Howard Avory Grayson, MD
Internal Medicine Physician · Hartford, CT
Howard Avory Grayson, MD is an internal medicine physician with a practice address in Hartford, Connecticut, and NPI 1205813102, issued on Dec 30, 2005. Check the license (Connecticut 024407, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Howard Avory Grayson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 024407 CT
24407 CT
Self-reported in NPPES; status is on the state search - Practice location
- 114 Woodland Street, Hartford, CT 06105
- Phone
- (860) 714-7446
- Enumerated
- Dec 30, 2005
- Record last updated
- May 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (860) 714-1508
- Medicaid ID
- 001244079 CT
- Medicare enrollment
- Enrolled (PECOS I20041228000563); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 114 Woodland Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Howard Avory Grayson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 024407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
23 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Bristol Hospital Multi Specialty Group, Inc.Southington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Avory Grayson among 2,623 internal medicine physician records in Connecticut
Howard Avory Grayson, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1976 · median 2004 among the 1,646 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
169 internal medicine physician records list a practice address in Hartford
They are 169 of the 6,317 NPPES records with a practice address in Hartford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Hartford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Tracey Jablonski, MDHartford, CT 061051619133873
- Charles Kantor, MDHartford, CT 061051164468237
- Antarpreet KaurHartford, CT 061051952578643
- Jayapriya KrishnaswamyHartford, CT 061051639337827
- Ralph Martin, MDHartford, CT 061051760484083
- Danilo Pangilinan, MDHartford, CT 061051184691800
Common questions
What is Howard Avory Grayson, MD's NPI number?
Howard Avory Grayson, MD's National Provider Identifier (NPI) is 1205813102, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Howard Avory Grayson, MD located?
The NPPES record lists a practice address at 114 Woodland Street, Hartford, CT, 06105. Phone: (860) 714-7446. Providers update this record themselves, so call before visiting.
How can I verify Howard Avory Grayson, MD's license?
NPPES lists Connecticut license number 024407, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Howard Avory Grayson, MD prescribe under Medicare Part D?
In 2024, Howard Avory Grayson, MD had 23 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.