What is Joyce Merkel's NPI number?

Joyce Merkel's National Provider Identifier (NPI) is 1114720521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joyce Merkel's specialty?

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

Where is Joyce Merkel located?

Joyce Merkel's practice location on file with NPPES is 49 Wyman Rd, Billerica, MA 01821-3729.

What is Joyce Merkel's phone number?

The practice phone number listed in the NPPES registry for Joyce Merkel is (301) 204-9105.

Is Joyce Merkel's NPI active?

Yes — Joyce Merkel's NPI (1114720521) is active in the NPPES registry as of the last update on 2025-03-31.

IndividualActive

Joyce Merkel, RD

NPI 1114720521 · Registered Dietitian · Billerica, MA

Joyce Merkel, RD is a Registered Dietitian provider in Billerica, MA (NPI 1114720521).

Provider details

NPI number: 1114720521
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(48/100 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
83% 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

49 Wyman Rd

Billerica, MA 01821-3729

Phone: (301) 204-9105

Street-level locationGet directions

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Mailing address