Dr. Nathaniel M. Matolo, MD

  • French Camp, CA
  • General surgeon
NPI1134153539PAC ID8921020918
Medicare services, 2024
28
Medicare patients, 2024
49
Publications
61
MIPS score, 2024
82
Hospital affiliations
1
Practice address
500 W Hospital Road, French Camp, CA 95231
Practice phone
Call (209) 468-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

San Joaquin General Hospital

Hospital · French Camp, California

See all 4 affiliations

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Dr. Nathaniel M. Matolo is a general surgeon in French Camp, California

Dr. Matolo practices at San Joaquin General Hospital in French Camp, California, part of County of San Joaquin.

Dr. Matolo's NPI, 1134153539, was assigned on July 10, 2006. Dr. Matolo graduated from Spencer Fox Eccles School of Medicine in 1968. Dr. Matolo holds California license C034865.

NPI and contact details
Medicare PAC ID
8921020918
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 468-6000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
84
Medical school graduation
1968

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

Dr. Nathaniel M. Matolo practices at San Joaquin General Hospital in French Camp, California

Dr. Matolo's primary practice is San Joaquin General Hospital, at 500 W Hospital Road, French Camp, CA 95231 in San Joaquin County. The practice phone is (209) 468-6000.

Source: Dmand AI Affiliation Data

Dr. Nathaniel M. Matolo is affiliated with 2 sites of care and 2 medical groups

Dr. Matolo's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. The medical group on file is San Joaquin County Behavioral Health Services. Dmand AI also links Dr. Matolo to 1 more community health center and 1 medical group, each named with a free account. Dr. Matolo's employer is on file too: a hospital.

See all 4 affiliations for Dr. Matolo

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

Dmand AI tracks the EHR system at Dr. Nathaniel M. Matolo's practice

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

EHR by site
SiteEHR vendor and product
San Joaquin General HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Matolo practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Joaquin and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nathaniel M. Matolo is one of 2,926 general surgeons in California

Surgery is Dr. Matolo's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Matolo's licenses on file in 2 states: California and Utah.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense C034865 · 1973 to 2027 · taxonomy 208600000X
  • Utah license

Clinical focus

Dmand AI lists abdominal hernia repair surgery, cancerous skin growth removal, gallbladder removal, gastrointestinal obstruction and mastectomy among the conditions Dr. Matolo treats.

General surgeons near Dr. Matolo

Counts of general surgeons 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. Nathaniel M. Matolo billed Medicare for 28 services in 2024

CMS data shows 28 Medicare services from Dr. Matolo across 2 procedure codes in 2024, all of them office visits, for 49 Medicare patients. Medicare paid $1,695 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202428
Medicare patients49
Paid by Medicare$1,695
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 202024: 2840%

Dr. Matolo compared with the California median for general surgeons, 2024

  • Dr. Matolo
  • California median
Medicare services
28vs 16683% below
Medicare patients
49vs 12160% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Matolo'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. Matolo

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

Dr. Nathaniel M. Matolo treated 49 Medicare patients in 2024, average age 70

CMS counts 49 Medicare patients who saw Dr. Matolo in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 57% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.03, 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. Matolo's median patient age at 61, with 79% women.

Medicare patients, 202449
Average age70
Average risk score2.03
Also on Medicaid76%

Dr. Matolo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Matolo's Medicare patients by sex, 2024

  • Women3265%
  • Men1735%

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

  1. High blood pressure75%
  2. High cholesterol57%
  3. Diabetes49%
  4. Arthritis37%
  5. Chronic kidney disease35%
  6. Cancer33%
  7. Atrial fibrillation22%
  8. Mood disorders22%

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

Dr. Matolo's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women79%
  • Men21%

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

Dr. Nathaniel M. Matolo scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Matolo for performance year 2024, reported as part of a group. Dr. Matolo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Matolo's MIPS scores, performance year 2024

  • 82of 100Final score
  • 71.6of 100Quality
  • 40of 100Improvement Activities
  • 58of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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

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Dr. Nathaniel M. Matolo has 61 publications on record

Dmand AI links 61 papers to Dr. Matolo, published from 2017 to 2022. 2021 was the busiest year, with 3. The most frequent topics are Radionuclide Imaging, Technetium and Postoperative Complications. Dr. Matolo has published most often in Am J Surg. Dr. Matolo's most frequent co-authors are Frederick D. Cason, MD, Asad Ullah, MD and Sydney E. Garfinkle, MD.

Papers61
Years published2017 to 2022

Dr. Matolo's papers by year, 2017 to 2022

Topics Dr. Matolo writes about most

  • Radionuclide Imaging
  • Technetium
  • Postoperative Complications
  • Cholecystitis
  • Cholelithiasis
  • Abdominal Injuries
  • Dogs
  • Jaundice

Dr. Matolo's most frequent co-authors

Recent publications by Dr. Matolo

See all 61 publications and co-authors

See who Dr. Matolo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Matolo works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nathaniel M. Matolo received $72 in industry payments from 2018 to 2023

CMS Open Payments shows 5 general payments to Dr. Matolo from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $56.

General payments to Dr. Matolo by program year, 2018 to 2023

Companies that paid Dr. Matolo the most, 2018 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Matolo

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

Dr. Nathaniel M. Matolo graduated from Spencer Fox Eccles School of Medicine

Dr. Matolo graduated from Spencer Fox Eccles School of Medicine in 1968.

  1. Medical schoolSpencer Fox Eccles School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Nathaniel M. Matolo accepts plans from 8 insurance carriers

Dr. Matolo is in network with 8 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Humana
  • Molina

Plan types Dr. Matolo accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nathaniel M. Matolo'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)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Nathaniel M. Matolo

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. Nathaniel M. Matolo's NPI number?

Dr. Nathaniel M. Matolo's NPI number is 1134153539. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nathaniel M. Matolo?

Dr. Nathaniel M. Matolo is a general surgeon in French Camp, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Nathaniel M. Matolo practice?

Dr. Matolo practices at 500 W Hospital Road, French Camp, CA 95231. Dr. Matolo's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dmand AI also links Dr. Matolo to 1 community health center and 1 medical group.

What is Dr. Nathaniel M. Matolo's office phone number?

The practice phone on file for Dr. Matolo is (209) 468-6000.

What is Dr. Nathaniel M. Matolo's medical license number?

Dr. Matolo holds California license C034865, one of the licenses on file in 2 states.

Which states has Dr. Nathaniel M. Matolo been licensed in?

Dmand AI has state licenses on file for Dr. Matolo in California (1973 to 2027) and Utah.

Which hospitals is Dr. Nathaniel M. Matolo affiliated with?

Dr. Matolo practices at San Joaquin General Hospital in French Camp, California.

What medical group is Dr. Nathaniel M. Matolo part of?

Dr. Matolo is linked to San Joaquin County Behavioral Health Services. Dmand AI links Dr. Matolo to 1 more medical group.

Does Dr. Nathaniel M. Matolo accept Medicare?

Yes. CMS data shows Dr. Matolo billed Medicare for 28 services in 2024, and Dr. Matolo accepts Medicare assignment.

What is Dr. Nathaniel M. Matolo's MIPS score?

Dr. Matolo's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Nathaniel M. Matolo see?

CMS counts 49 Medicare patients who saw Dr. Matolo in 2024, with an average age of 70.

What services does Dr. Nathaniel M. Matolo bill to Medicare?

In 2024, Dr. Matolo's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99204).

Where did Dr. Nathaniel M. Matolo go to medical school?

Dr. Matolo graduated from Spencer Fox Eccles School of Medicine in 1968.

Has Dr. Nathaniel M. Matolo received payments from drug or device companies?

CMS Open Payments shows $72 in general payments to Dr. Matolo from 2 companies from 2018 to 2023. The largest total came from Smith & Nephew, Inc.

How long has Dr. Nathaniel M. Matolo been practicing?

Dr. Matolo graduated from medical school in 1968, 58 years ago.

Does Dr. Nathaniel M. Matolo do research?

Dmand AI links 61 publications to Dr. Matolo, published from 2017 to 2022.

Who does Dr. Nathaniel M. Matolo publish with?

Dr. Matolo's most frequent co-authors are Frederick D. Cason, MD (4 shared papers), Asad Ullah, MD (3 shared papers) and Sydney E. Garfinkle, MD (2 shared papers).

What insurance does Dr. Nathaniel M. Matolo accept?

Dr. Matolo is in network with 8 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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