John Hellstein, DDS
NPI 1396837050 · Oral and Maxillofacial Pathology Dentistry · Iowa City, IA
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hellstein, DDS is a Oral and Maxillofacial Pathology Dentistry provider in Iowa City, IA (NPI 1396837050).
Provider details
- NPI number
- 1396837050
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Pathology DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 40069 (IA)
Specialties & taxonomies
Dental Providers
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
307 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 166 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 111 | $118 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 16 | $101 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 | $102 |
Typical Medicare-allowed amounts for these services range $64–$118 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 144 | 47 |
| Clonazepam | 97 | 19 |
| Chlorhexidine Gluconate | 46 | 13 |
| Pilocarpine Hcl | 42 | — |
| Cyclobenzaprine Hcl | 39 | — |
| Fluconazole | 33 | — |
| Minocycline Hcl | 32 | — |
| Clobetasol Propionate | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2016-12-16
Frequently asked questions
- What is John Hellstein's NPI number?
- John Hellstein's National Provider Identifier (NPI) is 1396837050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hellstein's specialty?
- John Hellstein is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Pathology Dentistry (Dental Providers).
- Where is John Hellstein located?
- John Hellstein's practice location on file with NPPES is 386 Dental Science Bldg S, Iowa City, IA 52242-1001.
- What is John Hellstein's phone number?
- The practice phone number listed in the NPPES registry for John Hellstein is (319) 335-9656.
- Does John Hellstein accept Medicare?
- John Hellstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hellstein's NPI active?
- Yes — John Hellstein's NPI (1396837050) is active in the NPPES registry as of the last update on 2016-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.