Dis Colon Rectum
Dr. Jose G. Guillem, MD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 15
- Publications
- 76
- Hospital affiliations
- 1
- Practice address
- 500 University Drive, Hershey, PA 17033
- Practice phone
- Call (717) 531-8521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Guillem'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.
Dr. Jose G. Guillem is a colorectal surgeon in Hershey, Pennsylvania
Dr. Guillem practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State.
Dr. Guillem's NPI, 1902881444, was assigned on December 7, 2005. Dr. Guillem graduated from Yale School of Medicine in 1983. Dr. Guillem's New York license number on file is 162606.
- NPI
- 1902881444NPI Registry (opens in a new tab)
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Practice phone
- (717) 531-8521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jose G. Guillem practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania
Dr. Guillem's primary practice is Penn State Health Milton S. Hershey Medical Center, at 500 University Drive, Hershey, PA 17033 in Dauphin County. The practice phone is (717) 531-8521.
- Penn State Health Milton S. Hershey Medical Center500 University Drive, Hershey, PA 17033 · Dauphin CountyPhone(717) 531-8521
Source: Dmand AI Affiliation Data
Dr. Jose G. Guillem is affiliated with 1 site of care and 2 medical groups
Dr. Guillem's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. The medical group on file is Penn State Health Milton S. Hershey Medical Center. Dmand AI also links Dr. Guillem to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jose G. Guillem's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guillem practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn State Health Milton S. Hershey Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Penn State and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jose G. Guillem is one of 114 colorectal surgeons in Pennsylvania
Colon and rectal surgery is Dr. Guillem's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Guillem is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Guillem's licenses on file in 3 states: New York, Pennsylvania and North Carolina.
Specialties and state licenses
- Colon and rectal surgery, New YorkPrimary
- Pennsylvania license
- North Carolina license
Clinical focus
Dmand AI lists abdominal adhesion surgery, colonoscopy, colon removal, gastrointestinal bleeding, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Guillem treats.
Colorectal surgeons near Dr. Guillem
Counts of colorectal surgeons 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. Jose G. Guillem billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Guillem across 2 procedure codes in 2024, all of them office visits, for 43 Medicare patients. Medicare paid $2,378 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Guillem's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 992024: 3961%
Dr. Guillem compared with the Pennsylvania median for colorectal surgeons, 2024
- Dr. Guillem
- Pennsylvania median
- Medicare services
- 39vs 30087% below
- Medicare patients
- 43vs 20879% below
- Part D claims
- 24vs 8471% below
Medians across 111 colorectal surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Guillem'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. Guillem and other colorectal surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jose G. Guillem treated 43 Medicare patients in 2024, average age 71
CMS counts 43 Medicare patients who saw Dr. Guillem in 2024. The largest group is 65 to 74, with 20 patients. 72% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.95, 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. Guillem's median patient age at 71, with 49% women.
Dr. Guillem's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guillem's Medicare patients by sex, 2024
- Women2047%
- Men2353%
Chronic conditions among Dr. Guillem's Medicare patients, 2024
- High cholesterol72%
- High blood pressure70%
- Cancer49%
- Arthritis37%
- Chronic kidney disease37%
- Atrial fibrillation28%
- Diabetes28%
- Heart failure26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guillem'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
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jose G. Guillem wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Guillem wrote 15 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $877 in total drug cost. In 2021, CMS named 13 claims across 1 drug.
Dr. Guillem'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.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 132022: 2485%
Drugs named by CMS: 2 in 2022, 1 in 2021.
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
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Dr. Jose G. Guillem has 76 publications on record
Dmand AI links 76 papers to Dr. Guillem, published from 2010 to 2024. 2018 was the busiest year, with 8. The most frequent topics are Rectal Neoplasms, Neoadjuvant Therapy and Colectomy. Dr. Guillem has published most often in Dis Colon Rectum. Dr. Guillem's most frequent co-authors are Martin R. Weiser, MD, Philip B. Paty, MD and Garrett Michael Nash, MD.
Dr. Guillem's papers by year, 2014 to 2024
Topics Dr. Guillem writes about most
- Rectal Neoplasms
- Neoadjuvant Therapy
- Colectomy
- Colorectal Neoplasms
- Chemotherapy, Adjuvant
- Rectum
- Adenocarcinoma
- Proctectomy
Dr. Guillem's most frequent co-authors
- Martin R. Weiser, MD50 shared papers
- Philip B. Paty, MD46 shared papers
- Garrett Michael Nash, MD44 shared papers
Recent publications by Dr. Guillem
Dis Colon Rectum
J Gastrointest Surg
Am Surg
See who Dr. Guillem researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guillem works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jose G. Guillem received $3,131 in industry payments from 2017 to 2024
CMS Open Payments shows 20 general payments to Dr. Guillem from 5 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $2,446. It also lists 1 research payment totaling $5,000 in 2022.
General payments to Dr. Guillem by program year, 2017 to 2024
General payments to Dr. Guillem by kind, 2017 to 2024
- Travel and lodging$2,34975%
- Food and beverage$46115%
- Honoraria$32010%
Companies that paid Dr. Guillem the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jose G. Guillem graduated from Yale School of Medicine
Dr. Guillem graduated from Yale School of Medicine in 1983.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Jose G. Guillem accepts plans from 15 insurance carriers
Dr. Guillem is in network with 15 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of North Carolina
- Cigna
- Elevance
- Highmark
- +7 more carriersWith a free account
Plan types Dr. Guillem accepts, by number of carriers
- Medicare12
- PPO12
- HMO7
- EPO4
- POS4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jose G. Guillem'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 | Dmand AI Affiliation 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Jose G. Guillem
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. Jose G. Guillem's NPI number?
Dr. Jose G. Guillem's NPI number is 1902881444. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jose G. Guillem?
Dr. Jose G. Guillem is a colorectal surgeon in Hershey, Pennsylvania. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Jose G. Guillem practice?
Dr. Guillem practices at 500 University Drive, Hershey, PA 17033. Dr. Guillem's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Dmand AI also links Dr. Guillem to 1 medical group.
What is Dr. Jose G. Guillem's office phone number?
The practice phone on file for Dr. Guillem is (717) 531-8521.
What is Dr. Jose G. Guillem's medical license number?
Dr. Guillem's New York license number on file is 162606, one of the licenses on file in 3 states.
Which states has Dr. Jose G. Guillem been licensed in?
Dmand AI has state licenses on file for Dr. Guillem in New York (1985 to 2023), Pennsylvania (2025 to 2026) and North Carolina (2020 to 2025).
Which hospitals is Dr. Jose G. Guillem affiliated with?
Dr. Guillem practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania.
What medical group is Dr. Jose G. Guillem part of?
Dr. Guillem is linked to Penn State Health Milton S. Hershey Medical Center. Dmand AI links Dr. Guillem to 1 more medical group.
Does Dr. Jose G. Guillem accept Medicare?
Yes. CMS data shows Dr. Guillem billed Medicare for 39 services in 2024.
How many Medicare patients does Dr. Jose G. Guillem see?
CMS counts 43 Medicare patients who saw Dr. Guillem in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Jose G. Guillem board certified?
Yes. Dr. Guillem is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Jose G. Guillem bill to Medicare?
In 2024, Dr. Guillem's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Jose G. Guillem go to medical school?
Dr. Guillem graduated from Yale School of Medicine in 1983.
What drugs does Dr. Jose G. Guillem prescribe most?
In 2022 Medicare Part D data, Dr. Guillem's most prescribed drugs by claims were Neomycin Sulfate and Erythromycin.
Has Dr. Jose G. Guillem received payments from drug or device companies?
CMS Open Payments shows $3,131 in general payments to Dr. Guillem from 5 companies from 2017 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Jose G. Guillem been practicing?
Dr. Guillem graduated from medical school in 1983, 43 years ago.
Does Dr. Jose G. Guillem do research?
Dmand AI links 76 publications to Dr. Guillem, published from 2010 to 2024.
Who does Dr. Jose G. Guillem publish with?
Dr. Guillem's most frequent co-authors are Martin R. Weiser, MD (50 shared papers), Philip B. Paty, MD (46 shared papers) and Garrett Michael Nash, MD (44 shared papers).
What insurance does Dr. Jose G. Guillem accept?
Dr. Guillem is in network with 15 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
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