Erika Hyde Riley, MD MPH
Internal Medicine Physician · Boston, MA
Erika Hyde Riley, MD MPH is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1710960703, issued on Nov 22, 2005. Check the license (Massachusetts 215757, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Erika Hyde Riley
- Credential
- MD MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 215757 MA
Self-reported in NPPES; status is on the state search - Practice location
- 165 Cambridge St, Boston, MA 02114
- Phone
- (617) 726-6677
- Enumerated
- Nov 22, 2005
- Record last updated
- Feb 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (617) 228-6306
- Medicaid ID
- 0186660 MA
- Medicare enrollment
- Enrolled (PECOS I20040826000495); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 165 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erika Hyde Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 215757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average internal medicine physician in 2024
4,451 Medicare Part D claims for 412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium286 claims
- Levothyroxine Sodium188 claims
- Lisinopril174 claims
- Omeprazole164 claims
- Hydrochlorothiazide157 claims
- Rosuvastatin Calcium153 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.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- Personalmds, LLCChestnut Hill, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erika Hyde Riley among 6,825 internal medicine physician records in Massachusetts
Erika Hyde Riley, MD MPH is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2004 among the 4,103 with a school on file
- Record last updated2014 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jaime Chang, MDBoston, MA 021141205825197
- Jeffrey Engelman, MD PHDBoston, MA 021141538159108
- James Evans, MDBoston, MA 021141215939533
- Nicolette Fontaine, MDBoston, MA 021141841287174
- Nancy Gagliano, MDBoston, MA 021141881680767
- Patricia Gibbons, MDBoston, MA 021141619967221
- Steven Hersch, MDBoston, MA 021141174512149
- Mira Kautzky, M.D.Boston, MA 021141972505402
Common questions
What is Erika Hyde Riley, MD MPH's NPI number?
Erika Hyde Riley, MD MPH's National Provider Identifier (NPI) is 1710960703, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Erika Hyde Riley, MD MPH located?
The NPPES record lists a practice address at 165 Cambridge St, Boston, MA, 02114. Phone: (617) 726-6677. Providers update this record themselves, so call before visiting.
How can I verify Erika Hyde Riley, MD MPH's license?
NPPES lists Massachusetts license number 215757, 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 Erika Hyde Riley, MD MPH prescribe under Medicare Part D?
In 2024, Erika Hyde Riley, MD MPH had 4,451 Medicare Part D claims for 412 beneficiaries; 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.