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Louis H. Griffel
NPI1902976582PAC ID2264613637
- Medicare services, 2018
- 13
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 18
- Publications
- 8
- MIPS score, 2024
- 88
- Practice address
- One Robert Wood Johnson Place, New Brunswick, NJ 08901
- Practice phone
- Call (732) 828-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Louis Griffel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Louis H. Griffel is a gastroenterologist in New Brunswick, New Jersey
Louis Griffel practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health.
Louis Griffel's NPI, 1902976582, was assigned on November 9, 2006. Louis Griffel graduated from Hahnemann University College of Medicine in 1990. Louis Griffel holds New Jersey license 25MA05932600.
NPI and contact details
- NPI
- 1902976582NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264613637
- NPI enumeration date
- November 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 828-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Louis H. Griffel practices at 2 locations in New Brunswick, New Jersey
Louis Griffel's primary practice is Robert Wood Johnson University Hospital, at One Robert Wood Johnson Place, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 828-3000. Louis Griffel also practices at Robert Wood Johnson University Hospital - New Brunswick, 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901.
- Robert Wood Johnson University HospitalPrimaryOne Robert Wood Johnson Place, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
- Robert Wood Johnson University Hospital - New Brunswick1 Robert Wood Johnson Pl, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Louis H. Griffel is affiliated with 2 sites of care and 1 medical group
Louis Griffel's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. The medical group on file is Rutgers-RWJ Scleroderma Program. Dmand AI also links Louis Griffel to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Louis H. Griffel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Louis Griffel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert Wood Johnson University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Louis H. Griffel is one of 691 gastroenterologists in New Jersey
Gastroenterology is Louis Griffel's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Louis Griffel is licensed in New Jersey.
Specialties and state licenses
- Gastroenterology, New JerseyPrimary
Gastroenterologists near Louis Griffel
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
691gastroenterologists in New Jersey18gastroenterologists in New Brunswick9gastroenterologists at Robert Wood Johnson University Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Louis H. Griffel billed Medicare for 13 services in 2018
CMS data shows 13 Medicare services from Louis Griffel across 1 procedure code in 2018, all of them office visits, for 11 Medicare patients. Medicare paid $643 for them. Every service was in an office.
Medicare services, 201813
Medicare patients11
Paid by Medicare$643
Procedure codes1
Louis Griffel compared with the New Jersey median for gastroenterologists, 2018
- Louis Griffel
- New Jersey median
- Medicare services
- 13vs 68598% below
- Medicare patients
- 11vs 37597% below
- Part D claims
- 12vs 61198% below
Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.
Louis Griffel's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Louis Griffel?
Medicare shows one payer. Book a meeting to get commercial claims data for Louis Griffel and other gastroenterologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Louis H. Griffel treated 11 Medicare patients in 2024, average age 78
CMS counts 11 Medicare patients who saw Louis Griffel in 2024. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Louis Griffel's median patient age at 68, with 53% women.
Medicare patients, 202411
Average age78
Average risk score2.17
Louis Griffel'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
- Women53%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Louis H. Griffel wrote 18 Medicare Part D claims in 2024
In 2024, Louis Griffel wrote 18 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $7,102 in total drug cost.
Part D claims, 202418
Drugs named by CMS1
Total drug cost$7,102
Louis Griffel's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Louis H. Griffel scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Louis Griffel for performance year 2024, reported as part of a group. Louis Griffel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Louis Griffel's MIPS scores, performance year 2024
- 88of 100Final score
- 70.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Louis H. Griffel has 8 publications on record
Dmand AI links 8 papers to Louis Griffel, published from 2010 to 2015. 2011 was the busiest year, with 3. The most frequent topics are Benzoates, Deferasirox and Iron Chelating Agents. Louis Griffel's most frequent co-authors are Herbert L. Bonkovsky, MD, Thomas D. Coates, MD and Renee V. Gardner, MD.
Papers8
Years published2010 to 2015
Louis Griffel's papers by year, 2010 to 2015
Topics Louis Griffel writes about most
- Benzoates
- Deferasirox
- Iron Chelating Agents
- Triazoles
- Iron Overload
Louis Griffel's most frequent co-authors
- Herbert L. Bonkovsky, MD1 shared paper
- Thomas D. Coates, MD1 shared paper
- Renee V. Gardner, MD1 shared paper
Recent publications by Louis Griffel
Benzoatesbeta-ThalassemiaChelation Therapy
Anemia, Sickle CellBenzoatesDeferasirox
See who Louis Griffel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Louis Griffel works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Louis H. Griffel received $34 in industry payments in 2017
CMS Open Payments shows 2 general payments to Louis Griffel from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $22.
Companies that paid Louis Griffel the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Louis H. Griffel graduated from Hahnemann University College of Medicine
Louis Griffel graduated from Hahnemann University College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Louis H. Griffel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Louis H. Griffel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Louis H. Griffel's NPI number?
Louis H. Griffel's NPI number is 1902976582. It was assigned on November 9, 2006, and it is active in the NPI Registry.
What does Louis H. Griffel specialize in?
Louis H. Griffel is a gastroenterologist in New Brunswick, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Louis H. Griffel practice?
Louis Griffel practices at One Robert Wood Johnson Place, New Brunswick, NJ 08901. Louis Griffel also practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. Louis Griffel's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. Dmand AI also links Louis Griffel to 1 group practice or clinic.
What is Louis H. Griffel's office phone number?
The practice phone on file for Louis Griffel is (732) 828-3000.
What is Louis H. Griffel's medical license number?
Louis Griffel holds New Jersey license 25MA05932600.
Which hospitals is Louis H. Griffel affiliated with?
Louis Griffel practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey.
What medical group is Louis H. Griffel part of?
Louis Griffel is linked to Rutgers-RWJ Scleroderma Program.
Does Louis H. Griffel accept Medicare?
Yes. CMS data shows Louis Griffel billed Medicare for 13 services in 2018, and Louis Griffel accepts Medicare assignment.
What is Louis H. Griffel's MIPS score?
Louis Griffel's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Louis H. Griffel see?
CMS counts 11 Medicare patients who saw Louis Griffel in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
What services does Louis H. Griffel bill to Medicare?
In 2018, Louis Griffel's most billed Medicare services were office visit, established patient (99213).
Where did Louis H. Griffel go to medical school?
Louis Griffel graduated from Hahnemann University College of Medicine in 1990.
What drugs does Louis H. Griffel prescribe most?
In 2022 Medicare Part D data, Louis Griffel's most prescribed drugs by claims were Linzess.
Has Louis H. Griffel received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Louis Griffel from 2 companies from 2017 to 2017. The largest total came from Valeant Pharmaceuticals International.
How long has Louis H. Griffel been practicing?
Louis Griffel graduated from medical school in 1990, 36 years ago.
Does Louis H. Griffel do research?
Dmand AI links 8 publications to Louis Griffel, published from 2010 to 2015.
Who does Louis H. Griffel publish with?
Louis Griffel's most frequent co-authors are Herbert L. Bonkovsky, MD (1 shared paper), Thomas D. Coates, MD (1 shared paper) and Renee V. Gardner, MD (1 shared paper).
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