Trop Gastroenterol
EsophagoscopyEsophagusNecrosis
Dr. Carl Guillaume, MD
NPI1528098118PAC ID2264421973
- Medicare services, 2024
- 78
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 953
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 70 W Burnside Ave, Bronx, NY 10453
- Practice phone
- Call (718) 716-4400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Morris Heights Health Center, Inc.
Bronx, New York
Find Dr. Guillaume's professional email, personal email and mobile number
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Dr. Carl Guillaume is a gastroenterologist in Bronx, New York
Dr. Guillaume practices at Morris Heights Health Center, Inc. in Bronx, New York.
Dr. Guillaume's NPI, 1528098118, was assigned on July 3, 2006. Dr. Guillaume graduated from New York Medical College in 1992. Dr. Guillaume holds New York license 210261.
NPI and contact details
- NPI
- 1528098118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264421973
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 716-4400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carl Guillaume practices at Morris Heights Health Center, Inc. in Bronx, New York
Dr. Guillaume's primary practice is Morris Heights Health Center, Inc., at 70 W Burnside Ave, Bronx, NY 10453 in Bronx County. The practice phone is (718) 716-4400.
- Morris Heights Health Center, Inc.70 W Burnside Ave, Bronx, NY 10453 · Bronx CountyPhone(718) 716-4400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carl Guillaume is affiliated with 4 sites of care and 3 medical groups
Dr. Guillaume's primary practice is Morris Heights Health Center, Inc. in Bronx, New York. Dr. Guillaume is also affiliated with St. Barnabas Hospital. The medical group on file is Morris Heights Health Center. Dmand AI also links Dr. Guillaume to 2 more medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.
Morris Heights Health Center, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Carl Guillaume's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guillaume practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morris Heights Health Center, Inc. | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carl Guillaume is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Guillaume's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Guillaume is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Guillaume
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. Carl Guillaume billed Medicare for 78 services in 2024
CMS data shows 78 Medicare services from Dr. Guillaume across 3 procedure codes in 2024, for 88 Medicare patients. Medicare paid $7,408 for them. Every service was in an office.
Medicare services, 202478
Medicare patients88
Paid by Medicare$7,408
Procedure codes3
Dr. Guillaume's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1132024: 7831%
- Surgery
- 2023: 352024: 0100%
Dr. Guillaume compared with the New York median for gastroenterologists, 2024
- Dr. Guillaume
- New York median
- Medicare services
- 78vs 42181% below
- Medicare patients
- 88vs 23663% below
- Part D claims
- 868vs 3822.3 times
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Guillaume'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guillaume and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carl Guillaume treated 88 Medicare patients in 2024, average age 75
CMS counts 88 Medicare patients who saw Dr. Guillaume in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 2.28, 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. Guillaume's median patient age at 59, with 61% women.
Medicare patients, 202488
Average age75
Average risk score2.28
Also on Medicaid69%
Dr. Guillaume's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guillaume's Medicare patients by sex, 2024
- Women5563%
- Men3338%
Chronic conditions among Dr. Guillaume's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis45%
- Mood disorders44%
- Depression41%
- Alzheimer's and dementia36%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guillaume's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carl Guillaume wrote 953 Medicare Part D claims in 2024
In 2024, Dr. Guillaume wrote 953 Medicare Part D claims for 213 patients. 76% of them were for generic drugs. CMS names the drug for 868 of them, across 8 drugs with 11 or more claims each, at $193,315 in total drug cost. In 2023, CMS named 849 claims across 11 drugs.
Part D claims, 2024953
Drugs named by CMS8
Total drug cost$193,315
Part D patients213
Dr. Guillaume's Part D claims by kind of drug, 2024
- Generic721 claims76%
- Brand-name232 claims24%
Dr. Guillaume'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: 8492024: 8682%
Drugs named by CMS: 8 in 2024, 11 in 2023.
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
How Dr. Carl Guillaume takes part in Medicare
Dr. Guillaume accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Carl Guillaume has 1 publication on record
Dmand AI links 1 paper to Dr. Guillaume. Dr. Guillaume's most frequent co-author is Shashideep Singhal, MD.
Papers1
Dr. Guillaume's most frequent co-authors
Recent publications by Dr. Guillaume
See who Dr. Guillaume researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guillaume works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carl Guillaume received $1,357 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Guillaume from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $373.
General payments to Dr. Guillaume by program year, 2016 to 2024
Companies that paid Dr. Guillaume the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carl Guillaume graduated from New York Medical College
Dr. Guillaume graduated from New York Medical College in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carl Guillaume'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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 Dr. Carl Guillaume
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. Carl Guillaume's NPI number?
Dr. Carl Guillaume's NPI number is 1528098118. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl Guillaume?
Dr. Carl Guillaume is a gastroenterologist in Bronx, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Carl Guillaume practice?
Dr. Guillaume practices at 70 W Burnside Ave, Bronx, NY 10453. Dr. Guillaume's primary practice is Morris Heights Health Center, Inc. in Bronx, New York. Dmand AI also links Dr. Guillaume to 2 medical groups, 1 community health center and 1 group practice or clinic.
What is Dr. Carl Guillaume's office phone number?
The practice phone on file for Dr. Guillaume is (718) 716-4400.
What is Dr. Carl Guillaume's medical license number?
Dr. Guillaume holds New York license 210261.
Which hospitals is Dr. Carl Guillaume affiliated with?
Dr. Guillaume is affiliated with St. Barnabas Hospital.
What medical group is Dr. Carl Guillaume part of?
Dr. Guillaume is linked to Morris Heights Health Center. Dmand AI links Dr. Guillaume to 2 more medical groups.
Does Dr. Carl Guillaume accept Medicare?
Yes. CMS data shows Dr. Guillaume billed Medicare for 78 services in 2024, and Dr. Guillaume accepts Medicare assignment.
How many Medicare patients does Dr. Carl Guillaume see?
CMS counts 88 Medicare patients who saw Dr. Guillaume in 2024, with an average age of 75.
What services does Dr. Carl Guillaume bill to Medicare?
In 2024, Dr. Guillaume's most billed Medicare services were nursing facility care (99305), nursing facility care (99308) and office visit, new patient (99204).
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Where did Dr. Carl Guillaume go to medical school?
Dr. Guillaume graduated from New York Medical College in 1992.
What drugs does Dr. Carl Guillaume prescribe most?
In 2024 Medicare Part D data, Dr. Guillaume's most prescribed drugs by claims were Famotidine, Omeprazole and Linzess.
Has Dr. Carl Guillaume received payments from drug or device companies?
CMS Open Payments shows $1,357 in general payments to Dr. Guillaume from 12 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Carl Guillaume been practicing?
Dr. Guillaume graduated from medical school in 1992, 34 years ago.
Does Dr. Carl Guillaume do research?
Dmand AI links 1 publication to Dr. Guillaume.
Who does Dr. Carl Guillaume publish with?
Dr. Guillaume's most frequent co-authors are Shashideep Singhal, MD (1 shared paper).
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