NPPES file of Aug 9, 2026

Hamilton McClain Sporborg, D.D.S.

General Practice Dentistry · Chatham, MA

Hamilton McClain Sporborg, D.D.S. is a general practice dentistry with a practice address in Chatham, Massachusetts, and NPI 1730250804, issued on Nov 12, 2006. Check the license (Massachusetts 15177, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1730250804
Name
Hamilton McClain Sporborg
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
15177 MA
Self-reported in NPPES; status is on the state search
Practice location
1118 Main St, Chatham, MA 02633
Phone
(508) 945-0900
Enumerated
Nov 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(508) 945-4041
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Hamilton McClain Sporborg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 15177
    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
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22% more Medicare Part D claims than the average general practice dentistry in 2024

101 Medicare Part D claims for 71 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Hamilton Sporborg101
  2. Specialty average83

Most prescribed

  1. Amoxicillin70 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.

3 general practice dentistry records list a practice address in Chatham

They are 3 of the 42 NPPES records with a practice address in Chatham, and 3,489 general practice dentistry records in Massachusetts.

Other general practice dentistry records in Massachusetts

  1. Mark Aaron, DMDGreat Barrington, MA1902020902
  2. Heidi Aaronson, D.M.D.Wellesley, MA1134375652
  3. Jamil Abbasy, DMDSouthampton, MA1992988026
  4. Sama Abdul-Aziz, DMDBoston, MA1427543610
  5. Muhannad AbdulghaniBrockton, MA1326806654
  6. Noor AbdulkareemQuincy, MA1932809662
  7. Asma AbdullahShrewsbury, MA1225301237
  8. Abdulaziz Abdulwahed, BDSBoston, MA1730637414
  9. Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
  10. Rana Abood, DMDBoston, MA1376660936

Common questions

What is Hamilton McClain Sporborg, D.D.S.'s NPI number?

Hamilton McClain Sporborg, D.D.S.'s National Provider Identifier (NPI) is 1730250804, issued on Nov 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hamilton McClain Sporborg, D.D.S. located?

The NPPES record lists a practice address at 1118 Main St, Chatham, MA, 02633. Phone: (508) 945-0900. Providers update this record themselves, so call before visiting.

How can I verify Hamilton McClain Sporborg, D.D.S.'s license?

NPPES lists Massachusetts license number 15177, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Hamilton McClain Sporborg, D.D.S. prescribe under Medicare Part D?

In 2024, Hamilton McClain Sporborg, D.D.S. had 101 Medicare Part D claims for 71 beneficiaries; the average among general practice dentistry prescribers was 83. 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.