Dr. Alan Julius Sim, MD

  • Oceanside, NY
  • Anesthesiologist
NPI1427218817PAC ID2264610369
Medicare services, 2024
299
Medicare patients, 2024
465
Publications
8
Hospital affiliations
2
Industry payments
$620
Practice address
One Healthy Way, Oceanside, NY 11572
Practice phone
Call (516) 632-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mount Sinai South Nassau

Hospital · Oceanside, New York

See all 4 affiliations

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Dr. Alan Julius Sim is an anesthesiologist in Oceanside, New York

Dr. Sim practices at Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System.

Dr. Sim's NPI, 1427218817, was assigned on June 10, 2008. Dr. Sim graduated from Icahn School Of Medicine At Mount Sinai in 2007. Dr. Sim holds New York license 260904.

NPI and contact details
Medicare PAC ID
2264610369
NPI enumeration date
June 10, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 632-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Alan Julius Sim practices at 2 locations in Oceanside, New York

Dr. Sim's primary practice is Mount Sinai South Nassau, at One Healthy Way, Oceanside, NY 11572 in Nassau County. The practice phone is (516) 632-3000. Dr. Sim also practices at South Nassau Communities Hospital, 1 Healthy Way, Oceanside, NY 11572.

  • Mount Sinai South NassauPrimary
    One Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000
  • South Nassau Communities Hospital
    1 Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000

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

Dr. Alan Julius Sim is affiliated with 2 sites of care and 2 medical groups

Dr. Sim's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dr. Sim is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Doctors. Dmand AI also links Dr. Sim to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Sim

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

Dmand AI tracks the EHR system at Dr. Alan Julius Sim's practice

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

EHR by site
SiteEHR vendor and product
Mount Sinai South NassauAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alan Julius Sim is one of 3,858 anesthesiologists in New York

Anesthesiology is Dr. Sim's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sim is licensed in New York.

Specialties and state licenses

  • Anesthesiology, New YorkPrimaryLicense 260904 · taxonomy 207L00000X

Anesthesiologists near Dr. Sim

Counts of anesthesiologists 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. Alan Julius Sim billed Medicare for 299 services in 2024

CMS data shows 299 Medicare services from Dr. Sim across 9 procedure codes in 2024, for 465 Medicare patients. Medicare paid $30,218 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024299
Medicare patients465
Paid by Medicare$30,218
Procedure codes9

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

  • 2023
  • 2024
Anesthesia
2023: 1572024: 29990%

Dr. Sim compared with the New York median for anesthesiologists, 2024

  • Dr. Sim
  • New York median
Medicare services
299vs 763.9 times
Medicare patients
465vs 1323.5 times

Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.

Dr. Sim'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. Sim

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sim and other anesthesiologists in New York.

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

Dr. Alan Julius Sim treated 465 Medicare patients in 2024, average age 75

CMS counts 465 Medicare patients who saw Dr. Sim in 2024. The largest group is 65 to 74, with 185 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.81, 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. Sim's median patient age at 62, with 53% women.

Medicare patients, 2024465
Average age75
Average risk score1.81
Also on Medicaid22%

Dr. Sim's Medicare patients by age, 2024

Dr. Sim's Medicare patients by sex, 2024

  • Women22749%
  • Men23851%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Diabetes48%
  5. Ischemic heart disease45%
  6. Chronic kidney disease29%
  7. Anxiety28%
  8. Heart failure28%

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

Dr. Sim's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women53%
  • Men39%

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

How Dr. Alan Julius Sim takes part in Medicare

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

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Alan Julius Sim has 8 publications on record

Dmand AI links 8 papers to Dr. Sim, published from 2019 to 2022. 2020 was the busiest year, with 3. The most frequent topics are Pain, Postoperative, Cystectomy and Robotic Surgical Procedures. Dr. Sim has published most often in Urol Oncol. Dr. Sim's most frequent co-authors are John Peter Sfakianos, MD, Samuel Demaria, MD and Andrew B. Katims, MD, MPH.

Papers8
Years published2019 to 2022

Dr. Sim's papers by year, 2019 to 2022

Topics Dr. Sim writes about most

  • Pain, Postoperative
  • Cystectomy
  • Robotic Surgical Procedures
  • Urinary Bladder Neoplasms
  • Anesthesiology
  • Clinical Protocols
  • Data Collection
  • Feasibility Studies

Dr. Sim's most frequent co-authors

Recent publications by Dr. Sim

See all 8 publications and co-authors

See who Dr. Sim researches with

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

How network discovery works

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

Dr. Alan Julius Sim received $620 in industry payments from 2020 to 2025

CMS Open Payments shows 32 general payments to Dr. Sim from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $525.

General payments to Dr. Sim by program year, 2020 to 2025

Companies that paid Dr. Sim the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sim

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

Dr. Alan Julius Sim graduated from Icahn School Of Medicine At Mount Sinai

Dr. Sim graduated from Icahn School Of Medicine At Mount Sinai in 2007.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai

Source: Dmand AI Professional Profile Data

Sources for Dr. Alan Julius Sim'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 Affiliation DataDmand AI Practice 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)
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
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. Alan Julius Sim

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. Alan Julius Sim's NPI number?

Dr. Alan Julius Sim's NPI number is 1427218817. It was assigned on June 10, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Alan Julius Sim?

Dr. Alan Julius Sim is an anesthesiologist in Oceanside, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Alan Julius Sim practice?

Dr. Sim practices at One Healthy Way, Oceanside, NY 11572. Dr. Sim also practices at 1 Healthy Way, Oceanside, NY 11572. Dr. Sim's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Sim to 1 medical group.

What is Dr. Alan Julius Sim's office phone number?

The practice phone on file for Dr. Sim is (516) 632-3000.

What is Dr. Alan Julius Sim's medical license number?

Dr. Sim holds New York license 260904.

Which hospitals is Dr. Alan Julius Sim affiliated with?

Dr. Sim practices at Mount Sinai South Nassau in Oceanside, New York. Dr. Sim is also affiliated with The Mount Sinai Hospital.

What medical group is Dr. Alan Julius Sim part of?

Dr. Sim is linked to Mount Sinai Doctors. Dmand AI links Dr. Sim to 1 more medical group.

Does Dr. Alan Julius Sim accept Medicare?

Yes. CMS data shows Dr. Sim billed Medicare for 299 services in 2024, and Dr. Sim accepts Medicare assignment.

How many Medicare patients does Dr. Alan Julius Sim see?

CMS counts 465 Medicare patients who saw Dr. Sim in 2024, with an average age of 75.

What services does Dr. Alan Julius Sim bill to Medicare?

In 2024, Dr. Sim's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00813).

Show 5 more questionsShow fewer questions

Where did Dr. Alan Julius Sim go to medical school?

Dr. Sim graduated from Icahn School Of Medicine At Mount Sinai in 2007.

Has Dr. Alan Julius Sim received payments from drug or device companies?

CMS Open Payments shows $620 in general payments to Dr. Sim from 6 companies from 2020 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Alan Julius Sim been practicing?

Dr. Sim graduated from medical school in 2007, 19 years ago.

Does Dr. Alan Julius Sim do research?

Dmand AI links 8 publications to Dr. Sim, published from 2019 to 2022.

Who does Dr. Alan Julius Sim publish with?

Dr. Sim's most frequent co-authors are John Peter Sfakianos, MD (5 shared papers), Samuel Demaria, MD (3 shared papers) and Andrew B. Katims, MD, MPH (3 shared papers).

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