Joanna Tanzman
NPI 1437762325 · Physician Assistant · West Islip, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Tanzman is a Physician Assistant provider in West Islip, NY (NPI 1437762325).
Provider details
- NPI number
- 1437762325
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 149 | 111 |
| Famotidine | 82 | 57 |
| Pantoprazole Sodium | 68 | 47 |
| Dicyclomine Hcl | 26 | 18 |
| Linaclotidebrand: Linzess | 21 | 15 |
| Mesalamine | 18 | 11 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 16 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$323 across 15 records (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
- 2020-08-28
- Last updated
- 2020-08-28
- Certified
- 2020-08-28
Frequently asked questions
- What is Joanna Tanzman's NPI number?
- Joanna Tanzman's National Provider Identifier (NPI) is 1437762325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Tanzman's specialty?
- Joanna Tanzman is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanna Tanzman located?
- Joanna Tanzman's practice location on file with NPPES is 1111 Montauk Hwy, West Islip, NY 11795-4910.
- What is Joanna Tanzman's phone number?
- The practice phone number listed in the NPPES registry for Joanna Tanzman is (631) 669-1171.
- Does Joanna Tanzman accept Medicare?
- Joanna Tanzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Tanzman's NPI active?
- Yes — Joanna Tanzman's NPI (1437762325) is active in the NPPES registry as of the last update on 2020-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.