NPPES file of Aug 9, 2026

Spencer Lee Haller, M.D.

Internal Medicine Physician · Wilbraham, MA

Spencer Lee Haller, M.D. is an internal medicine physician with a practice address in Wilbraham, Massachusetts, and NPI 1679787535, issued on May 10, 2007. Check the license (Massachusetts 222039, 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
1679787535
Name
Spencer Lee Haller
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
222039 MA
Self-reported in NPPES; status is on the state search
Practice location
70 Post Office Park, Wilbraham, MA 01095
Phone
(413) 598-7770
Enumerated
May 10, 2007
Record last updated
Mar 17, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(413) 599-1399
Medicaid ID
110079183A MA
Medicare enrollment
Enrolled (PECOS I20080922000181); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2004
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 70 Post Office Park

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

  1. Brian Banker, MDInternal Medicine Physician1871711192
  2. Lindsey Brunette, OTROccupational Therapist1508234931
  3. Celsea CaissePhysical Therapist1568986719
  4. Matthew ConnorsPhysician Assistant1548834971
  5. Caitlin Eckhoff, PTPhysical Therapist1811211303
  6. Lisa Millett, P.T.Physical Therapist1982611620

Verify Spencer Lee Haller 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 222039
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

7,919 Medicare Part D claims for 500 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 416 claims were for opioids.

  1. Spencer Haller7,919
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium613 claims
  2. Amlodipine Besylate535 claims
  3. Omeprazole339 claims
  4. Losartan Potassium292 claims
  5. Levothyroxine Sodium218 claims
  6. Valsartan177 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. Baystate Medical Practices IncSpringfield, MA

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

12 internal medicine physician records list a practice address in Wilbraham

They are 12 of the 206 NPPES records with a practice address in Wilbraham, and 6,825 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Spencer Lee Haller, M.D.'s NPI number?

Spencer Lee Haller, M.D.'s National Provider Identifier (NPI) is 1679787535, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Spencer Lee Haller, M.D. located?

The NPPES record lists a practice address at 70 Post Office Park, Wilbraham, MA, 01095. Phone: (413) 598-7770. Providers update this record themselves, so call before visiting.

How can I verify Spencer Lee Haller, M.D.'s license?

NPPES lists Massachusetts license number 222039, 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 Spencer Lee Haller, M.D. prescribe under Medicare Part D?

In 2024, Spencer Lee Haller, M.D. had 7,919 Medicare Part D claims for 500 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.