Halle M. Ostman, RN

  • Point Reyes Station, CA
  • Nurse practitioner
NPI1275345449
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2025
Practice address
11150 State Route 1, Point Reyes Station, CA 94956
Practice phone
Call (415) 663-1082
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Colin Hamblin, a Professional Medical Corporation

Point Reyes Station, California

See all 3 affiliations

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Halle M. Ostman is a nurse practitioner in Point Reyes Station, California

Halle Ostman practices at Colin Hamblin, a Professional Medical Corporation in Point Reyes Station, California.

Halle Ostman's NPI, 1275345449, was assigned on January 23, 2025. Halle Ostman holds California license 95038392.

NPI and contact details
NPI enumeration date
January 23, 2025
NPI status
Active
Practice phone
(415) 663-1082
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Halle M. Ostman practices at Colin Hamblin, a Professional Medical Corporation in Point Reyes Station, California

Halle Ostman's primary practice is Colin Hamblin, a Professional Medical Corporation, at 11150 State Route 1, Point Reyes Station, CA 94956 in Marin County. The practice phone is (415) 663-1082.

  • Colin Hamblin, a Professional Medical Corporation
    11150 State Route 1, Point Reyes Station, CA 94956 · Marin CountyPhone(415) 663-1082

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Halle M. Ostman is affiliated with 2 sites of care and 1 medical group

Halle Ostman's primary practice is Colin Hamblin, a Professional Medical Corporation in Point Reyes Station, California. The medical group on file is West Marin Medical Center. Dmand AI also links Halle Ostman to 1 more group practice or clinic, named with a free account.

Colin Hamblin, a Professional Medical CorporationPoint Reyes Station, CaliforniaPrimary
West Marin Medical CenterPrimary care group, Point Reyes Station, CA1 group practice or clinicName with a free account
See all 3 affiliations for Halle Ostman

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Halle M. Ostman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Halle Ostman practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Colin Hamblin, a Professional Medical CorporationAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Halle M. Ostman is one of 5,983 nurse practitioners in California

Nurse practitioner is Halle Ostman's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Halle Ostman is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 95356160 · taxonomy 363L00000X

Nurse practitioners near Halle Ostman

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

5,983nurse practitioners in California
2nurse practitioners in Point Reyes Station

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Halle M. Ostman's patients have a median age of 77

Across all payers, Dmand AI patient panel data puts Halle Ostman's median patient age at 77, with 45% women.

Halle Ostman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women45%
  • Men52%

Source: Dmand AI Patient Panel Data

Sources for Halle M. Ostman's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Halle M. Ostman

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Halle M. Ostman's NPI number?

Halle M. Ostman's NPI number is 1275345449. It was assigned on January 23, 2025, and it is active in the NPI Registry.

What does Halle M. Ostman specialize in?

Halle M. Ostman is a nurse practitioner in Point Reyes Station, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Halle M. Ostman practice?

Halle Ostman practices at 11150 State Route 1, Point Reyes Station, CA 94956. Halle Ostman's primary practice is Colin Hamblin, a Professional Medical Corporation in Point Reyes Station, California. Dmand AI also links Halle Ostman to 1 group practice or clinic.

What is Halle M. Ostman's office phone number?

The practice phone on file for Halle Ostman is (415) 663-1082.

What is Halle M. Ostman's medical license number?

Halle Ostman holds California license 95038392.

What medical group is Halle M. Ostman part of?

Halle Ostman is linked to West Marin Medical Center.

How long has Halle M. Ostman been practicing?

Halle Ostman's NPI was assigned in 2025.

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