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DR. ANN O MASSION M.D.
NPI 1376517664
Psychiatry & Neurology - Psychiatry in Del Mar, CA

Active since February 14, 2006Opted out of Medicare · through Aug 22, 2026
12835 POINTE DEL MAR WAY, SUITE ONE, DEL MAR, CA 92014(858) 259-0599 Get Directions Write a Review

NPPES record last updated: October 15, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ann O Massion M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANN O MASSION M.D. (NPI 1376517664) is an individual psychiatry provider in Del Mar, California, licensed in California (A49598) and active in the NPI registry since February 2006. She has opted out of Medicare through August 22, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1376517664
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ANN O MASSIONCredential: M.D.
Location Address12835 POINTE DEL MAR WAY, SUITE ONEDel Mar, CA 92014-3846
Mailing Address12835 Pointe Del Mar Way, Suite OneDel Mar, CA 92014-3846 · (858) 259-0599
Phone(858) 259-0599
Sole ProprietorYes
Enumeration DateFebruary 14, 2006
Last NPPES UpdateOctober 15, 2015
✔ NPI 1376517664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A49598
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
12835 POINTE DEL MAR WAY, Del Mar, CA 92014
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Other Identifiers 2

Medicare ID-Type UnspecifiedMA J07171MA
Medicare UPINB74916MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Ann O Massion M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 22, 2014 through August 22, 2026.

Opt-Out Effective DateAugust 22, 2014
Opt-Out In Effect ThroughAugust 22, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOSEPH WURBEL DO
Psychiatry & Neurology (Psychiatry)
12835 POINTE DEL MAR WAY
DEL MAR, CA 92014
San Diego County (858) 259-0599
JOYCE PRINCE LMFT
Marriage & Family Therapist
12835 POINTE DEL MAR WAY, SUITE 1
DEL MAR, CA 92014
San Diego County (858) 259-0599

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann Massion's NPI number?

The NPI number for Ann Massion is 1376517664. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Ann Massion located?

Ann Massion practices at 12835 Pointe Del Mar Way Suite One, Del Mar, CA 92014. The listed phone number is (858) 259-0599.

What is Ann Massion's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ann Massion enrolled in Medicare?

No. Ann Massion has opted out of Medicare through August 22, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Ann Massion accept?

Health plans from Providence Health Plan list Ann Massion as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ann Massion was last updated on October 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.