Grayden Samuel Cook
Urology Physician · Boston, MA
Grayden Samuel Cook is a urology physician with a practice address in Boston, Massachusetts, and NPI 1043891658, issued on Apr 15, 2021. Check the license (Massachusetts 292715, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Grayden Samuel Cook
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 292715 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 732-5500
- Enumerated
- Apr 15, 2021
- Record last updated
- Aug 4, 2022
- Entity
- Type 1 · individual
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
- Emily Aaronson, M.D.Emergency Medicine Physician1962791558
- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Grayden Samuel Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 292715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average urology physician in 2024
249 Medicare Part D claims for 151 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Trospium Chloride58 claims
- Tamsulosin Hcl52 claims
- Sulfamethoxazole-Trimethoprim42 claims
- Oxycodone Hcl26 claims
- Diclofenac Sodium18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts.
Other urology physician records in Massachusetts
- Joseph Adolph, MDMarlboro, MA1700883535
- Abdulsalam Albalawi, MDChestnut Hill, MA1487087375
- Mehrdad AlemozaffarBoston, MA1376749861
- Richard Alexander, M.D.Greenfield, MA1497762884
- Farshid Alizadeh, MDBrighton, MA1619608577
- Christopher Allard, MDBoston, MA1629486022
- Richard Altman, MDChelmsford, MA1134199748
- Joshua Altschuler, MDWorcester, MA1003471962
- Kevin Asher, MDSpringfield, MA1578733457
- Philip Ayvazian, MDWorcester, MA1487654984
Common questions
What is Grayden Samuel Cook's NPI number?
Grayden Samuel Cook's National Provider Identifier (NPI) is 1043891658, issued on Apr 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Grayden Samuel Cook located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.
How can I verify Grayden Samuel Cook's license?
NPPES lists Massachusetts license number 292715, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grayden Samuel Cook prescribe under Medicare Part D?
In 2024, Grayden Samuel Cook had 249 Medicare Part D claims for 151 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.