Dr. Dena J. Gu, MD
- Part D claims, 2024
- 83
- Hospital affiliations
- 2
- Industry payments
- $1,334
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 1777 West Yosemite Ave, Manteca, CA 95337
- Practice phone
- Call (209) 825-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gu's professional email, personal email and mobile number
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Dr. Dena J. Gu is a general surgeon in Manteca, California
Dr. Gu practices at Manteca Medical Center in Manteca, California, part of Kaiser Permanente.
Dr. Gu's NPI, 1538317706, was assigned on August 29, 2008. Dr. Gu graduated from Lewis Katz School of Medicine in 2006. Dr. Gu holds California license A102485.
- NPI
- 1538317706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971778291
- NPI enumeration date
- August 29, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 825-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dena J. Gu practices at Manteca Medical Center in Manteca, California
Dr. Gu's primary practice is Manteca Medical Center, at 1777 West Yosemite Ave, Manteca, CA 95337 in San Joaquin County. The practice phone is (209) 825-3700.
- Manteca Medical Center1777 West Yosemite Ave, Manteca, CA 95337 · San Joaquin CountyPhone(209) 825-3700
Source: Dmand AI Affiliation Data
Dr. Dena J. Gu is affiliated with 2 sites of care and 1 medical group
Dr. Gu's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente. Dr. Gu is also affiliated with San Joaquin General Hospital. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dena J. Gu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manteca Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dena J. Gu is one of 2,926 general surgeons in California
Surgery is Dr. Gu's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gu is board certified in surgery by the American Board of Surgery. Dr. Gu is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Gu
Counts of general 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. Dena J. Gu's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Gu's median patient age at 58, with 54% women.
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 58
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Dena J. Gu wrote 83 Medicare Part D claims in 2024
In 2024, Dr. Gu wrote 83 Medicare Part D claims for 46 patients. 99% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $229 in total drug cost. In 2023, CMS named 54 claims across 2 drugs.
Dr. Gu's Part D claims by kind of drug, 2024
- Generic82 claims99%
- Brand-name and other1 claims1%
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
- Antibiotics27%22 of 83 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: 542024: 3535%
Drugs named by CMS: 2 in 2024, 2 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. Dena J. Gu takes part in Medicare
Dr. Gu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 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. Dena J. Gu received $1,334 in industry payments in 2025
CMS Open Payments shows 10 general payments to Dr. Gu from 1 drug or device company in 2025. Travel and lodging make up the largest share, 60% of the total. Intuitive Surgical, Inc. paid the most, $1,334.
General payments to Dr. Gu by kind, 2025 to 2025
- Travel and lodging$79560%
- Food and beverage$36027%
- Education$17913%
Companies that paid Dr. Gu the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dena J. Gu graduated from Lewis Katz School of Medicine
Dr. Gu graduated from Lewis Katz School of Medicine in 2006.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Dena J. Gu accepts plans from 1 insurance carrier
Dr. Gu is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Gu accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dena J. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Dena J. 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. Dena J. Gu's NPI number?
Dr. Dena J. Gu's NPI number is 1538317706. It was assigned on August 29, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Dena J. Gu?
Dr. Dena J. Gu is a general surgeon in Manteca, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Dena J. Gu practice?
Dr. Gu practices at 1777 West Yosemite Ave, Manteca, CA 95337. Dr. Gu's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente.
What is Dr. Dena J. Gu's office phone number?
The practice phone on file for Dr. Gu is (209) 825-3700.
What is Dr. Dena J. Gu's medical license number?
Dr. Gu holds California license A102485.
Which hospitals is Dr. Dena J. Gu affiliated with?
Dr. Gu practices at Manteca Medical Center in Manteca, California. Dr. Gu is also affiliated with San Joaquin General Hospital.
What medical group is Dr. Dena J. Gu part of?
Dr. Gu is linked to The Permanente Medical Group, Inc.
Does Dr. Dena J. Gu accept Medicare?
Yes. CMS lists Dr. Gu as accepting Medicare assignment.
Is Dr. Dena J. Gu board certified?
Yes. Dr. Gu is board certified in surgery by the American Board of Surgery.
Where did Dr. Dena J. Gu go to medical school?
Dr. Gu graduated from Lewis Katz School of Medicine in 2006.
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What drugs does Dr. Dena J. Gu prescribe most?
In 2024 Medicare Part D data, Dr. Gu's most prescribed drugs by claims were Gabapentin and Ibuprofen.
Has Dr. Dena J. Gu received payments from drug or device companies?
CMS Open Payments shows $1,334 in general payments to Dr. Gu from 1 company from 2025 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Dena J. Gu been practicing?
Dr. Gu graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Dena J. Gu accept?
Dr. Gu is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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