Dr. Nelson N. Noguchi, MD

  • Westminster, CA
  • Ophthalmologist
NPI1770685752PAC ID2668582578
Medicare services, 2024
2,701
Medicare patients, 2024
662
Part D claims, 2024
2,698
MIPS score, 2024
75
Hospital affiliations
1
Practice address
14571 Magnolia Street Suite 107, Westminster, CA 92683
Practice phone
Call (714) 387-2778
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Magnolia Surgery Center - Westminster

Surgery Center - Medicare-Certified · Westminster, California

See all 2 affiliations

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Dr. Nelson N. Noguchi is an ophthalmologist in Westminster, California

Dr. Noguchi practices at Magnolia Surgery Center - Westminster in Westminster, California.

Dr. Noguchi's NPI, 1770685752, was assigned on September 1, 2006. Dr. Noguchi graduated from John A. Burns School of Medicine in 1980. Dr. Noguchi holds California license G45971.

NPI and contact details
Medicare PAC ID
2668582578
NPI enumeration date
September 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 387-2778
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nelson N. Noguchi practices at Magnolia Surgery Center - Westminster in Westminster, California

Dr. Noguchi's primary practice is Magnolia Surgery Center - Westminster, at 14571 Magnolia Street Suite 107, Westminster, CA 92683. The practice phone is (714) 387-2778.

  • Magnolia Surgery Center - Westminster
    14571 Magnolia Street Suite 107, Westminster, CA 92683Phone(714) 387-2778

Source: Dmand AI Affiliation Data

Dr. Nelson N. Noguchi is affiliated with 2 sites of care

Dr. Noguchi's primary practice is Magnolia Surgery Center - Westminster in Westminster, California. Dr. Noguchi is also affiliated with AHMC Anaheim Regional Medical Center. Dr. Noguchi's employer is on file too: a surgery center (asc).

See all 2 affiliations for Dr. Noguchi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nelson N. Noguchi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Noguchi practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Magnolia Surgery Center - WestminsterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nelson N. Noguchi is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Noguchi's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Noguchi is board certified in internal medicine by the American Board of Internal Medicine. Dr. Noguchi is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G45971 · 1981 to 2027 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eyelid inflammation and glaucoma among the conditions Dr. Noguchi treats.

Ophthalmologists near Dr. Noguchi

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nelson N. Noguchi billed Medicare for 2,701 services in 2024

CMS data shows 2,701 Medicare services from Dr. Noguchi across 10 procedure codes in 2024, for 662 Medicare patients. Medicare paid $175,240 for them.

Medicare services, 20242,701
Medicare patients662
Paid by Medicare$175,240
Procedure codes10

Dr. Noguchi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2,1122024: 2,51519%
Office and hospital visits
2023: 892024: 11833%
Surgery
2023: 642024: 4038%
Imaging
2023: 342024: 2818%

Where Dr. Noguchi's Medicare services took place, 2024

  • In an office2,66199%
  • In a facility401%

Dr. Noguchi compared with the California median for ophthalmologists, 2024

  • Dr. Noguchi
  • California median
Medicare services
2,701vs 1,0792.5 times
Medicare patients
662vs 42157% above
Part D claims
2,612vs 6184.2 times

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Noguchi's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Noguchi

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nelson N. Noguchi treated 662 Medicare patients in 2024, average age 75

CMS counts 662 Medicare patients who saw Dr. Noguchi in 2024. The largest group is 65 to 74, with 255 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Noguchi's median patient age at 67, with 59% women.

Medicare patients, 2024662
Average age75
Average risk score1.67
Also on Medicaid65%

Dr. Noguchi's Medicare patients by age, 2024

Dr. Noguchi's Medicare patients by sex, 2024

  • Women39960%
  • Men26340%

Chronic conditions among Dr. Noguchi's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes55%
  4. Arthritis44%
  5. Chronic kidney disease35%
  6. Ischemic heart disease32%
  7. Osteoporosis26%
  8. Heart failure25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Noguchi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nelson N. Noguchi wrote 2,698 Medicare Part D claims in 2024

In 2024, Dr. Noguchi wrote 2,698 Medicare Part D claims for 383 patients. 65% of them were for generic drugs. CMS names the drug for 2,612 of them, across 19 drugs with 11 or more claims each, at $162,876 in total drug cost. In 2023, CMS named 2,499 claims across 22 drugs.

Part D claims, 20242,698
Drugs named by CMS19
Total drug cost$162,876
Part D patients383

Dr. Noguchi's Part D claims by kind of drug, 2024

  • Generic1,758 claims65%
  • Brand-name940 claims35%

Dr. Noguchi's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Noguchi's Part D claims, 2024

  • Antibiotics1%23 of 2,698 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,4992024: 2,6125%

Drugs named by CMS: 19 in 2024, 22 in 2023.

See all prescribing by Dr. Noguchi

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Nelson N. Noguchi scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Noguchi for performance year 2024, reported individually. Dr. Noguchi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 71 procedures of cataract surgery by Dr. Noguchi, more than 69% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Where Dr. Noguchi ranks in Medicare procedure volume

Cataract surgery
69th percentile71 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Nelson N. Noguchi received $466 in industry payments from 2018 to 2022

CMS Open Payments shows 12 general payments to Dr. Noguchi from 5 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Aerie Pharmaceuticals, Inc. paid the most, $196.

General payments to Dr. Noguchi by program year, 2018 to 2022

Companies that paid Dr. Noguchi the most, 2018 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Noguchi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Nelson N. Noguchi has 1 award and honors on record

Dmand AI lists 1 award for Dr. Noguchi.

Awards and honors for Dr. Noguchi

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Nelson N. Noguchi graduated from John A. Burns School of Medicine

Dr. Noguchi graduated from John A. Burns School of Medicine in 1980. Dr. Noguchi is a member of AAO.

  1. Medical schoolJohn A. Burns School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Nelson N. Noguchi accepts plans from 23 insurance carriers

Dr. Noguchi is in network with 23 carriers, including Aetna, Elevance and Humana. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Humana
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Alliant Health Plans
  • +15 more carriersWith a free account

Plan types Dr. Noguchi accepts, by number of carriers

  1. HMO13
  2. PPO13
  3. Medicare10
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nelson N. Noguchi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nelson N. Noguchi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nelson N. Noguchi's NPI number?

Dr. Nelson N. Noguchi's NPI number is 1770685752. It was assigned on September 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nelson N. Noguchi?

Dr. Nelson N. Noguchi is an ophthalmologist in Westminster, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Nelson N. Noguchi practice?

Dr. Noguchi practices at 14571 Magnolia Street Suite 107, Westminster, CA 92683. Dr. Noguchi's primary practice is Magnolia Surgery Center - Westminster in Westminster, California.

What is Dr. Nelson N. Noguchi's office phone number?

The practice phone on file for Dr. Noguchi is (714) 387-2778.

What is Dr. Nelson N. Noguchi's medical license number?

Dr. Noguchi holds California license G45971.

Which hospitals is Dr. Nelson N. Noguchi affiliated with?

Dr. Noguchi is affiliated with AHMC Anaheim Regional Medical Center.

Does Dr. Nelson N. Noguchi accept Medicare?

Yes. CMS data shows Dr. Noguchi billed Medicare for 2,701 services in 2024, and Dr. Noguchi accepts Medicare assignment.

What is Dr. Nelson N. Noguchi's MIPS score?

Dr. Noguchi's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Nelson N. Noguchi see?

CMS counts 662 Medicare patients who saw Dr. Noguchi in 2024, with an average age of 75.

Is Dr. Nelson N. Noguchi board certified?

Yes. Dr. Noguchi is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Nelson N. Noguchi bill to Medicare?

In 2024, Dr. Noguchi's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92202).

Where did Dr. Nelson N. Noguchi go to medical school?

Dr. Noguchi graduated from John A. Burns School of Medicine in 1980.

What drugs does Dr. Nelson N. Noguchi prescribe most?

In 2024 Medicare Part D data, Dr. Noguchi's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Brimonidine Tartrate.

Has Dr. Nelson N. Noguchi received payments from drug or device companies?

CMS Open Payments shows $466 in general payments to Dr. Noguchi from 5 companies from 2018 to 2022. The largest total came from Aerie Pharmaceuticals, Inc.

How long has Dr. Nelson N. Noguchi been practicing?

Dr. Noguchi graduated from medical school in 1980, 46 years ago.

What insurance does Dr. Nelson N. Noguchi accept?

Dr. Noguchi is in network with 23 carriers, including Aetna, Elevance and Humana. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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