2026 NPPES data Family Medicine Physician NPI 1285734327 DO
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FLAVIO CORNEJO, DO

Family Medicine Physician in SANTA CRUZ, 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
5K
Medicare Part D claims · 246 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
82%
generic claims · 18% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

FLAVIO CORNEJO, DO filed 5,395 Medicare Part D claims in 2023 as a Family Medicine Physician in SANTA CRUZ, California, prescribing 82% generic.

5K
Part D claims, 2023
82%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

FLAVIO CORNEJO, DO's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

5,395 Top 6% higher than 94% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

FLAVIO CORNEJO, DO practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about FLAVIO CORNEJO, DO?

Quality data not reported

NPI registry status

Active

Issued 09/25/2006

NPI 1285734327

Primary specialty

Family Medicine Physician

High-volume

147,640 US NPIs in this specialty

Medicare Part D claims

5,395 58% vs specialty avg

2023 prescription claims

Specialty avg: 3,418

Specialty distribution in California

How Family Medicine Physician compares to other specialties among California providers

California providers

Family Medicine Physician share within California

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Family Medicine 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).

FLAVIO CORNEJO, DO appears in the CMS NPPES registry as a Family Medicine Physician provider holding DO credentials at 550A WATER ST, SANTA CRUZ, CA, 95060, with a listed phone of (831) 425-0420. NPI 1285734327 was issued on 09/25/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CORNEJO 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 5,395 prescription claims written by this provider, covering 246 Medicare beneficiaries and totaling roughly $1.4 million in drug spend, split 18% brand-name and 82% generic by claim count, with an opioid prescribing rate of 3.7%. 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.

Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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

550A WATER ST
SANTA CRUZ, CA 95060

Provider Details

NPI 1285734327
Specialty Family Medicine Physician
Credentials DO
Gender Male
NPI Issued 09/25/2006

Hospital and facility affiliations

Facilities where FLAVIO CORNEJO, DO bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

SALUD PARA LA GENTE
WATSONVILLE, CA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

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 FLAVIO CORNEJO, DO. To verify FLAVIO CORNEJO, DO'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 · Typical

FLAVIO CORNEJO, DO — brand share 18.0%
Specialty average (est.)

18% brand-name claims vs 82% generic, on 5,395 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.

5,395
Total Claims
$1.4M
Total Drug Cost
246
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
12,326
Total Day Supply
363,979
Brand vs Generic
18% brand / 82% generic
Brand Drug Cost
$1.2M
Generic Drug Cost
$143K
Opioid Claims
201 (3.7% rate)
Antibiotic Claims
25

Patient Demographics

Average Patient Age
70.1 years
Avg HCC Risk Score
1.49
Gender Split
45% female / 55% male
Age Distribution
<65: 40, 65-74: 136, 75-84: 58, 85+: 12

Top Prescribed Drugs (Medicare Part D)

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

What FLAVIO CORNEJO, DO prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Metformin Hcl
425
Atorvastatin Calcium
358
Glipizide
268
Jardiance
Empagliflozin
246
Losartan Potassium
236
Lisinopril
229
Amlodipine Besylate
217
Famotidine
161
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
145
Metoprolol Succinate
120

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

Family Medicine Physician Overview

How FLAVIO CORNEJO, DO fits within the Family Medicine Physician landscape nationally.

147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider

FLAVIO CORNEJO, DO's 5,395 claims are above the specialty average of 3,418.

Nearby Family Medicine Physician Providers in California

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

Compare Family Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is FLAVIO CORNEJO, DO's specialty?
FLAVIO CORNEJO, DO specializes in Family Medicine Physician and practices in SANTA CRUZ, California. Credentials: DO.
How much does FLAVIO CORNEJO, DO prescribe under Medicare Part D?
In 2023, FLAVIO CORNEJO, DO wrote 5,395 Medicare Part D claims totaling $1.4M in drug costs for 246 beneficiaries.
Where is FLAVIO CORNEJO, DO located?
FLAVIO CORNEJO, DO is located at 550A WATER ST, SANTA CRUZ, CA, 95060. Phone: (831) 425-0420.
What is FLAVIO CORNEJO, DO's NPI number?
FLAVIO CORNEJO, DO's National Provider Identifier (NPI) is 1285734327, issued on 09/25/2006.
Does FLAVIO CORNEJO, DO prescribe more brand-name or generic drugs?
FLAVIO CORNEJO, DO's prescribing is 18% brand-name and 82% generic drugs by claim count, with $1.2M in brand drug costs.
Does FLAVIO CORNEJO, DO prescribe opioids?
Yes, FLAVIO CORNEJO, DO had 201 opioid claims in 2023 with an opioid prescribing rate of 3.7%.
How many Family Medicine Physician providers are there in the US?
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does FLAVIO CORNEJO, DO prescribe most often?
Based on 2023 Medicare Part D data, FLAVIO CORNEJO, DO's most frequently prescribed drugs include Metformin Hcl, Atorvastatin Calcium, Glipizide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does FLAVIO CORNEJO, DO accept Medicare?
FLAVIO CORNEJO, DO appears in CMS Medicare data with 5,395 Part D claims and 246 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify FLAVIO CORNEJO, DO's credentials?
FLAVIO CORNEJO, DO's NPI is 1285734327 with credentials DO. 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