Dr. Nathan Schmulewitz, MD

  • Loris, SC
  • Gastroenterologist
NPI1699733196PAC ID5799718052
Medicare services, 2024
940
Medicare patients, 2024
687
Part D claims, 2024
805
Hospital affiliations
2
Industry payments
$10,048
Practice address
3655 Mitchell Street, Loris, SC 29569
Practice phone
Call (843) 716-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

McLeod Health Loris

Hospital · Loris, South Carolina

See all 7 affiliations

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Dr. Nathan Schmulewitz is a gastroenterologist in Loris, South Carolina

Dr. Schmulewitz practices at McLeod Health Loris in Loris, South Carolina, part of McLeod Health.

Dr. Schmulewitz's NPI, 1699733196, was assigned on May 3, 2006. Dr. Schmulewitz graduated from Columbia University College of Physicians and Surgeons in 1996. Dr. Schmulewitz holds Ohio license 35-086711.

NPI and contact details
Medicare PAC ID
5799718052
NPI enumeration date
May 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(843) 716-7000
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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nathan Schmulewitz practices at McLeod Health Loris in Loris, South Carolina

Dr. Schmulewitz's primary practice is McLeod Health Loris, at 3655 Mitchell Street, Loris, SC 29569 in Horry County. The practice phone is (843) 716-7000.

  • McLeod Health Loris
    3655 Mitchell Street, Loris, SC 29569 · Horry CountyPhone(843) 716-7000

Source: Dmand AI Affiliation Data

Dr. Nathan Schmulewitz is affiliated with 4 sites of care and 3 medical groups

Dr. Schmulewitz's primary practice is McLeod Health Loris in Loris, South Carolina, part of McLeod Health. Dr. Schmulewitz is also affiliated with McLeod Regional Medical Center Florence. The medical group on file is McLeod Physician Associates. Dmand AI also links Dr. Schmulewitz to 2 more medical groups, 1 group practice or clinic and 1 hospice, each named with a free account.

See all 7 affiliations for Dr. Schmulewitz

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

Dmand AI tracks the EHR system at Dr. Nathan Schmulewitz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schmulewitz practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
McLeod Health LorisAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nathan Schmulewitz is one of 255 gastroenterologists in South Carolina

Gastroenterology is Dr. Schmulewitz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Schmulewitz is licensed in Ohio.

Specialties and state licenses

  • Gastroenterology, OhioPrimaryLicense 35-086711 · taxonomy 207RG0100X

Gastroenterologists near Dr. Schmulewitz

Counts of gastroenterologists 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. Nathan Schmulewitz billed Medicare for 940 services in 2024

CMS data shows 940 Medicare services from Dr. Schmulewitz across 16 procedure codes in 2024, for 687 Medicare patients. Medicare paid $91,115 for them.

Medicare services, 2024940
Medicare patients687
Paid by Medicare$91,115
Procedure codes16

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

  • 2023
  • 2024
Office and hospital visits
2023: 5782024: 5397%
Surgery
2023: 3162024: 3304%
Other services
2023: 852024: 7116%

Where Dr. Schmulewitz's Medicare services took place, 2024

  • In an office43046%
  • In a facility51054%

Dr. Schmulewitz compared with the South Carolina median for gastroenterologists, 2024

  • Dr. Schmulewitz
  • South Carolina median
Medicare services
940vs 74526% above
Medicare patients
687vs 44554% above
Part D claims
581vs 49717% above

Medians across 249 gastroenterologists in South Carolina with Dmand AI profiles that report each measure.

Dr. Schmulewitz'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. Schmulewitz

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

Dr. Nathan Schmulewitz treated 687 Medicare patients in 2024, average age 72

CMS counts 687 Medicare patients who saw Dr. Schmulewitz in 2024. The largest group is 65 to 74, with 382 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Schmulewitz's median patient age at 71, with 51% women.

Medicare patients, 2024687
Average age72
Average risk score1.37
Also on Medicaid7%

Dr. Schmulewitz's Medicare patients by age, 2024

Dr. Schmulewitz's Medicare patients by sex, 2024

  • Women35051%
  • Men33749%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Ischemic heart disease35%
  5. Anxiety31%
  6. Diabetes29%
  7. Mood disorders29%
  8. Depression26%

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

Dr. Schmulewitz's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women51%
  • Men48%

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

Dr. Nathan Schmulewitz wrote 805 Medicare Part D claims in 2024

In 2024, Dr. Schmulewitz wrote 805 Medicare Part D claims for 334 patients. 76% of them were for generic drugs. CMS names the drug for 581 of them, across 18 drugs with 11 or more claims each, at $644,508 in total drug cost. In 2023, CMS named 820 claims across 18 drugs.

Part D claims, 2024805
Drugs named by CMS18
Total drug cost$644,508
Part D patients334

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

  • Generic613 claims76%
  • Brand-name192 claims24%

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

  • Antibiotics3%25 of 805 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: 8202024: 58129%

Drugs named by CMS: 18 in 2024, 18 in 2023.

See all prescribing by Dr. Schmulewitz

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. Nathan Schmulewitz ranks in the 99th percentile for colonoscopy in Medicare

Dr. Schmulewitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 396 procedures of colonoscopy by Dr. Schmulewitz, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Schmulewitz ranks in Medicare procedure volume

Colonoscopy
99th percentile396 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
94th percentile269 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Nathan Schmulewitz received $10,048 in industry payments from 2016 to 2025

CMS Open Payments shows 110 general payments to Dr. Schmulewitz from 19 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Abbvie Inc. paid the most, $8,256.

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

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

$10Kin total
  • Speaker and faculty fees$7,50075%
  • Food and beverage$2,45124%
  • Travel and lodging$971%

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

Share is of all general payments to this clinician.

See all payments to Dr. Schmulewitz

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

Dr. Nathan Schmulewitz graduated from Columbia University College of Physicians and Surgeons

Dr. Schmulewitz graduated from Columbia University College of Physicians and Surgeons in 1996.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Nathan Schmulewitz'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)
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
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. Nathan Schmulewitz

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. Nathan Schmulewitz's NPI number?

Dr. Nathan Schmulewitz's NPI number is 1699733196. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nathan Schmulewitz?

Dr. Nathan Schmulewitz is a gastroenterologist in Loris, South Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Nathan Schmulewitz practice?

Dr. Schmulewitz practices at 3655 Mitchell Street, Loris, SC 29569. Dr. Schmulewitz's primary practice is McLeod Health Loris in Loris, South Carolina, part of McLeod Health. Dmand AI also links Dr. Schmulewitz to 2 medical groups, 1 group practice or clinic and 1 hospice.

What is Dr. Nathan Schmulewitz's office phone number?

The practice phone on file for Dr. Schmulewitz is (843) 716-7000.

What is Dr. Nathan Schmulewitz's medical license number?

Dr. Schmulewitz holds Ohio license 35-086711.

Which hospitals is Dr. Nathan Schmulewitz affiliated with?

Dr. Schmulewitz practices at McLeod Health Loris in Loris, South Carolina. Dr. Schmulewitz is also affiliated with McLeod Regional Medical Center Florence.

What medical group is Dr. Nathan Schmulewitz part of?

Dr. Schmulewitz is linked to McLeod Physician Associates. Dmand AI links Dr. Schmulewitz to 2 more medical groups.

Does Dr. Nathan Schmulewitz accept Medicare?

Yes. CMS data shows Dr. Schmulewitz billed Medicare for 940 services in 2024, and Dr. Schmulewitz accepts Medicare assignment.

How many Medicare patients does Dr. Nathan Schmulewitz see?

CMS counts 687 Medicare patients who saw Dr. Schmulewitz in 2024, with an average age of 72.

What services does Dr. Nathan Schmulewitz bill to Medicare?

In 2024, Dr. Schmulewitz's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and office visit, established patient (99213).

Show 4 more questionsShow fewer questions

Where did Dr. Nathan Schmulewitz go to medical school?

Dr. Schmulewitz graduated from Columbia University College of Physicians and Surgeons in 1996.

What drugs does Dr. Nathan Schmulewitz prescribe most?

In 2024 Medicare Part D data, Dr. Schmulewitz's most prescribed drugs by claims were Pantoprazole Sodium, Gavilyte-G and Dicyclomine HCl.

Has Dr. Nathan Schmulewitz received payments from drug or device companies?

CMS Open Payments shows $10,048 in general payments to Dr. Schmulewitz from 19 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Nathan Schmulewitz been practicing?

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

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