Alissa Whittaker, FNP
NPI 1033540638 · Family Nurse Practitioner · Plymouth, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alissa Whittaker, FNP is a Family Nurse Practitioner provider in Plymouth, IN (NPI 1033540638).
Provider details
- NPI number
- 1033540638
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 71004885A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
12 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 83 | 20 |
| Amlodipine Besylate | 81 | 17 |
| Lisinopril | 54 | 14 |
| Metformin Hcl | 41 | — |
| Atorvastatin Calcium | 38 | — |
| Duloxetine Hcl | 35 | — |
| Famotidine | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$391 across 16 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
- 2013-12-06
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Alissa Whittaker's NPI number?
- Alissa Whittaker's National Provider Identifier (NPI) is 1033540638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alissa Whittaker's specialty?
- Alissa Whittaker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alissa Whittaker located?
- Alissa Whittaker's practice location on file with NPPES is 113 N Michigan St, Plymouth, IN 46563-2132.
- What is Alissa Whittaker's phone number?
- The practice phone number listed in the NPPES registry for Alissa Whittaker is (574) 936-2643.
- Does Alissa Whittaker accept Medicare?
- Alissa Whittaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alissa Whittaker's NPI active?
- Yes — Alissa Whittaker's NPI (1033540638) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.