2026 NPPES data Psychiatry Physician NPI 1336162759 M.D.
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SERGE ABDISHOO, M.D.

Psychiatry Physician in SANTA ANA, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
2K
Medicare Part D claims · 98 beneficiaries · Psychiatry Physician avg: 1K
Generic prescribing
95%
generic claims · 5% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$123.29
3 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: SERGE ABDISHOO, M.D. is a Psychiatry Physician ([object Object]) practicing in SANTA ANA, California with a Medicare Part D prescribing footprint of 2K claims across 98 beneficiaries — 5% brand-name prescribing . Industry payments of $123.29 across 3 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: SERGE ABDISHOO, M.D. filed 1,900 Medicare Part D claims in 2023 across SANTA ANA, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

SERGE ABDISHOO, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

SERGE ABDISHOO, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 07/26/2006

NPI 1336162759

Primary specialty

Psychiatry Physician

High-volume

53,104 US NPIs in this specialty

Medicare Part D claims

1,900 83% vs specialty avg

2023 prescription claims

Specialty avg: 1,038

Specialty distribution in California

How Psychiatry Physician compares to other specialties among California providers

California providers

Psychiatry Physician share within California

1. Psychiatry Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Psychiatry Physician share within California

Specialty board-certification context

Estimated specialty board-certified rate — Psychiatry Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Psychiatry Physician ABMS/AOA estimate

Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

SERGE ABDISHOO, M.D. is a Psychiatry Physician provider practicing in SANTA ANA, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1336162759. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

SERGE ABDISHOO, M.D. appears in the CMS NPPES registry as a Psychiatry Physician provider holding M.D. credentials at 601 PARKCENTER DR, SANTA ANA, CA, 92705, with a listed phone of (714) 453-0688. NPI 1336162759 was issued on 07/26/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ABDISHOO most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 1,900 prescription claims written by this provider, covering 98 Medicare beneficiaries and totaling roughly $343K in drug spend, split 5% brand-name and 95% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Psychiatry Physician is a high-volume specialty nationwide, with 53,104 enrolled providers across 56 states and an average of 1,038 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

601 PARKCENTER DR
SANTA ANA, CA 92705

Provider Details

NPI 1336162759
Specialty Psychiatry Physician
Credentials M.D.
Gender Male
NPI Issued 07/26/2006

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for SERGE ABDISHOO, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$123

Largest payer

Otsuka America Pharmaceutical, Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

License & disciplinary context — California MBC 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 — they are NOT specific to SERGE ABDISHOO, M.D.. To verify SERGE ABDISHOO, M.D.'s current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Generic-heavy

SERGE ABDISHOO, M.D. — brand share 5.0%
Specialty average (est.)

5% brand-name claims vs 95% generic, on 1,900 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

1,900
Total Claims
$343K
Total Drug Cost
98
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,973
Total Day Supply
56,836
Brand vs Generic
5% brand / 95% generic
Brand Drug Cost
$224K
Generic Drug Cost
$119K

Patient Demographics

Average Patient Age
55.3 years
Avg HCC Risk Score
1.33
Gender Split
28% female / 72% male
Age Distribution
<65: 62, 65-74: 34, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Quetiapine Fumarate
190
Benztropine Mesylate
127
Divalproex Sodium
126
Olanzapine
112
Trazodone Hcl
109
Sertraline Hcl
90
Aripiprazole
84
Risperidone
77
Haloperidol
70
Lorazepam
58

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Psychiatry Physician Overview

How SERGE ABDISHOO, M.D. fits within the Psychiatry Physician landscape nationally.

53,104
Psychiatry Physician Providers in US
56
States with Psychiatry Physician
1,038
Avg Claims per Provider

SERGE ABDISHOO, M.D.'s 1,900 claims are above the specialty average of 1,038.

Nearby Psychiatry Physician Providers in California

Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as ABDISHOO.

Compare Psychiatry Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is SERGE ABDISHOO, M.D.'s specialty?
SERGE ABDISHOO, M.D. specializes in Psychiatry Physician and practices in SANTA ANA, California. Credentials: M.D..
How much does SERGE ABDISHOO, M.D. prescribe under Medicare Part D?
In 2023, SERGE ABDISHOO, M.D. wrote 1,900 Medicare Part D claims totaling $343K in drug costs for 98 beneficiaries.
Where is SERGE ABDISHOO, M.D. located?
SERGE ABDISHOO, M.D. is located at 601 PARKCENTER DR, SANTA ANA, CA, 92705. Phone: (714) 453-0688.
What is SERGE ABDISHOO, M.D.'s NPI number?
SERGE ABDISHOO, M.D.'s National Provider Identifier (NPI) is 1336162759, issued on 07/26/2006.
Does SERGE ABDISHOO, M.D. prescribe more brand-name or generic drugs?
SERGE ABDISHOO, M.D.'s prescribing is 5% brand-name and 95% generic drugs by claim count, with $224K in brand drug costs.
How many Psychiatry Physician providers are there in the US?
There are 53,104 Psychiatry Physician providers across 56 states in the US. The average Psychiatry Physician provider writes 1,038 Medicare Part D claims per year.
What drugs does SERGE ABDISHOO, M.D. prescribe most often?
Based on 2023 Medicare Part D data, SERGE ABDISHOO, M.D.'s most frequently prescribed drugs include Quetiapine Fumarate, Benztropine Mesylate, Divalproex Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SERGE ABDISHOO, M.D. accept Medicare?
SERGE ABDISHOO, M.D. appears in CMS Medicare data with 1,900 Part D claims and 98 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SERGE ABDISHOO, M.D.'s credentials?
SERGE ABDISHOO, M.D.'s NPI is 1336162759 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology