Dr. Catherine C. Gu, MD
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 125
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $2,687
- Practice address
- 1201 Langhorne Newtown Rd, Langhorne, PA 19047
- Practice phone
- Call (215) 710-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Mary Medical Center (PA)
Langhorne, Pennsylvania
Find Dr. Gu'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. Catherine C. Gu is a urologist in Langhorne, Pennsylvania
Dr. Gu practices at St Mary Medical Center (PA) in Langhorne, Pennsylvania.
Dr. Gu's NPI, 1013478833, was assigned on March 26, 2019. Dr. Gu graduated from Perelman School of Medicine - Philadelphia in 2019. Dr. Gu holds California license A193932.
- NPI
- 1013478833NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012358328
- NPI enumeration date
- March 26, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 710-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine C. Gu practices at St Mary Medical Center (PA) in Langhorne, Pennsylvania
Dr. Gu's primary practice is St Mary Medical Center (PA), at 1201 Langhorne Newtown Rd, Langhorne, PA 19047 in Bucks County. The practice phone is (215) 710-2000.
- St Mary Medical Center (PA)1201 Langhorne Newtown Rd, Langhorne, PA 19047 · Bucks CountyPhone(215) 710-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine C. Gu is affiliated with 4 sites of care and 2 medical groups
Dr. Gu's primary practice is St Mary Medical Center (PA) in Langhorne, Pennsylvania. Dr. Gu is also affiliated with St. Mary Medical Center. The medical group on file is Trinity Health Mid-Atlantic Medical Group. Dmand AI also links Dr. Gu to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Catherine C. Gu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Mary Medical Center (PA) | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine C. Gu is one of 562 urologists in Pennsylvania
Urology is Dr. Gu's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Gu's licenses on file in 3 states: California, Pennsylvania and Massachusetts.
Specialties and state licenses
- Urology, CaliforniaPrimary
- Pennsylvania license
- Massachusetts license
Urologists near Dr. Gu
Counts of urologists 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. Catherine C. Gu treated 23 Medicare patients in 2024, average age 75
CMS counts 23 Medicare patients who saw Dr. Gu in 2024. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gu's median patient age at 57, with 9% women.
Chronic conditions among Dr. Gu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women9%
- Men90%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine C. Gu wrote 125 Medicare Part D claims in 2024
In 2024, Dr. Gu wrote 125 Medicare Part D claims for 60 patients. 97% of them were for generic drugs. CMS names the drug for 82 of them, across 4 drugs with 11 or more claims each, at $450 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Gu's Part D claims by kind of drug, 2024
- Generic121 claims97%
- Brand-name and other4 claims3%
Dr. Gu'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.
Drug classes CMS tracks in Dr. Gu's Part D claims, 2024
- Opioids26%33 of 125 claims
- Antibiotics29%36 of 125 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 492024: 8267%
Drugs named by CMS: 4 in 2024, 3 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. Catherine C. Gu takes part in Medicare
Dr. Gu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Prostate resection: 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. Catherine C. Gu has 1 publication on record
Dmand AI links 1 paper to Dr. Gu in 2025. Dr. Gu's most frequent co-authors are Juan Jose Andino, MD, Jesse N. Mills, MD and Nancy Yating Ye, MD.
Dr. Gu's most frequent co-authors
Recent publications by Dr. Gu
See who Dr. Gu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gu works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine C. Gu received $2,687 in industry payments from 2022 to 2025
CMS Open Payments shows 46 general payments to Dr. Gu from 9 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $1,233.
General payments to Dr. Gu by program year, 2022 to 2025
Companies that paid Dr. Gu the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine C. Gu graduated from Perelman School of Medicine - Philadelphia
Dr. Gu graduated from Perelman School of Medicine - Philadelphia in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Catherine C. Gu accepts plans from 5 insurance carriers
Dr. Gu is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Gu accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Catherine C. Gu'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 Data |
| 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 |
| 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. Catherine C. Gu
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. Catherine C. Gu's NPI number?
Dr. Catherine C. Gu's NPI number is 1013478833. It was assigned on March 26, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine C. Gu?
Dr. Catherine C. Gu is a urologist in Langhorne, Pennsylvania. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Catherine C. Gu practice?
Dr. Gu practices at 1201 Langhorne Newtown Rd, Langhorne, PA 19047. Dr. Gu's primary practice is St Mary Medical Center (PA) in Langhorne, Pennsylvania. Dmand AI also links Dr. Gu to 2 group practices and clinics and 1 medical group.
What is Dr. Catherine C. Gu's office phone number?
The practice phone on file for Dr. Gu is (215) 710-2000.
What is Dr. Catherine C. Gu's medical license number?
Dr. Gu holds California license A193932, one of the licenses on file in 3 states.
Which states has Dr. Catherine C. Gu been licensed in?
Dmand AI has state licenses on file for Dr. Gu in California (2024 to 2026), Pennsylvania (2025 to 2026) and Massachusetts (2019 to 2024).
Which hospitals is Dr. Catherine C. Gu affiliated with?
Dr. Gu is affiliated with St. Mary Medical Center.
What medical group is Dr. Catherine C. Gu part of?
Dr. Gu is linked to Trinity Health Mid-Atlantic Medical Group. Dmand AI links Dr. Gu to 1 more medical group.
Does Dr. Catherine C. Gu accept Medicare?
Yes. CMS lists Dr. Gu as accepting Medicare assignment.
How many Medicare patients does Dr. Catherine C. Gu see?
CMS counts 23 Medicare patients who saw Dr. Gu in 2024, with an average age of 75.
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Where did Dr. Catherine C. Gu go to medical school?
Dr. Gu graduated from Perelman School of Medicine - Philadelphia in 2019.
What drugs does Dr. Catherine C. Gu prescribe most?
In 2024 Medicare Part D data, Dr. Gu's most prescribed drugs by claims were Oxycodone HCl, Sulfamethoxazole-Trimethoprim and Tamsulosin HCl.
Has Dr. Catherine C. Gu received payments from drug or device companies?
CMS Open Payments shows $2,687 in general payments to Dr. Gu from 9 companies from 2022 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Catherine C. Gu been practicing?
Dr. Gu graduated from medical school in 2019, 7 years ago.
Does Dr. Catherine C. Gu do research?
Dmand AI links 1 publication to Dr. Gu.
Who does Dr. Catherine C. Gu publish with?
Dr. Gu's most frequent co-authors are Juan Jose Andino, MD (1 shared paper), Jesse N. Mills, MD (1 shared paper) and Nancy Yating Ye, MD (1 shared paper).
What insurance does Dr. Catherine C. Gu accept?
Dr. Gu is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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