Dr. Gary W. Falk, MD

  • Philadelphia, PA
  • Gastroenterologist
NPI1699732537
Medicare services, 2024
166
Medicare patients, 2024
167
Part D claims, 2024
441
Publications
120
Clinical trials
3
Practice address
3400 Spruce St, Philadelphia, PA 19104
Practice phone
Call (215) 762-0888
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hospital of the University of Pennsylvania

Philadelphia, Pennsylvania

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Dr. Gary W. Falk is a gastroenterologist in Philadelphia, Pennsylvania

Dr. Falk practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.

Dr. Falk's NPI, 1699732537, was assigned on April 26, 2006. Dr. Falk graduated from University of Rochester School of Medicine and Dentistry in 1980. Dr. Falk holds Pennsylvania license MD437142.

NPI and contact details
NPI enumeration date
April 26, 2006
NPI status
Active
Practice phone
(215) 762-0888
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1980

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

Dr. Gary W. Falk practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania

Dr. Falk's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 762-0888.

  • Hospital of the University of Pennsylvania
    3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 762-0888

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

Dr. Gary W. Falk is affiliated with 2 sites of care and 1 medical group

Dr. Falk's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Falk to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Falk

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

Dmand AI tracks the EHR system at Dr. Gary W. Falk's practice

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

EHR by site
SiteEHR vendor and product
Hospital of the University of PennsylvaniaAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary W. Falk is one of 899 gastroenterologists in Pennsylvania

Gastroenterology is Dr. Falk's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Falk's licenses on file in 2 states: Pennsylvania and Ohio.

Specialties and state licenses

  • Gastroenterology, PennsylvaniaPrimaryLicense MD437142 · taxonomy 207RG0100X
  • Ohio licenseLicense 35053586F

Gastroenterologists near Dr. Falk

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. Gary W. Falk billed Medicare for 166 services in 2024

CMS data shows 166 Medicare services from Dr. Falk across 5 procedure codes in 2024, for 167 Medicare patients. Medicare paid $9,870 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024166
Medicare patients167
Paid by Medicare$9,870
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1892024: 9948%
Surgery
2023: 2432024: 6772%
Tests and treatments
2023: 432024: 0100%

Dr. Falk compared with the Pennsylvania median for gastroenterologists, 2024

  • Dr. Falk
  • Pennsylvania median
Medicare services
166vs 40159% below
Medicare patients
167vs 29443% below
Part D claims
396vs 3756% above

Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Falk'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. Falk

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

Dr. Gary W. Falk treated 167 Medicare patients in 2024, average age 72

CMS counts 167 Medicare patients who saw Dr. Falk in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Falk's median patient age at 68, with 46% women.

Medicare patients, 2024167
Average age72
Average risk score1.48
Also on Medicaid10%

Dr. Falk's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Falk's Medicare patients by sex, 2024

  • Women7947%
  • Men8853%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis52%
  4. Ischemic heart disease35%
  5. Anxiety29%
  6. Mood disorders28%
  7. Diabetes26%
  8. Depression25%

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

Dr. Falk's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Gary W. Falk wrote 441 Medicare Part D claims in 2024

In 2024, Dr. Falk wrote 441 Medicare Part D claims for 128 patients. 81% of them were for generic drugs. CMS names the drug for 396 of them, across 10 drugs with 11 or more claims each, at $46,963 in total drug cost. In 2023, CMS named 557 claims across 9 drugs.

Part D claims, 2024441
Drugs named by CMS10
Total drug cost$46,963
Part D patients128

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

  • Generic357 claims81%
  • Brand-name84 claims19%

Dr. Falk'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: 5572024: 39629%

Drugs named by CMS: 10 in 2024, 9 in 2023.

See all prescribing by Dr. Falk

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. Gary W. Falk scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Falk for performance year 2024, reported as part of a group.

Dr. Falk's MIPS scores, performance year 2024

  • 85of 100Final score
  • 73.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Gary W. Falk has 120 publications on record

Dmand AI links 120 papers to Dr. Falk, published from 2015 to 2025. 2022 was the busiest year, with 14. The most frequent topics are Eosinophilic Esophagitis, Esophageal Neoplasms and Barrett Esophagus. Dr. Falk has published most often in Am J Gastroenterol. Dr. Falk's most frequent co-authors are Evan S. Dellon, MD, MPH, Nirmala Gonsalves, MD and Jonathan M. Spergel, MD.

Papers120
Years published2015 to 2025

Dr. Falk's papers by year, 2015 to 2025

Topics Dr. Falk writes about most

  • Eosinophilic Esophagitis
  • Esophageal Neoplasms
  • Barrett Esophagus
  • Adenocarcinoma
  • Enteritis
  • Eosinophilia
  • Esophagoscopy
  • Gastritis

Dr. Falk's most frequent co-authors

Recent publications by Dr. Falk

See all 120 publications and co-authors

See who Dr. Falk researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Falk 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. Gary W. Falk has worked on 3 clinical trials

Dmand AI links Dr. Falk to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Eosinophilic Esophagitis, Esophagitis and Barrett Esophagus. Regeneron Pharmaceuticals sponsors the most, 2. Open Payments lists research payments to Dr. Falk that name 3 trials.

Conditions in Dr. Falk's trials

  • Eosinophilic Esophagitis
  • Esophagitis
  • Barrett Esophagus
  • Precancerous Conditions

Investigators on the most trials with Dr. Falk

Recent clinical trials with Dr. Falk

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Gary W. Falk received $135,271 in industry payments from 2016 to 2025

CMS Open Payments shows 102 general payments to Dr. Falk from 15 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 46% of the total. Sanofi and Genzyme US Companies paid the most, $40,151. It also lists 24 research payments totaling $10,147 from 2016 to 2025, naming 3 clinical trials.

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

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

$135.3Kin total
  • Consulting fees$61,63746%
  • Speaker and faculty fees$52,33539%
  • Honoraria$12,0009%
  • Travel and lodging$7,2195%
  • Food and beverage$2,0802%

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

Share is of all general payments to this clinician.

See all payments to Dr. Falk

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

Dr. Gary W. Falk graduated from University of Rochester School of Medicine and Dentistry

Dr. Falk graduated from University of Rochester School of Medicine and Dentistry in 1980.

  1. Medical schoolUniversity of Rochester School of Medicine and Dentistry

Source: Dmand AI Professional Profile Data

Sources for Dr. Gary W. Falk'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 percentilesClinician Public Reporting: Overall MIPS Performance (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)
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. Gary W. Falk

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. Gary W. Falk's NPI number?

Dr. Gary W. Falk's NPI number is 1699732537. It was assigned on April 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary W. Falk?

Dr. Gary W. Falk is a gastroenterologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Gary W. Falk practice?

Dr. Falk practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Falk's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. Dmand AI also links Dr. Falk to 1 group practice or clinic.

What is Dr. Gary W. Falk's office phone number?

The practice phone on file for Dr. Falk is (215) 762-0888.

What is Dr. Gary W. Falk's medical license number?

Dr. Falk holds Pennsylvania license MD437142, one of the licenses on file in 2 states.

Which states has Dr. Gary W. Falk been licensed in?

Dmand AI has state licenses on file for Dr. Falk in Pennsylvania and Ohio.

What medical group is Dr. Gary W. Falk part of?

Dr. Falk is linked to Penn Medicine Lancaster General Health.

Does Dr. Gary W. Falk accept Medicare?

Yes. CMS data shows Dr. Falk billed Medicare for 166 services in 2024.

What is Dr. Gary W. Falk's MIPS score?

Dr. Falk's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Dr. Gary W. Falk see?

CMS counts 167 Medicare patients who saw Dr. Falk in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

What services does Dr. Gary W. Falk bill to Medicare?

In 2024, Dr. Falk's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (43239) and hospital inpatient care (99232).

Where did Dr. Gary W. Falk go to medical school?

Dr. Falk graduated from University of Rochester School of Medicine and Dentistry in 1980.

What drugs does Dr. Gary W. Falk prescribe most?

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

Has Dr. Gary W. Falk received payments from drug or device companies?

CMS Open Payments shows $135,271 in general payments to Dr. Falk from 15 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Gary W. Falk been practicing?

Dr. Falk graduated from medical school in 1980, 46 years ago.

Does Dr. Gary W. Falk do research?

Dmand AI links 120 publications to Dr. Falk, published from 2015 to 2025. Dr. Falk has worked on 3 clinical trials.

Who does Dr. Gary W. Falk publish with?

Dr. Falk's most frequent co-authors are Evan S. Dellon, MD, MPH (36 shared papers), Nirmala Gonsalves, MD (31 shared papers) and Jonathan M. Spergel, MD (29 shared papers).

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