LAUREN MASON MASSIE RDN, LD, CLC
NPI 1497641617
Dietitian, Registered in San Francisco, CA

NPI Status: Active since June 16, 2025

Contact Information

425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA
ZIP 94104
Phone: (212) 589-2700

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  • Individual
  • Female
  • Dietitian, Registered

About LAUREN MASSIE

This page provides the complete NPI Profile along with additional information for Lauren Massie, a provider established in San Francisco, California with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1497641617 assigned on June 2025. The practitioner's primary taxonomy code is 133V00000X with license number LD.08798 (OH). The provider is registered as an individual and her NPI record was last updated June 2025.

NPI
1497641617
Provider Name
LAUREN MASON MASSIE RDN, LD, CLC
Gender
Female
Entity Type
Individual
Location Address
425 CALIFORNIA ST STE 1400 SAN FRANCISCO, CA 94104
Location Phone
(212) 589-2700
Mailing Address
1459 TOWNSHIP ROAD 973 ASHLAND, OH 44805
Mailing Phone
(614) 596-9457
Is Sole Proprietor?
No
Enumeration Date
06-16-2025
Last Update Date
06-16-2025
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
LD.08798
License State
OH
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1497641617
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
24187124262
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 4 + 1 + 8 + 7 + 1 + 2 + 4 + 2 + 6 + 2 + 24 = 63
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 63 = 77

The NPI number 1497641617 is valid because the calculated check digit 7 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 14 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1154953693 PRISCILLA REINDORF
Individual
Nurse Practitioner (Family)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(855) 527-1850
1053768036 CHRISTINE OGUGBUAJA
Individual
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(855) 527-1850
1962129916 NAILAH ASPEN PEMBERTON APRN
Individual
Nurse Practitioner (Family)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(855) 527-1850
1073335741WEEKEND HEALTH OF TEXAS, PA
Organization
Dietitian, Registered (Nutrition, Obesity and Weight Management)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1700608478WEEKEND HEALTH OF TEXAS, PA
Organization
Preventive Medicine (Obesity Medicine)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1831821990 ROSE CHILSEN RDN, LDN
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(831) 484-7713
1437790789 KRISTINA DANIELLE STUART APRN
Individual
Nurse Practitioner (Family)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(855) 527-1850
1770388621 SARA JAFARI RD, LD
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(831) 484-7713
1871863589 KIMBERLY ANN CLERMONT FNP
Individual
Nurse Practitioner (Family)425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(855) 527-1850
1528333572 LAUREN HOLMES WALSH MS, RDN, LD, CHES
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1265224901 SARAH THIEL RD
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1376336669 MADELINE KOLPIN
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1053835314 MICHELLE NICOLE CLINTON RDN
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700
1053207258 KIMBERLY ANNE VISIONI RD
Individual
Dietitian, Registered425 CALIFORNIA ST STE 1400
SAN FRANCISCO, CA 94104
(212) 589-2700

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497641617, enumerated in the NPI registry as an "individual" on June 16, 2025

The provider is located at 425 California St Ste 1400 San Francisco, Ca 94104 and the phone number is (212) 589-2700

The provider's speciality is Dietitian, Registered with taxonomy code 133V00000X

This NPI record was last updated on June 16, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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