Marsha Isaacson
Speech-Language Pathologist · Aptos, CA
Marsha Isaacson is a speech-language pathologist with a practice address in Aptos, California, and NPI 1609286566, issued on Apr 30, 2014. Check the license (California CA4453, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marsha Isaacson
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- CA4453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1940 Bonita Dr, Aptos, CA 95003
- Phone
- (831) 684-1467
- Enumerated
- Apr 30, 2014
- Record last updated
- Apr 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1940 Bonita Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Brownstone, MS OTR/L; SWCOccupational Therapist1497924732
- Adam GordonPediatric Occupational Therapist1003352055
- Jessica Lague, OTR/LOccupational Therapist1164764098
- Caitlin McConnellOccupational Therapist1770093874
- Patricia Steffen, OTR/LPediatric Occupational Therapist1447428883
- Claire Wallace, M.A. CCC-SLPSpeech-Language Pathologist1700290715
Verify Marsha Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license CA4453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21 speech-language pathologist records list a practice address in Aptos
They are 21 of the 380 NPPES records with a practice address in Aptos, and 13,141 speech-language pathologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 21 in Aptos → All 13,141 in California → Every provider in Aptos →
Other speech-language pathologist records in California
- Roxana AamesSan Francisco, CA1518609981
- Sedie Abadi, D.C.Los Angeles, CA1679674089
- Careen AbadjianFresno, CA1982092029
- Lisa Abai, MA CCC-SLPLos Angeles, CA1871446260
- Rachel AbalSan Francisco, CA1245842483
- Ilyssa Abaranok, M.S. CCC-SLPNorth Hollywood, CA1699082362
- Robert AbarcaLong Beach, CA1770393142
- Kelley Amber Abarquez, SLPHawthorne, CA1932663804
- Diane Abatemarco, SLP-CFSan Francisco, CA1457710964
- Kathryn Abbene, M.A. CCC-SLPRancho Santa Margarita, CA1215492897
Common questions
What is Marsha Isaacson's NPI number?
Marsha Isaacson's National Provider Identifier (NPI) is 1609286566, issued on Apr 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marsha Isaacson located?
The NPPES record lists a practice address at 1940 Bonita Dr, Aptos, CA, 95003. Phone: (831) 684-1467. Providers update this record themselves, so call before visiting.
How can I verify Marsha Isaacson's license?
NPPES lists California license number CA4453, as entered by the provider. 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.