Caleb Tam, MS, DDS
Dentist · Cambridge, MA
Caleb Tam, MS, DDS is a dentist with a practice address in Cambridge, Massachusetts, and NPI 1912491333, issued on Jun 19, 2018. Check the license (Massachusetts DN1858420, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caleb Tam
- Credential
- MS, DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DN1858420 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge St, Cambridge, MA 02139
- Phone
- (617) 665-3990
- Enumerated
- Jun 19, 2018
- Record last updated
- Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 1493 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nawyaab Abbasi, DOStudent in an Organized Health Care Education/Training Program1215875364
- Flannery AbbeySocial Worker1508604273
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- Khaleel Abdul-Jabbaar, PT, DPTOrthopedic Physical Therapist1780295717
- Adri Abou-Bakr, MDStudent in an Organized Health Care Education/Training Program1770421844
Verify Caleb Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DN1858420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average dentist in 2024
58 Medicare Part D claims for 18 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate12 claims
- Hydrocodone-Acetaminophen11 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.
Caleb Tam among 2,934 dentist records in Massachusetts
Caleb Tam, MS, DDS is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 59% of them.
- NPI issued2018 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 dentist records list a practice address in Cambridge
They are 60 of the 5,145 NPPES records with a practice address in Cambridge, and 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Cambridge → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Andrei Barasch, DMD, MDSCCambridge, MA 021391962669382
- Peggy Chen, DMDCambridge, MA 021391295899839
- Raymond Dempsey, DMDCambridge, MA 021391386710812
- Patricia Dziewinska Baker, D.M.D.Cambridge, MA 021391558561035
- Marie Jean Mary, DMDCambridge, MA 021391326180878
- Han Soo Lho, DMDCambridge, MA 021391447327408
- Sam MerabiCambridge, MA 021391922173681
- Olga Povolotskaia, DDSCambridge, MA 021391699968388
Common questions
What is Caleb Tam, MS, DDS's NPI number?
Caleb Tam, MS, DDS's National Provider Identifier (NPI) is 1912491333, issued on Jun 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Caleb Tam, MS, DDS located?
The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-3990. Providers update this record themselves, so call before visiting.
How can I verify Caleb Tam, MS, DDS's license?
NPPES lists Massachusetts license number DN1858420, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Caleb Tam, MS, DDS prescribe under Medicare Part D?
In 2024, Caleb Tam, MS, DDS had 58 Medicare Part D claims for 18 beneficiaries; the average among dentist prescribers was 86. 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.