Ashley Marie Lytwyn, MS, RD, LDN
Registered Dietitian · Pasadena, CA
Ashley Marie Lytwyn, MS, RD, LDN is a registered dietitian with a practice address in Pasadena, California, and NPI 1770982142, issued on Aug 21, 2014. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ashley Marie Lytwyn
- Credential
- MS, RD, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 86002175 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2789 Madera Dr, Pasadena, CA 91107
- Phone
- (860) 810-4673
- Enumerated
- Aug 21, 2014
- Record last updated
- Jun 16, 2024
- Fax
- (877) 516-4391
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 7,148 in California → Look up another NPI →
Verify Ashley Marie Lytwyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ashley Marie Lytwyn among 7,148 registered dietitian records in California
Ashley Marie Lytwyn, MS, RD, LDN is one of 7,148 registered dietitian records with a practice address in California. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 32% of them.
- NPI issued2014 · 32% of these records are older, 65% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Dietitian providers in California
There are 7,148 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,148 in California → Every provider in Pasadena → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Anita Abdul-KarimPasadena, CA 911071619365970
- Cecilia Cabrera, RDPasadena, CA 911071790277804
- Brianna Hooks, MS, RDN, ACSM EP-CPasadena, CA 911071114681707
- Sohee Kim, RDPasadena, CA 911071295511293
- Pedro Paz, RD, MPHPasadena, CA 911071700182060
- Jacqueline SasoPasadena, CA 911071831945732
- Megan Tancredi, RDPasadena, CA 911071568080265
- Jenae Anderson, MPH, RDNPasadena, CA 911061285553008
Common questions
What is Ashley Marie Lytwyn, MS, RD, LDN's NPI number?
Ashley Marie Lytwyn, MS, RD, LDN's National Provider Identifier (NPI) is 1770982142, issued on Aug 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Marie Lytwyn, MS, RD, LDN located?
The NPPES record lists a practice address at 2789 Madera Dr, Pasadena, CA, 91107. Phone: (860) 810-4673. Providers update this record themselves, so call before visiting.
How can I verify Ashley Marie Lytwyn, MS, RD, LDN's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.