Dr. John J. Hewett, MD

  • Newport Beach, CA
  • Vascular surgeon
NPI1972543296PAC ID9638062797
Medicare services, 2024
6,115
Medicare patients, 2024
565
Part D claims, 2024
400
MIPS score, 2024
75
Hospital affiliations
1
Practice address
4501 Birch St, Newport Beach, CA 92660
Practice phone
Call (661) 472-4177
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Newport Coast Surgical and Pain Center, LLC

Newport Beach, California

See all 8 affiliations

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Dr. John J. Hewett is a vascular surgeon in Newport Beach, California

Dr. Hewett practices at Newport Coast Surgical and Pain Center, LLC in Newport Beach, California.

Dr. Hewett's NPI, 1972543296, was assigned on June 7, 2006. Dr. Hewett graduated from University of California, San Francisco School of Medicine in 1996. Dr. Hewett holds California license C52896.

NPI and contact details
Medicare PAC ID
9638062797
NPI enumeration date
June 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(661) 472-4177
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. John J. Hewett practices at Newport Coast Surgical and Pain Center, LLC in Newport Beach, California

Dr. Hewett's primary practice is Newport Coast Surgical and Pain Center, LLC, at 4501 Birch St, Newport Beach, CA 92660 in Orange County. The practice phone is (661) 472-4177.

  • Newport Coast Surgical and Pain Center, LLC
    4501 Birch St, Newport Beach, CA 92660 · Orange CountyPhone(661) 472-4177

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John J. Hewett is affiliated with 6 sites of care and 2 medical groups

Dr. Hewett's primary practice is Newport Coast Surgical and Pain Center, LLC in Newport Beach, California. Dr. Hewett is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Los Angeles Vascular Access Center. Dmand AI also links Dr. Hewett to 2 more physician offices, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Hewett

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John J. Hewett's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hewett practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Newport Coast Surgical and Pain Center, LLCAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John J. Hewett is one of 532 vascular surgeons in California

Vascular surgery is Dr. Hewett's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Hewett is licensed in California.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense C52896 · taxonomy 2086S0129X

Vascular surgeons near Dr. Hewett

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

532vascular surgeons in California
8vascular surgeons in Newport Beach

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

Dr. John J. Hewett billed Medicare for 6,115 services in 2024

CMS data shows 6,115 Medicare services from Dr. Hewett across 24 procedure codes in 2024, for 565 Medicare patients. Medicare paid $2,809,350 for them. Every service was in an office.

Medicare services, 20246,115
Medicare patients565
Paid by Medicare$2.8M
Procedure codes24

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

  • 2023
  • 2024
Other services
2023: 2,7472024: 3,02910%
Tests and treatments
2023: 2,3422024: 2,2016%
Office and hospital visits
2023: 7002024: 58117%
Surgery
2023: 1722024: 28968%
Imaging
2023: 02024: 15

Dr. Hewett compared with the California median for vascular surgeons, 2024

  • Dr. Hewett
  • California median
Medicare services
6,115vs 60910.0 times
Medicare patients
565vs 2722.1 times
Part D claims
351vs 556.4 times

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Hewett'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. Hewett

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

Dr. John J. Hewett treated 565 Medicare patients in 2024, average age 73

CMS counts 565 Medicare patients who saw Dr. Hewett in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 4.08, 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. Hewett's median patient age at 64, with 56% women.

Medicare patients, 2024565
Average age73
Average risk score4.08
Also on Medicaid50%

Dr. Hewett's Medicare patients by age, 2024

Dr. Hewett's Medicare patients by sex, 2024

  • Women27849%
  • Men28751%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes58%
  4. Arthritis55%
  5. Chronic kidney disease51%
  6. Ischemic heart disease41%
  7. Heart failure37%
  8. Stroke or TIA30%

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

Dr. Hewett's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. John J. Hewett wrote 400 Medicare Part D claims in 2024

In 2024, Dr. Hewett wrote 400 Medicare Part D claims for 128 patients. 32% of them were for generic drugs. CMS names the drug for 351 of them, across 7 drugs with 11 or more claims each, at $264,045 in total drug cost. In 2023, CMS named 128 claims across 1 drug.

Part D claims, 2024400
Drugs named by CMS7
Total drug cost$264,045
Part D patients128

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

  • Generic129 claims32%
  • Brand-name271 claims68%

Dr. Hewett'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1282024: 351174%

Drugs named by CMS: 7 in 2024, 1 in 2023.

See all prescribing by Dr. Hewett

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. John J. Hewett 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. Hewett for performance year 2024, reported individually. Dr. Hewett accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hewett as offering telehealth.

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

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

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. John J. Hewett received $77,888 in industry payments from 2016 to 2025

CMS Open Payments shows 389 general payments to Dr. Hewett from 31 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 34% of the total. Boston Scientific Corporation paid the most, $29,750.

General payments to Dr. Hewett by program year, 2016 to 2025

General payments to Dr. Hewett by kind, 2016 to 2025

$77.9Kin total
  • Device or supply loans$26,77134%
  • Food and beverage$20,03826%
  • Speaker and faculty fees$16,00021%
  • Travel and lodging$7,82810%
  • Consulting fees$7,2509%

Companies that paid Dr. Hewett the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hewett

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

Dr. John J. Hewett graduated from University of California, San Francisco School of Medicine

Dr. Hewett graduated from University of California, San Francisco School of Medicine in 1996.

  1. Medical schoolUniversity of California, San Francisco School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John J. Hewett'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
Training, board certification and membershipsDmand AI Professional Profile 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. John J. Hewett

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. John J. Hewett's NPI number?

Dr. John J. Hewett's NPI number is 1972543296. It was assigned on June 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John J. Hewett?

Dr. John J. Hewett is a vascular surgeon in Newport Beach, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. John J. Hewett practice?

Dr. Hewett practices at 4501 Birch St, Newport Beach, CA 92660. Dr. Hewett's primary practice is Newport Coast Surgical and Pain Center, LLC in Newport Beach, California. Dmand AI also links Dr. Hewett to 2 physician offices, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.

What is Dr. John J. Hewett's office phone number?

The practice phone on file for Dr. Hewett is (661) 472-4177.

What is Dr. John J. Hewett's medical license number?

Dr. Hewett holds California license C52896.

Which hospitals is Dr. John J. Hewett affiliated with?

Dr. Hewett is affiliated with Hoag Hospital Newport Beach.

What medical group is Dr. John J. Hewett part of?

Dr. Hewett is linked to Los Angeles Vascular Access Center. Dmand AI links Dr. Hewett to 1 more medical group.

Does Dr. John J. Hewett accept Medicare?

Yes. CMS data shows Dr. Hewett billed Medicare for 6,115 services in 2024, and Dr. Hewett accepts Medicare assignment.

Does Dr. John J. Hewett offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hewett as offering telehealth services.

What is Dr. John J. Hewett's MIPS score?

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

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. John J. Hewett see?

CMS counts 565 Medicare patients who saw Dr. Hewett in 2024, with an average age of 73.

What services does Dr. John J. Hewett bill to Medicare?

In 2024, Dr. Hewett's most billed Medicare services were medicare temporary code (Q4282), blood vessel study (93970) and blood vessel study (93925).

Where did Dr. John J. Hewett go to medical school?

Dr. Hewett graduated from University of California, San Francisco School of Medicine in 1996.

What drugs does Dr. John J. Hewett prescribe most?

In 2024 Medicare Part D data, Dr. Hewett's most prescribed drugs by claims were Xarelto, Repatha Sureclick and Eliquis.

Has Dr. John J. Hewett received payments from drug or device companies?

CMS Open Payments shows $77,888 in general payments to Dr. Hewett from 31 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. John J. Hewett been practicing?

Dr. Hewett graduated from medical school in 1996, 30 years ago.

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