Sergio Guzman, D.M.D., M.S.D.
Periodontics · Worcester, MA
Sergio Guzman, D.M.D., M.S.D. is a periodontics with a practice address in Worcester, Massachusetts, and NPI 1649209487, issued on Jul 2, 2006. Check the license (Massachusetts 20823, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sergio Guzman
- Credential
- D.M.D., M.S.D.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 20823 MA
Self-reported in NPPES; status is on the state search - Practice location
- 255 Park Ave, Worcester, MA 01609
- Phone
- (508) 363-4400
- Enumerated
- Jul 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 363-4700
- Entity
- Type 1 · individual
8 nearest periodontics records → All 390 in Massachusetts → Look up another NPI →
Also registered at 255 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peter Audette, DMDGeneral Practice Dentistry1578567228
- Joan BarclayCounselor1730527268
- Tobie Becker, R.D.,L.D.Registered Dietitian1093040073
- Sheryl Borodkin, PSYCHOLOGISTClinical Social Worker1770603136
Verify Sergio Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 20823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average periodontics in 2024
162 Medicare Part D claims for 75 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Chlorhexidine Gluconate86 claims
- Amoxicillin54 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.
Industry payments in 2024: $45,340.00
7 payments; by number, the most common kind was gift; the largest payer was A-dec, Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sergio Guzman among 390 periodontics records in Massachusetts
Sergio Guzman, D.M.D., M.S.D. is one of 390 periodontics records with a practice address in Massachusetts. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 72% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Massachusetts
There are 390 periodontics records in Massachusetts.
All 390 in Massachusetts → Every provider in Worcester → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Eugene Mariani, DDSWorcester, MA 016091184649444
- Athan Savas, DDSWorcester, MA 016091336157874
- Abraham Haddad, DMDWorcester, MA 016081588737902
- David Handsman, DMDWorcester, MA 016081467525881
- Todd Jenny, D.D.S.Worcester, MA 016051285075614
- Rajiv Nanda, DMDWorcester, MA 016051497859870
- Lisa Antonelli, DMDWorcester, MA 016041093892390
- Mahpareh Marefat, DMD, DMSCWestborough, MA 015811043447212
Common questions
What is Sergio Guzman, D.M.D., M.S.D.'s NPI number?
Sergio Guzman, D.M.D., M.S.D.'s National Provider Identifier (NPI) is 1649209487, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sergio Guzman, D.M.D., M.S.D. located?
The NPPES record lists a practice address at 255 Park Ave, Worcester, MA, 01609. Phone: (508) 363-4400. Providers update this record themselves, so call before visiting.
How can I verify Sergio Guzman, D.M.D., M.S.D.'s license?
NPPES lists Massachusetts license number 20823, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sergio Guzman, D.M.D., M.S.D. prescribe under Medicare Part D?
In 2024, Sergio Guzman, D.M.D., M.S.D. had 162 Medicare Part D claims for 75 beneficiaries; the average among periodontics prescribers was 277. 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.