Dr. Emmy Ludwig, MD

  • New York, NY
  • Gastroenterologist
NPI1386750842PAC ID4385649060
Medicare services, 2024
421
Medicare patients, 2024
357
Part D claims, 2024
276
Publications
32
MIPS score, 2024
79
Practice address
1275 York Avenue, New York, NY 10065
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Sloan Kettering Cancer Center

Hospital · New York, New York

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Dr. Emmy Ludwig is a gastroenterologist in New York, New York

Dr. Ludwig practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

Dr. Ludwig's NPI, 1386750842, was assigned on August 21, 2006. Dr. Ludwig graduated from Vagelos College of Physicians and Surgeons in 2000. Dr. Ludwig holds New York license 221795.

NPI and contact details
Medicare PAC ID
4385649060
NPI enumeration date
August 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
52
Medical school graduation
2000

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

Dr. Emmy Ludwig practices at Memorial Sloan Kettering Cancer Center in New York, New York

Dr. Ludwig's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.

Source: Dmand AI Affiliation Data

Dr. Emmy Ludwig is affiliated with 2 sites of care and 1 medical group

Dr. Ludwig's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Ludwig to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Ludwig

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

Dmand AI tracks the EHR system at Dr. Emmy Ludwig's practice

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

EHR by site
SiteEHR vendor and product
Memorial Sloan Kettering Cancer CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Emmy Ludwig is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ludwig is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Ludwig's licenses on file in 3 states: New York, Florida and New Jersey.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 221795 · 2001 to 2026 · taxonomy 207RG0100X
  • Florida licenseSince 2023
  • New Jersey license2017 to 2025

Clinical focus

Dmand AI lists acid reflux, colonoscopy, esophagus, stomach, or upper small intestine surgery, fatty liver, gastrointestinal bleeding, hemorrhoids, intestinal diverticulosis and irritable bowel syndrome (IBS) among the conditions Dr. Ludwig treats.

Gastroenterologists near Dr. Ludwig

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. Emmy Ludwig billed Medicare for 421 services in 2024

CMS data shows 421 Medicare services from Dr. Ludwig across 11 procedure codes in 2024, for 357 Medicare patients. Medicare paid $49,914 for them.

Medicare services, 2024421
Medicare patients357
Paid by Medicare$49,914
Procedure codes11

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

  • 2023
  • 2024
Surgery
2023: 1862024: 25034%
Office and hospital visits
2023: 872024: 15578%
Other services
2023: 02024: 16

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

  • In an office27064%
  • In a facility15136%

Dr. Ludwig compared with the New York median for gastroenterologists, 2024

  • Dr. Ludwig
  • New York median
Medicare services
421vs 421Close to median
Medicare patients
357vs 23651% above
Part D claims
188vs 38251% below

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Ludwig'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. Ludwig

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

Dr. Emmy Ludwig treated 357 Medicare patients in 2024, average age 73

CMS counts 357 Medicare patients who saw Dr. Ludwig in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 13% are also on Medicaid. Their average risk score is 2.26, 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. Ludwig's median patient age at 70, with 59% women.

Medicare patients, 2024357
Average age73
Average risk score2.26
Also on Medicaid13%

Dr. Ludwig's Medicare patients by age, 2024

Dr. Ludwig's Medicare patients by sex, 2024

  • Women20858%
  • Men14942%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Cancer57%
  4. Arthritis52%
  5. Anxiety38%
  6. Mood disorders38%
  7. Ischemic heart disease35%
  8. Depression32%

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

Dr. Ludwig's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women59%
  • Men39%

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

Dr. Emmy Ludwig wrote 276 Medicare Part D claims in 2024

In 2024, Dr. Ludwig wrote 276 Medicare Part D claims for 100 patients. 82% of them were for generic drugs. CMS names the drug for 188 of them, across 5 drugs with 11 or more claims each, at $9,279 in total drug cost. In 2023, CMS named 209 claims across 6 drugs.

Part D claims, 2024276
Drugs named by CMS5
Total drug cost$9,279
Part D patients100

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

  • Generic227 claims82%
  • Brand-name49 claims18%

Dr. Ludwig'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2092024: 18810%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. Ludwig

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. Emmy Ludwig scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Ludwig for performance year 2024, reported as part of a group. Dr. Ludwig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ludwig as offering telehealth. CMS counts 145 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ludwig, more than 84% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ludwig's MIPS scores, performance year 2024

  • 79of 100Final score
  • 65.9of 100Quality
  • 40of 100Improvement Activities
  • 77of 100Cost

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

Where Dr. Ludwig ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
84th percentile145 procedures
Colonoscopy
83rd percentile114 procedures

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

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

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Dr. Emmy Ludwig has 32 publications on record

Dmand AI links 32 papers to Dr. Ludwig, published from 2011 to 2024. 2017 was the busiest year, with 4. The most frequent topics are Pancreatic Neoplasms, Adenocarcinoma and Endoscopy, Gastrointestinal. Dr. Ludwig has published most often in Ann Thorac Surg. Dr. Ludwig's most frequent co-authors are Hans Gerdes, MD, Arnold J. Markowitz, MD and Mark A. Schattner, MD.

Papers32
Years published2011 to 2024

Dr. Ludwig's papers by year, 2012 to 2024

Topics Dr. Ludwig writes about most

  • Pancreatic Neoplasms
  • Adenocarcinoma
  • Endoscopy, Gastrointestinal
  • Colonoscopy
  • Esophageal Neoplasms
  • Smoking
  • Stomach Neoplasms
  • Anastomotic Leak

Dr. Ludwig's most frequent co-authors

Recent publications by Dr. Ludwig

See all 32 publications and co-authors

See who Dr. Ludwig researches with

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

How network discovery works

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

Dr. Emmy Ludwig received $20 in industry payments in 2020

CMS Open Payments shows 1 general payment to Dr. Ludwig from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $20.

Companies that paid Dr. Ludwig the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Ludwig

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

Dr. Emmy Ludwig graduated from Vagelos College of Physicians and Surgeons

Dr. Ludwig graduated from Vagelos College of Physicians and Surgeons in 2000.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Emmy Ludwig accepts plans from 11 insurance carriers

Dr. Ludwig is in network with 11 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • MVP Health Care
  • Aspirus Health Plan
  • +3 more carriersWith a free account

Plan types Dr. Ludwig accepts, by number of carriers

  1. PPO7
  2. Medicare6
  3. POS5
  4. EPO4
  5. HMO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Emmy Ludwig'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Emmy Ludwig

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. Emmy Ludwig's NPI number?

Dr. Emmy Ludwig's NPI number is 1386750842. It was assigned on August 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Emmy Ludwig?

Dr. Emmy Ludwig is a gastroenterologist in New York, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Emmy Ludwig practice?

Dr. Ludwig practices at 1275 York Avenue, New York, NY 10065. Dr. Ludwig's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Ludwig to 1 group practice or clinic.

What is Dr. Emmy Ludwig's medical license number?

Dr. Ludwig holds New York license 221795, one of the licenses on file in 3 states.

Which states has Dr. Emmy Ludwig been licensed in?

Dmand AI has state licenses on file for Dr. Ludwig in New York (2001 to 2026), Florida (since 2023) and New Jersey (2017 to 2025).

Which hospitals is Dr. Emmy Ludwig affiliated with?

Dr. Ludwig practices at Memorial Sloan Kettering Cancer Center in New York, New York.

What medical group is Dr. Emmy Ludwig part of?

Dr. Ludwig is linked to Memorial Sloan Kettering Cancer Center.

Does Dr. Emmy Ludwig accept Medicare?

Yes. CMS data shows Dr. Ludwig billed Medicare for 421 services in 2024, and Dr. Ludwig accepts Medicare assignment.

Does Dr. Emmy Ludwig offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ludwig as offering telehealth services.

What is Dr. Emmy Ludwig's MIPS score?

Dr. Ludwig's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Emmy Ludwig see?

CMS counts 357 Medicare patients who saw Dr. Ludwig in 2024, with an average age of 73.

Is Dr. Emmy Ludwig board certified?

Yes. Dr. Ludwig is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Emmy Ludwig bill to Medicare?

In 2024, Dr. Ludwig's most billed Medicare services were surgery: digestive system (43239), office visit, established patient (99213) and surgery: digestive system (45380).

Where did Dr. Emmy Ludwig go to medical school?

Dr. Ludwig graduated from Vagelos College of Physicians and Surgeons in 2000.

What drugs does Dr. Emmy Ludwig prescribe most?

In 2024 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Omeprazole.

Has Dr. Emmy Ludwig received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Dr. Ludwig from 1 company from 2020 to 2020. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Dr. Emmy Ludwig been practicing?

Dr. Ludwig graduated from medical school in 2000, 26 years ago.

Does Dr. Emmy Ludwig do research?

Dmand AI links 32 publications to Dr. Ludwig, published from 2011 to 2024.

Who does Dr. Emmy Ludwig publish with?

Dr. Ludwig's most frequent co-authors are Hans Gerdes, MD (14 shared papers), Arnold J. Markowitz, MD (14 shared papers) and Mark A. Schattner, MD (9 shared papers).

What insurance does Dr. Emmy Ludwig accept?

Dr. Ludwig is in network with 11 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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