JAMES RAMSAY HALVERSON (M.D.) – Family Medicine Physician, NPI 1720044787

JAMES RAMSAY HALVERSON (M.D.) is a healthcare provider. based in Ojai, California. specializing in FAMILY PRACTICE. They hold the professional credentials M.D.. They hold a License No. G51412 (CA). The NPI Number for JAMES RAMSAY HALVERSON (M.D.) is 1720044787

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
JAMES RAMSAY HALVERSON (M.D.)
NPI
1720044787
Phone
(805) 646-7246
Address
117 PIRIE RD
Enumeration Date
26 April 2006
Last Update Date
18 October 2007

Doctor Profile

Medical School Name
DUKE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8056467246
Graduation Year
1982 (44 years ago)
PAC ID
2769562743
Group Practice PAC ID
8527095520
Professional Enrollment ID
I20080229000474
Address ID
CA930233166OJ117XXRDXX301
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

13,194 FAMILY PRACTICE in CA

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Provider Addresses for JAMES RAMSAY HALVERSON (M.D.)

  • 117, Pirie Road, Matilija, Ojai, Ventura County, California, 93023, United States

    SUITE D

    OJAI, CA 930233166

    Phone: (805) 646-7246

    Fax: (805) 646-8936

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $317.

Total Amount is formed as General ($317) + Research ($0) + Ownership ($0) = $317.

Last reported payment date: 2024-07-19 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($150).

Total Amount

$317

General + Research + Ownership

Payments

5

Total payment records

General Amount

$317

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-07-19

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-02-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080229000474IFamily PracticeCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes729525$0
99214Established patient office or other outpatient visit, 30-39 minutes486340$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit381381$0
G0446Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes370370$0
G0444Annual depression screening, 5 to 15 minutes113113$0
View full utilization report →

Insurance plans in this area (ZIP 93023)

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Provider's Procedures

JAMES RAMSAY HALVERSON (M.D.) performs procedures in FAMILY PRACTICE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
FAMILY MEDICINECA17003Destruction of 2-14 skin growths1514
FAMILY MEDICINECA81002Urinalysis, manual test5950
FAMILY MEDICINECA82270Stool analysis for blood to screen for colon tumors3232

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8527095520View full group profile
NameSpecialtyState
-CA
Family PracticeCA

Reviews

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Frequently asked questions

What is the standard ID for JAMES RAMSAY HALVERSON (M.D.) in the U.S.?
In the U.S., JAMES RAMSAY HALVERSON (M.D.) is identified by NPI 1720044787.
Should I treat JAMES RAMSAY HALVERSON (M.D.) as an active provider?
Patients and plans typically see JAMES RAMSAY HALVERSON (M.D.) as active in the national extract.
How should patients interpret JAMES RAMSAY HALVERSON (M.D.)'s specialty?
The extract shows Family Medicine Physician for JAMES RAMSAY HALVERSON (M.D.). Clinical services aligned with this taxonomy classification.
Can patients visit JAMES RAMSAY HALVERSON (M.D.) in Ojai, California?
For routing, start with Ojai, California for JAMES RAMSAY HALVERSON (M.D.), then verify phone and hours locally.
Can I export JAMES RAMSAY HALVERSON (M.D.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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