
CMS data shows 3,117 Medicare services from Dr. Greaves across 15 procedure codes in 2024, for 425 Medicare patients. Medicare paid $116,054 for them.
Dr. Greaves' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 122024: 1,24010233%
- Office and hospital visits
- 2023: 1,1272024: 96215%
- Tests and treatments
- 2023: 7302024: 63014%
- Surgery
- 2023: 2112024: 16820%
- Imaging
- 2023: 1512024: 11723%
Where Dr. Greaves' Medicare services took place, 2024
- In an office2,94995%
- In a facility1685%
Dr. Greaves compared with the New Jersey median for anesthesiologists, 2024
- Dr. Greaves
- New Jersey median
- Medicare services
- 3,117vs 9233.9 times
- Medicare patients
- 425vs 1692.5 times
- Part D claims
- 1,244vs 2746.1 times
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Greaves' 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. Greaves and other anesthesiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keiron W. Greaves treated 425 Medicare patients in 2024, average age 75
CMS counts 425 Medicare patients who saw Dr. Greaves in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have arthritis, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greaves' median patient age at 61, with 56% women.
Dr. Greaves' Medicare patients by age, 2024
Dr. Greaves' Medicare patients by sex, 2024
- Women28367%
- Men14233%
Chronic conditions among Dr. Greaves' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease42%
- Diabetes39%
- Anxiety34%
- Mood disorders29%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greaves' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keiron W. Greaves wrote 1,290 Medicare Part D claims in 2024
In 2024, Dr. Greaves wrote 1,290 Medicare Part D claims for 392 patients. 93% of them were for generic drugs. CMS names the drug for 1,244 of them, across 19 drugs with 11 or more claims each, at $23,613 in total drug cost. In 2023, CMS named 1,383 claims across 22 drugs.
Dr. Greaves' Part D claims by kind of drug, 2024
- Generic1,203 claims93%
- Brand-name87 claims7%
Dr. Greaves' 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. Greaves' Part D claims, 2024
- Opioids16%205 of 1,290 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: 1,3832024: 1,24410%
Drugs named by CMS: 19 in 2024, 22 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. Keiron W. Greaves scored 72 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 72 out of 100 for Dr. Greaves for performance year 2024, reported as part of a group. Dr. Greaves accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Greaves' MIPS scores, performance year 2024
- 72of 100Final score
- 42.8of 100Quality
- 95of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Keiron W. Greaves received $1,757 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Dr. Greaves from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Nevro Corp. paid the most, $539.
General payments to Dr. Greaves by program year, 2016 to 2025
Companies that paid Dr. Greaves 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. Keiron W. Greaves graduated from Rutgers New Jersey Medical School
Dr. Greaves graduated from Rutgers New Jersey Medical School in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keiron W. Greaves'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Keiron W. Greaves
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. Keiron W. Greaves' NPI number?
Dr. Keiron W. Greaves' NPI number is 1447257969. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Keiron W. Greaves?
Dr. Keiron W. Greaves is an anesthesiologist in Shrewsbury, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Keiron W. Greaves practice?
Dr. Greaves practices at 655 Shrewsbury Avenue, Shrewsbury, NJ 07702. Dr. Greaves' primary practice is Shrewsbury Surgery Center in Shrewsbury, New Jersey. Dmand AI also links Dr. Greaves to 1 hospital and 1 group practice or clinic.
What is Dr. Keiron W. Greaves' office phone number?
The practice phone on file for Dr. Greaves is (732) 450-6000.
What is Dr. Keiron W. Greaves' medical license number?
Dr. Greaves holds New Jersey license 25MA05952100.
Which hospitals is Dr. Keiron W. Greaves affiliated with?
Dr. Greaves is affiliated with Jersey Shore University Medical Center. Dmand AI links Dr. Greaves to 1 more hospital.
What medical group is Dr. Keiron W. Greaves part of?
Dr. Greaves is linked to Seaview Orthopaedic & Medical Associates.
Does Dr. Keiron W. Greaves accept Medicare?
Yes. CMS data shows Dr. Greaves billed Medicare for 3,117 services in 2024, and Dr. Greaves accepts Medicare assignment.
What is Dr. Keiron W. Greaves' MIPS score?
Dr. Greaves' MIPS final score for performance year 2024 is 72 out of 100, reported as part of a group.
How many Medicare patients does Dr. Keiron W. Greaves see?
CMS counts 425 Medicare patients who saw Dr. Greaves in 2024, with an average age of 75.
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What services does Dr. Keiron W. Greaves bill to Medicare?
In 2024, Dr. Greaves' most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and medical service (97811).
Where did Dr. Keiron W. Greaves go to medical school?
Dr. Greaves graduated from Rutgers New Jersey Medical School in 1989.
What drugs does Dr. Keiron W. Greaves prescribe most?
In 2024 Medicare Part D data, Dr. Greaves' most prescribed drugs by claims were Lidocaine, Tramadol HCl and Cyclobenzaprine HCl.
Has Dr. Keiron W. Greaves received payments from drug or device companies?
CMS Open Payments shows $1,757 in general payments to Dr. Greaves from 26 companies from 2016 to 2025. The largest total came from Nevro Corp.
How long has Dr. Keiron W. Greaves been practicing?
Dr. Greaves graduated from medical school in 1989, 37 years ago.
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