Thomas Klein, MD
Thomas Klein, MD is an Otolaryngology Physician in Worcester, MA, registered under NPI 1710953898.
Getting there
The practice address on file is 123 SUMMER ST SUITE 300, Worcester, MA 01608. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 277030 | MA | Otolaryngology Physician primary |
This provider holds licence 277030 issued in MA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Otolaryngology covers
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise. NUCC Health Care Provider Taxonomy, code 207Y00000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1710953898 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Feb 27, 2006 |
| Last updated | Feb 18, 2009 |
| Status | Active |
| Sole proprietor | No |
| Credential | MD |
| Practice address |
123 SUMMER ST SUITE 300 Worcester, MA 01608 (508) 368-3103 Fax (508) 368-3104 |
| Mailing address |
630 PLANTATION ST Worcester, MA 01605 |
| Other identifiers |
0146978
· Medicaid (MA) AA5967 · Other 0146978 · Other 0146978 · Other 1000177 · Other 042472266 · Other 4246785 · Other 86726 · Other M04221 · Other 0082033 · Other 784043 · Other 042472266 · Other 042472266 · Other 84413 · Other MO4221 · Other M04221 · Other 28726 · Other M04221 · Other |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 7 | 1 | 0 | 9 | 5 | 3 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 7 | 2 | 0 | 9 | 5 | 6 | 8 | 9 |
Sum = 72 · next multiple of 10 = 80 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.