Dr. Sergio W. Larach, MD

  • Orlando, FL
  • Colorectal surgeon
NPI1790744878
Medicare services, 2024
70
Medicare patients, 2024
46
Part D claims, 2024
96
Publications
59
Clinical trials
1
Practice address
100 N Dean Rd, Orlando, FL 32825
Practice phone
Call (407) 963-0811
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greater Orlando Outpatient Center

Orlando, Florida

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Dr. Sergio W. Larach is a colorectal surgeon in Orlando, Florida

Dr. Larach practices at Greater Orlando Outpatient Center in Orlando, Florida.

Dr. Larach's NPI, 1790744878, was assigned on March 19, 2006. Dr. Larach graduated from University of Chile in 1968. Dr. Larach holds Florida license ME25149.

NPI and contact details
NPI enumeration date
March 19, 2006
NPI status
Active
Practice phone
(407) 963-0811
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
84
Medical school graduation
1968

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

Dr. Sergio W. Larach practices at Greater Orlando Outpatient Center in Orlando, Florida

Dr. Larach's primary practice is Greater Orlando Outpatient Center, at 100 N Dean Rd, Orlando, FL 32825 in Orange County. The practice phone is (407) 963-0811.

  • Greater Orlando Outpatient Center
    100 N Dean Rd, Orlando, FL 32825 · Orange CountyPhone(407) 963-0811

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

Dr. Sergio W. Larach is affiliated with 2 sites of care and 1 medical group

Dr. Larach's primary practice is Greater Orlando Outpatient Center in Orlando, Florida. The medical group on file is Digestive and Liver Center of Florida. Dmand AI also links Dr. Larach to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Larach

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

Dmand AI tracks the EHR system at Dr. Sergio W. Larach's practice

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

EHR by site
SiteEHR vendor and product
Greater Orlando Outpatient CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sergio W. Larach is one of 151 colorectal surgeons in Florida

Colon and rectal surgery is Dr. Larach's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Larach is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Larach's licenses on file in 3 states: Florida, Georgia and Texas.

Specialties and state licenses

  • Colon and rectal surgery, FloridaPrimaryLicense ME25149 · 1975 to 2027 · taxonomy 208C00000X
  • Georgia license1976 to 2009
  • Texas license1977 to 2006

Clinical focus

Dmand AI lists colonoscopy and hemorrhoids among the conditions Dr. Larach treats.

Colorectal surgeons near Dr. Larach

Counts of colorectal 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. Sergio W. Larach billed Medicare for 70 services in 2024

CMS data shows 70 Medicare services from Dr. Larach across 4 procedure codes in 2024, for 46 Medicare patients. Medicare paid $12,883 for them. Every service was in an office.

Medicare services, 202470
Medicare patients46
Paid by Medicare$12,883
Procedure codes4

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

  • 2023
  • 2024
Tests and treatments
2023: 322024: 3613%
Office and hospital visits
2023: 02024: 18
Surgery
2023: 222024: 1627%

Dr. Larach compared with the Florida median for colorectal surgeons, 2024

  • Dr. Larach
  • Florida median
Medicare services
70vs 22569% below
Medicare patients
46vs 13666% below
Part D claims
56vs 7424% below

Medians across 143 colorectal surgeons in Florida with Dmand AI profiles that report each measure.

Dr. Larach'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. Larach

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Larach and other colorectal surgeons in Florida.

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

Dr. Sergio W. Larach treated 46 Medicare patients in 2024, average age 72

CMS counts 46 Medicare patients who saw Dr. Larach in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Larach's median patient age at 51, with 63% women.

Medicare patients, 202446
Average age72
Average risk score1.39
Also on Medicaid24%

Dr. Larach's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Larach's Medicare patients by sex, 2024

  • Women2963%
  • Men1737%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis39%
  4. Chronic kidney disease37%
  5. Anxiety33%
  6. Ischemic heart disease33%
  7. Asthma30%
  8. Diabetes28%

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

Dr. Larach's patients across all payers

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

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Dr. Sergio W. Larach wrote 96 Medicare Part D claims in 2024

In 2024, Dr. Larach wrote 96 Medicare Part D claims for 48 patients. 88% of them were for generic drugs. CMS names the drug for 56 of them, across 3 drugs with 11 or more claims each, at $719 in total drug cost. In 2023, CMS named 15 claims across 1 drug.

Part D claims, 202496
Drugs named by CMS3
Total drug cost$719
Part D patients48

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

  • Generic84 claims88%
  • Brand-name12 claims13%

Dr. Larach'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. Larach's Part D claims, 2024

  • Opioids15%14 of 96 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: 152024: 56273%

Drugs named by CMS: 3 in 2024, 1 in 2023.

See all prescribing by Dr. Larach

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

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Dr. Sergio W. Larach has 59 publications on record

Dmand AI links 59 papers to Dr. Larach, published from 2006 to 2024. 2013 was the busiest year, with 4. The most frequent topics are Rectal Neoplasms, Rectum and Anal Canal. Dr. Larach has published most often in Tech Coloproctol. Dr. Larach's most frequent co-authors are Paul Richard Williamson, MD, Matthew Ross Albert, MD and Andrea Ferrara, MD.

Papers59
Years published2006 to 2024

Dr. Larach's papers by year, 2011 to 2024

Topics Dr. Larach writes about most

  • Rectal Neoplasms
  • Rectum
  • Anal Canal
  • Laparoscopy
  • Transanal Endoscopic Surgery
  • Colectomy
  • Robotic Surgical Procedures
  • Postoperative Complications

Dr. Larach's most frequent co-authors

Recent publications by Dr. Larach

See all 59 publications and co-authors

See who Dr. Larach researches with

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

How network discovery works

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

Dr. Sergio W. Larach has worked on 1 clinical trial

Dmand AI links Dr. Larach to 1 clinical trial.

Investigators on the most trials with Dr. Larach

Recent clinical trials with Dr. Larach

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Sergio W. Larach received $5,774 in industry payments from 2016 to 2025

CMS Open Payments shows 88 general payments to Dr. Larach from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Intuitive Surgical, Inc. paid the most, $690.

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

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

$5.8Kin total
  • Food and beverage$5,69999%
  • Education$751%

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

Share is of all general payments to this clinician.

See all payments to Dr. Larach

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

Dr. Sergio W. Larach has 1 award and honors on record

Dmand AI lists 1 award for Dr. Larach.

Awards and honors for Dr. Larach

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Sergio W. Larach graduated from University of Chile

Dr. Larach graduated from University of Chile in 1968. Dr. Larach is a member of ACS and SLS.

  1. Medical schoolUniversity of Chile
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery

Source: Dmand AI Professional Profile Data

Dr. Sergio W. Larach accepts plans from 17 insurance carriers

Dr. Larach is in network with 17 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Larach accepts, by number of carriers

  1. HMO12
  2. PPO10
  3. Medicare9
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sergio W. Larach'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Sergio W. Larach

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. Sergio W. Larach's NPI number?

Dr. Sergio W. Larach's NPI number is 1790744878. It was assigned on March 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Sergio W. Larach?

Dr. Sergio W. Larach is a colorectal surgeon in Orlando, Florida. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Sergio W. Larach practice?

Dr. Larach practices at 100 N Dean Rd, Orlando, FL 32825. Dr. Larach's primary practice is Greater Orlando Outpatient Center in Orlando, Florida. Dmand AI also links Dr. Larach to 1 group practice or clinic.

What is Dr. Sergio W. Larach's office phone number?

The practice phone on file for Dr. Larach is (407) 963-0811.

What is Dr. Sergio W. Larach's medical license number?

Dr. Larach holds Florida license ME25149, one of the licenses on file in 3 states.

Which states has Dr. Sergio W. Larach been licensed in?

Dmand AI has state licenses on file for Dr. Larach in Florida (1975 to 2027), Georgia (1976 to 2009) and Texas (1977 to 2006).

What medical group is Dr. Sergio W. Larach part of?

Dr. Larach is linked to Digestive and Liver Center of Florida.

Does Dr. Sergio W. Larach accept Medicare?

Yes. CMS data shows Dr. Larach billed Medicare for 70 services in 2024.

How many Medicare patients does Dr. Sergio W. Larach see?

CMS counts 46 Medicare patients who saw Dr. Larach in 2024, with an average age of 72.

Is Dr. Sergio W. Larach board certified?

Yes. Dr. Larach is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

Show 8 more questionsShow fewer questions

What services does Dr. Sergio W. Larach bill to Medicare?

In 2024, Dr. Larach's most billed Medicare services were digestive system test (91120), digestive system test (91122) and office visit, established patient (99213).

Where did Dr. Sergio W. Larach go to medical school?

Dr. Larach graduated from University of Chile in 1968.

What drugs does Dr. Sergio W. Larach prescribe most?

In 2024 Medicare Part D data, Dr. Larach's most prescribed drugs by claims were Ibuprofen, Hydrocortisone and Ketorolac Tromethamine.

Has Dr. Sergio W. Larach received payments from drug or device companies?

CMS Open Payments shows $5,774 in general payments to Dr. Larach from 29 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Sergio W. Larach been practicing?

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

Does Dr. Sergio W. Larach do research?

Dmand AI links 59 publications to Dr. Larach, published from 2006 to 2024. Dr. Larach has worked on 1 clinical trial.

Who does Dr. Sergio W. Larach publish with?

Dr. Larach's most frequent co-authors are Paul Richard Williamson, MD (10 shared papers), Matthew Ross Albert, MD (7 shared papers) and Andrea Ferrara, MD (4 shared papers).

What insurance does Dr. Sergio W. Larach accept?

Dr. Larach is in network with 17 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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