Dr. Nani Gelvezon, DO

  • Monterey Park, CA
  • General surgeon
NPI1134427594PAC ID3678898657
Medicare services, 2024
495
Medicare patients, 2024
89
Part D claims, 2024
16
Hospital affiliations
4
Industry payments
$8,730
Practice address
600 N Garfield Ave, Monterey Park, CA 91754
Practice phone
Call (786) 266-8707
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation

Monterey Park, California

See all 7 affiliations

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Dr. Nani Gelvezon is a general surgeon in Monterey Park, California

Dr. Gelvezon practices at Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation in Monterey Park, California.

Dr. Gelvezon's NPI, 1134427594, was assigned on March 9, 2011. Dr. Gelvezon graduated from Kirksville College of Osteopathic Medicine in 2008. Dr. Gelvezon holds California license 20A11327.

NPI and contact details
Medicare PAC ID
3678898657
NPI enumeration date
March 9, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(786) 266-8707
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

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

Dr. Nani Gelvezon practices at Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation in Monterey Park, California

Dr. Gelvezon's primary practice is Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation, at 600 N Garfield Ave, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (786) 266-8707.

  • Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation
    600 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(786) 266-8707

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

Dr. Nani Gelvezon is affiliated with 6 sites of care and 1 medical group

Dr. Gelvezon's primary practice is Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation in Monterey Park, California. Dr. Gelvezon is also affiliated with Adventist Health White Memorial. The medical group on file is Minimally Invasive Surgical Services. Dmand AI also links Dr. Gelvezon to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Gelvezon

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

Dmand AI tracks the EHR system at Dr. Nani Gelvezon's practice

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

EHR by site
SiteEHR vendor and product
Minimally Invasive Surgical Services, Inc., an Osteopathic CorporationAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nani Gelvezon is one of 2,926 general surgeons in California

Surgery is Dr. Gelvezon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gelvezon is board certified in surgery by the AOA Board of Surgery. Dmand AI has Dr. Gelvezon's licenses on file in 3 states: California, Illinois and Arizona.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense 20A11327 · 2010 to 2026 · taxonomy 208600000X
  • Illinois licenseLicense 036136051 · 2014 to 2020
  • Arizona license2008 to 2009

Clinical focus

Dmand AI lists colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Gelvezon treats.

General surgeons near Dr. Gelvezon

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

2,926general surgeons in California
9general surgeons in Monterey Park

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

Dr. Nani Gelvezon billed Medicare for 495 services in 2024

CMS data shows 495 Medicare services from Dr. Gelvezon across 2 procedure codes in 2024, for 89 Medicare patients. Medicare paid $52,464 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024495
Medicare patients89
Paid by Medicare$52,464
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 4242024: 49517%

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

  • Dr. Gelvezon
  • California median
Medicare services
495vs 1663.0 times
Medicare patients
89vs 12126% below
Part D claims
12vs 3465% below

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

Dr. Gelvezon'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. Gelvezon

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

Dr. Nani Gelvezon treated 89 Medicare patients in 2024, average age 73

CMS counts 89 Medicare patients who saw Dr. Gelvezon in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 3.79, 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. Gelvezon's median patient age at 54, with 58% women.

Medicare patients, 202489
Average age73
Average risk score3.79

Dr. Gelvezon's Medicare patients by age, 2024

Dr. Gelvezon's Medicare patients by sex, 2024

  • Women4247%
  • Men4753%

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

  1. High blood pressure75%
  2. High cholesterol71%
  3. Diabetes65%
  4. Chronic kidney disease56%
  5. Ischemic heart disease48%
  6. Heart failure47%
  7. Arthritis46%
  8. Alzheimer's and dementia43%

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

Dr. Gelvezon's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

Dr. Nani Gelvezon wrote 16 Medicare Part D claims in 2024

In 2024, Dr. Gelvezon wrote 16 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost. In 2017, CMS named 13 claims across 1 drug.

Part D claims, 202416
Drugs named by CMS1
Total drug cost$62

Dr. Gelvezon's most prescribed drugs by claims, 2022

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, 2017 to 2022

  • 2017
  • 2022
Claims for drugs CMS names
2017: 132022: 128%

Drugs named by CMS: 1 in 2022, 1 in 2017.

See all prescribing by Dr. Gelvezon

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

How Dr. Nani Gelvezon takes part in Medicare

Dr. Gelvezon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Nani Gelvezon received $8,730 in industry payments from 2016 to 2025

CMS Open Payments shows 57 general payments to Dr. Gelvezon from 11 drug and device companies from 2016 to 2025. Education make up the largest share, 46% of the total. Intuitive Surgical, Inc. paid the most, $7,880. It also lists 1 research payment totaling $996 in 2016.

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

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

$8.7Kin total
  • Education$4,00046%
  • Travel and lodging$2,86433%
  • Food and beverage$1,76620%
  • Consulting fees$1001%

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

Share is of all general payments to this clinician.

See all payments to Dr. Gelvezon

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

Dr. Nani Gelvezon graduated from Kirksville College of Osteopathic Medicine

Dr. Gelvezon graduated from Kirksville College of Osteopathic Medicine in 2008. Dr. Gelvezon is a member of AOA.

  1. Medical schoolKirksville College of Osteopathic Medicine
  2. Board certified in surgeryAOA Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Nani Gelvezon accepts plans from 9 insurance carriers

Dr. Gelvezon is in network with 9 carriers, including Aetna, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Humana
  • +1 more carriersWith a free account

Plan types Dr. Gelvezon accepts, by number of carriers

  1. Medicare8
  2. PPO5
  3. HMO3
  4. EPO1
  5. Medicaid1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nani Gelvezon'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 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)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
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. Nani Gelvezon

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. Nani Gelvezon's NPI number?

Dr. Nani Gelvezon's NPI number is 1134427594. It was assigned on March 9, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Nani Gelvezon?

Dr. Nani Gelvezon is a general surgeon in Monterey Park, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Nani Gelvezon practice?

Dr. Gelvezon practices at 600 N Garfield Ave, Monterey Park, CA 91754. Dr. Gelvezon's primary practice is Minimally Invasive Surgical Services, Inc., an Osteopathic Corporation in Monterey Park, California. Dmand AI also links Dr. Gelvezon to 3 hospitals and 1 group practice or clinic.

What is Dr. Nani Gelvezon's office phone number?

The practice phone on file for Dr. Gelvezon is (786) 266-8707.

What is Dr. Nani Gelvezon's medical license number?

Dr. Gelvezon holds California license 20A11327, one of the licenses on file in 3 states.

Which states has Dr. Nani Gelvezon been licensed in?

Dmand AI has state licenses on file for Dr. Gelvezon in California (2010 to 2026), Illinois (2014 to 2020) and Arizona (2008 to 2009).

Which hospitals is Dr. Nani Gelvezon affiliated with?

Dr. Gelvezon is affiliated with Adventist Health White Memorial. Dmand AI links Dr. Gelvezon to 3 more hospitals.

What medical group is Dr. Nani Gelvezon part of?

Dr. Gelvezon is linked to Minimally Invasive Surgical Services.

Does Dr. Nani Gelvezon accept Medicare?

Yes. CMS data shows Dr. Gelvezon billed Medicare for 495 services in 2024, and Dr. Gelvezon accepts Medicare assignment.

How many Medicare patients does Dr. Nani Gelvezon see?

CMS counts 89 Medicare patients who saw Dr. Gelvezon in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. Nani Gelvezon board certified?

Yes. Dr. Gelvezon is board certified in surgery by the AOA Board of Surgery.

What services does Dr. Nani Gelvezon bill to Medicare?

In 2024, Dr. Gelvezon's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).

Where did Dr. Nani Gelvezon go to medical school?

Dr. Gelvezon graduated from Kirksville College of Osteopathic Medicine in 2008.

What drugs does Dr. Nani Gelvezon prescribe most?

In 2022 Medicare Part D data, Dr. Gelvezon's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Nani Gelvezon received payments from drug or device companies?

CMS Open Payments shows $8,730 in general payments to Dr. Gelvezon from 11 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Nani Gelvezon been practicing?

Dr. Gelvezon graduated from medical school in 2008, 18 years ago.

What insurance does Dr. Nani Gelvezon accept?

Dr. Gelvezon is in network with 9 carriers, including Aetna, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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