NPPES file of Aug 9, 2026

Philip E. Knapp, MD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Philip E. Knapp, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1407819444, issued on Apr 10, 2006. Check the license (Massachusetts 154076, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407819444
Name
Philip E. Knapp
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
154076 MA
Self-reported in NPPES; status is on the state search
Practice location
732 Harrison Avenue, Boston, MA 02118
Phone
(617) 638-7470
Enumerated
Apr 10, 2006
Record last updated
Dec 5, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(617) 638-7449
Medicaid ID
110060660A MA
Medicare enrollment
Enrolled (PECOS I20041103000680); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 1995
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 732 Harrison Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emelia Benjamin, MD, SCMCardiovascular Disease Physician1114902582
  2. Sheilah Bernard, MDCardiovascular Disease Physician1275518318
  3. Qi ChuStudent in an Organized Health Care Education/Training Program1437950672
  4. Andrea Coviello, MDEndocrinology, Diabetes & Metabolism Physician1770590325
  5. Courtney Faiella, RN BCN-FNPFamily Nurse Practitioner1164074654
  6. Shabatun Islam, M.D.Cardiovascular Disease Physician1932562782

Verify Philip E. Knapp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 154076
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Massachusetts license search

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27% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,911 Medicare Part D claims for 253 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Philip Knapp1,911
  2. Specialty average2,630

Most prescribed

  1. Trulicity211 claims
  2. Levothyroxine Sodium197 claims
  3. Jardiance128 claims
  4. Lantus Solostar106 claims
  5. Alendronate Sodium88 claims
  6. Testosterone Cypionate67 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 one group practice

  1. Evans Medical Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

Other endocrinology, diabetes & metabolism physician records in Massachusetts

  1. Alice Abbott, MDLeeds, MA1922096205
  2. Adham Abdel Mottalib, MDBoston, MA1740774892
  3. Aya Abou El Nasr El Bassatne, M.D.Boston, MA1922674134
  4. Tobin Abraham, M.D.Chestnut Hill, MA1568629376
  5. Martin Abrahamson, M.D.Boston, MA1336254226
  6. Ana Paula Abreu Metzger, M.D., PHDBoston, MA1548632359
  7. Gail Adler, MD PHDBoston, MA1780675280
  8. Sara Ahmadi, M.D.Boston, MA1700082617
  9. Alexandra Albert, MD PHDWorcester, MA1164059127
  10. Erik Alexander, MDBoston, MA1285692376

Common questions

What is Philip E. Knapp, MD's NPI number?

Philip E. Knapp, MD's National Provider Identifier (NPI) is 1407819444, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Philip E. Knapp, MD located?

The NPPES record lists a practice address at 732 Harrison Avenue, Boston, MA, 02118. Phone: (617) 638-7470. Providers update this record themselves, so call before visiting.

How can I verify Philip E. Knapp, MD's license?

NPPES lists Massachusetts license number 154076, 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 Philip E. Knapp, MD prescribe under Medicare Part D?

In 2024, Philip E. Knapp, MD had 1,911 Medicare Part D claims for 253 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.