John Parnoff, D.M.D.
NPI 1407939325 · Periodontics · New Haven, CT
John Parnoff, D.M.D. is a Periodontics provider in New Haven, CT (NPI 1407939325).
Provider details
- NPI number
- 1407939325
- Entity type
- Individual
- Primary specialty
- PeriodonticsDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 8139 (CT)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 316 | 233 |
| Chlorhexidine Gluconate | 166 | 145 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 68 | 60 |
| Clindamycin Hcl | 55 | 38 |
| Tramadol Hcl | 36 | 28 |
| Azithromycin | 35 | 30 |
| Doxycycline Hyclate | 29 | 19 |
| Metronidazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Parnoff's NPI number?
- John Parnoff's National Provider Identifier (NPI) is 1407939325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Parnoff's specialty?
- John Parnoff is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).
- Where is John Parnoff located?
- John Parnoff's practice location on file with NPPES is 419 Whalley Ave, New Haven, CT 06511-3019.
- What is John Parnoff's phone number?
- The practice phone number listed in the NPPES registry for John Parnoff is (203) 777-5385.
- Is John Parnoff's NPI active?
- Yes — John Parnoff's NPI (1407939325) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.