2026 NPPES data Internal Medicine Physician NPI 1629039532 MD
Verify on CMS →

RAYMOND FERNANDEZ, MD

Internal Medicine Physician in LAGUNA HILLS, 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
9K
Medicare Part D claims · 756 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
83.2769/100
▲ 0 pts above national avg 83.1 · [object Object]

What the federal data shows

RAYMOND FERNANDEZ, MD reported a CMS MIPS final score of 83.2769/100 — above the 83.1 national average — and filed 8,988 Medicare Part D claims in 2023.

83.2769/100
MIPS score · +0 vs avg
9K
Part D claims, 2023
89%
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.

RAYMOND FERNANDEZ, MD's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

83 42nd percentile higher than 42% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). This entry sits in this band. 90–100: 189,403 scored providers (40%). Above this entry. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. 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 Merit-based Incentive Payment System (MIPS) · 2023

Board certification likely (heuristic — not verified)

RAYMOND FERNANDEZ, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting — 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 RAYMOND FERNANDEZ, MD?

Near national average

NPI registry status

Active

Issued 03/30/2006

NPI 1629039532

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

8,988 231% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

MIPS final score

83.2769/100 0.1769000000000034% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in California

How Internal Medicine Physician compares to other specialties among California providers

California providers

Internal Medicine Physician share within California

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

Medicare quality performance — MIPS

RAYMOND FERNANDEZ, MD's 2023 MIPS final score plotted against the Internal Medicine Physician national average

Near national average
MIPS Final Score
83.2769/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Internal Medicine Physician) — 83.2769/100 vs national avg 83.1

0%100%National avg83%83.3%
MIPS final score (Internal Medicine Physician) — 83.2769/100 vs national avg 83.1

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).

RAYMOND FERNANDEZ, MD appears in the CMS NPPES registry as a Internal Medicine Physician provider holding MD credentials at 24221 CALLE DE LA LOUISA, LAGUNA HILLS, CA, 92653, with a listed phone of (949) 465-8155. NPI 1629039532 was issued on 03/30/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FERNANDEZ 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 8,988 prescription claims written by this provider, covering 756 Medicare beneficiaries and totaling roughly $760K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 2.3%. 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 83.2769/100 for the 2023 performance year (Quality 64.9105, Cost 81.8458), compared with the national average of 83.1.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 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

24221 CALLE DE LA LOUISA
LAGUNA HILLS, CA 92653

Provider Details

NPI 1629039532
Specialty Internal Medicine Physician
Credentials MD
Gender Male
NPI Issued 03/30/2006

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

83.2769
Final Score
Avg: 83.1
64.9105
Quality
81.8458
Cost
97
Promoting Interoperability

Reporting: Individual

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 RAYMOND FERNANDEZ, MD. To verify RAYMOND FERNANDEZ, MD'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

RAYMOND FERNANDEZ, MD — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 8,988 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.

8,988
Total Claims
$760K
Total Drug Cost
756
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
21,703
Total Day Supply
629,408
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$584K
Generic Drug Cost
$175K
Opioid Claims
207 (2.3% rate)
Antibiotic Claims
314

Patient Demographics

Average Patient Age
77.9 years
Avg HCC Risk Score
1.62
Gender Split
55% female / 45% male

Top Prescribed Drugs (Medicare Part D)

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

What RAYMOND FERNANDEZ, MD 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
Levothyroxine Sodium
566
Atorvastatin Calcium
410
Rosuvastatin Calcium
366
Amlodipine Besylate
301
Methylprednisolone
269
Lisinopril
260
Pantoprazole Sodium
221
Losartan Potassium
219
Simvastatin
209
Metoprolol Succinate
200

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

Internal Medicine Physician Overview

How RAYMOND FERNANDEZ, MD fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

RAYMOND FERNANDEZ, MD's 8,988 claims are above the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in California

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

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

Frequently Asked Questions

What is RAYMOND FERNANDEZ, MD's specialty?
RAYMOND FERNANDEZ, MD specializes in Internal Medicine Physician and practices in LAGUNA HILLS, California. Credentials: MD.
How much does RAYMOND FERNANDEZ, MD prescribe under Medicare Part D?
In 2023, RAYMOND FERNANDEZ, MD wrote 8,988 Medicare Part D claims totaling $760K in drug costs for 756 beneficiaries.
What is RAYMOND FERNANDEZ, MD's Medicare quality score?
RAYMOND FERNANDEZ, MD has a CMS MIPS Final Score of 83.2769/100 (Quality: 64.9105, Cost: 81.8458). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is RAYMOND FERNANDEZ, MD located?
RAYMOND FERNANDEZ, MD is located at 24221 CALLE DE LA LOUISA, LAGUNA HILLS, CA, 92653. Phone: (949) 465-8155.
What is RAYMOND FERNANDEZ, MD's NPI number?
RAYMOND FERNANDEZ, MD's National Provider Identifier (NPI) is 1629039532, issued on 03/30/2006.
Does RAYMOND FERNANDEZ, MD prescribe more brand-name or generic drugs?
RAYMOND FERNANDEZ, MD's prescribing is 11% brand-name and 89% generic drugs by claim count, with $584K in brand drug costs.
Does RAYMOND FERNANDEZ, MD prescribe opioids?
Yes, RAYMOND FERNANDEZ, MD had 207 opioid claims in 2023 with an opioid prescribing rate of 2.3%.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does RAYMOND FERNANDEZ, MD prescribe most often?
Based on 2023 Medicare Part D data, RAYMOND FERNANDEZ, MD's most frequently prescribed drugs include Levothyroxine Sodium, Atorvastatin Calcium, Rosuvastatin Calcium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does RAYMOND FERNANDEZ, MD accept Medicare?
RAYMOND FERNANDEZ, MD appears in CMS Medicare data with 8,988 Part D claims and 756 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify RAYMOND FERNANDEZ, MD's credentials?
RAYMOND FERNANDEZ, MD's NPI is 1629039532 with credentials MD. 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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