Kenneth Hetzler, M.D.
NPI 1083729966 · Psychiatry Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Hetzler, M.D. is a Psychiatry Physician provider in Worcester, MA (NPI 1083729966).
Provider details
- NPI number
- 1083729966
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59716 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
167 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 117 | $51 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 28 | $85 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 22 | $136 |
Typical Medicare-allowed amounts for these services range $51–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 34 | 20 |
| Clonazepam | 31 | 13 |
| Olanzapine | 29 | 19 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 23 | — |
| Quetiapine Fumarate | 21 | 14 |
| Prazosin Hcl | 19 | — |
| Lorazepam | 18 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2015-02-10
Frequently asked questions
- What is Kenneth Hetzler's NPI number?
- Kenneth Hetzler's National Provider Identifier (NPI) is 1083729966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Hetzler's specialty?
- Kenneth Hetzler is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Hetzler located?
- Kenneth Hetzler's practice location on file with NPPES is 123 Summer St, Worcester, MA 01608-1216.
- What is Kenneth Hetzler's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Hetzler is (509) 363-5000.
- Does Kenneth Hetzler accept Medicare?
- Kenneth Hetzler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Hetzler's NPI active?
- Yes — Kenneth Hetzler's NPI (1083729966) is active in the NPPES registry as of the last update on 2015-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.