What is Melissa Underdown's NPI number?

Melissa Underdown's National Provider Identifier (NPI) is 1821962069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Melissa Underdown's specialty?

Melissa Underdown is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Melissa Underdown located?

Melissa Underdown's practice location on file with NPPES is 3012 Murray Creek Rd, Athens, PA 18810-9273.

What is Melissa Underdown's phone number?

The practice phone number listed in the NPPES registry for Melissa Underdown is (570) 404-3845.

Is Melissa Underdown's NPI active?

Yes — Melissa Underdown's NPI (1821962069) is active in the NPPES registry as of the last update on 2025-10-01.

IndividualActive

Melissa Underdown

NPI 1821962069 · Registered Dietitian · Athens, PA

Melissa Underdown is a Registered Dietitian provider in Athens, PA (NPI 1821962069).

Provider details

NPI number: 1821962069
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: Yes
License: DN007657 (PA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense DN007657 (PA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

3012 Murray Creek Rd

Athens, PA 18810-9273

Phone: (570) 404-3845

Street-level locationGet directions

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Mailing address