John Marenkovic III
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 5 Bon Air Rd, Larkspur, CA 94939
- Practice phone
- Call (415) 225-2923
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cynthia Lewton Dehan
Larkspur, California
Find John Marenkovic's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Marenkovic III is a physical therapist in Larkspur, California
John Marenkovic practices at Cynthia Lewton Dehan in Larkspur, California.
John Marenkovic's NPI, 1013891688, was assigned on August 5, 2025. John Marenkovic holds California license 308101.
- NPI
- 1013891688NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608365648
- NPI enumeration date
- August 5, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 225-2923
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John Marenkovic III practices at Cynthia Lewton Dehan in Larkspur, California
John Marenkovic's primary practice is Cynthia Lewton Dehan, at 5 Bon Air Rd, Larkspur, CA 94939 in Marin County. The practice phone is (415) 225-2923.
- Cynthia Lewton Dehan5 Bon Air Rd, Larkspur, CA 94939 · Marin CountyPhone(415) 225-2923
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Marenkovic III is affiliated with 2 sites of care and 1 medical group
John Marenkovic's primary practice is Cynthia Lewton Dehan in Larkspur, California. The medical group on file is Active Marin Physical Therapy. Dmand AI also links John Marenkovic to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Marenkovic III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Marenkovic practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cynthia Lewton Dehan | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John Marenkovic III is one of 11,178 physical therapists in California
Physical therapist is John Marenkovic's primary specialty in the NPI Registry, under taxonomy code 225100000X. John Marenkovic is licensed in California.
Specialties and state licenses
- Physical therapist, CaliforniaPrimary
Physical therapists near John Marenkovic
Counts of physical therapists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Marenkovic III's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts John Marenkovic's median patient age at 66, with 59% women.
John Marenkovic's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women59%
- Men35%
Source: Dmand AI Patient Panel Data
How John Marenkovic III takes part in Medicare
John Marenkovic accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for John Marenkovic III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Marenkovic III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Marenkovic III's NPI number?
John Marenkovic III's NPI number is 1013891688. It was assigned on August 5, 2025, and it is active in the NPI Registry.
What does John Marenkovic III specialize in?
John Marenkovic III is a physical therapist in Larkspur, California. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does John Marenkovic III practice?
John Marenkovic practices at 5 Bon Air Rd, Larkspur, CA 94939. John Marenkovic's primary practice is Cynthia Lewton Dehan in Larkspur, California. Dmand AI also links John Marenkovic to 1 group practice or clinic.
What is John Marenkovic III's office phone number?
The practice phone on file for John Marenkovic is (415) 225-2923.
What is John Marenkovic III's medical license number?
John Marenkovic holds California license 308101.
What medical group is John Marenkovic III part of?
John Marenkovic is linked to Active Marin Physical Therapy.
Does John Marenkovic III accept Medicare?
Yes. CMS lists John Marenkovic as accepting Medicare assignment.
How long has John Marenkovic III been practicing?
John Marenkovic graduated from medical school in 2025, 1 years ago.
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