Dr. Grace Wu, MD
- Medicare services, 2016
- 238
- Part D claims, 2024
- 242
- Hospital affiliations
- 1
- Industry payments
- $1,086
- Medical group
- 1
- Practice address
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Practice phone
- Call (707) 571-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Grace Wu is an internist in Santa Rosa, California
Dr. Wu practices at Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
Dr. Wu's NPI, 1346582731, was assigned on March 23, 2013. Dr. Wu graduated from New York Medical College in 2013. Dr. Wu's Washington license number on file is MD60583296.
- NPI
- 1346582731NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931425584
- NPI enumeration date
- March 23, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 571-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace Wu practices at Santa Rosa Medical Center in Santa Rosa, California
Dr. Wu's primary practice is Santa Rosa Medical Center, at 401 Bicentennial Way, Santa Rosa, CA 95403 in Sonoma County. The practice phone is (707) 571-4000.
- Santa Rosa Medical Center401 Bicentennial Way, Santa Rosa, CA 95403 · Sonoma CountyPhone(707) 571-4000
Source: Dmand AI Affiliation Data
Dr. Grace Wu is affiliated with 1 site of care and 1 medical group
Dr. Wu's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente. 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. Grace Wu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace Wu is one of 16,751 internists in California
Internal medicine is Dr. Wu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wu is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Wu's licenses on file in 2 states: Washington and California.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
- California license
Internists near Dr. Wu
Counts of internists 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. Grace Wu billed Medicare for 238 services in 2016
CMS data shows 238 Medicare services from Dr. Wu across 4 procedure codes in 2016. Medicare paid $17,846 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wu compared with the California median for internists, 2016
- Dr. Wu
- California median
- Medicare services
- 238vs 36134% below
- Part D claims
- 169vs 42160% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Wu's most billed Medicare procedure codes, 2016
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. Wu and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grace Wu's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Wu's median patient age at 69, with 57% women.
Dr. Wu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Grace Wu wrote 242 Medicare Part D claims in 2024
In 2024, Dr. Wu wrote 242 Medicare Part D claims for 77 patients. 90% of them were for generic drugs. CMS names the drug for 169 of them, across 7 drugs with 11 or more claims each, at $17,626 in total drug cost. In 2023, CMS named 79 claims across 4 drugs.
Dr. Wu's Part D claims by kind of drug, 2024
- Generic217 claims90%
- Brand-name25 claims10%
Dr. Wu'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. Wu's Part D claims, 2024
- Opioids75%181 of 242 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: 792024: 169114%
Drugs named by CMS: 7 in 2024, 4 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. Grace Wu takes part in Medicare
Dr. Wu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Grace Wu received $1,086 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Wu from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 58% of the total. Sonendo Inc paid the most, $1,029.
General payments to Dr. Wu by program year, 2016 to 2025
General payments to Dr. Wu by kind, 2016 to 2025
- Travel and lodging$62658%
- Consulting fees$40337%
- Food and beverage$575%
Companies that paid Dr. Wu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grace Wu graduated from New York Medical College
Dr. Wu graduated from New York Medical College in 2013.
- Medical school
- Board certified in geriatric medicine
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Grace Wu accepts plans from 2 insurance carriers
Dr. Wu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Wu accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Grace Wu'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 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) |
| 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. Grace Wu
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. Grace Wu's NPI number?
Dr. Grace Wu's NPI number is 1346582731. It was assigned on March 23, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace Wu?
Dr. Grace Wu is an internist in Santa Rosa, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Grace Wu practice?
Dr. Wu practices at 401 Bicentennial Way, Santa Rosa, CA 95403. Dr. Wu's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
What is Dr. Grace Wu's office phone number?
The practice phone on file for Dr. Wu is (707) 571-4000.
What is Dr. Grace Wu's medical license number?
Dr. Wu's Washington license number on file is MD60583296, one of the licenses on file in 2 states.
Which states has Dr. Grace Wu been licensed in?
Dmand AI has state licenses on file for Dr. Wu in Washington (2015 to 2020) and California (2019 to 2027).
Which hospitals is Dr. Grace Wu affiliated with?
Dr. Wu practices at Santa Rosa Medical Center in Santa Rosa, California.
What medical group is Dr. Grace Wu part of?
Dr. Wu is linked to The Permanente Medical Group, Inc.
Does Dr. Grace Wu accept Medicare?
Yes. CMS data shows Dr. Wu billed Medicare for 238 services in 2016, and Dr. Wu accepts Medicare assignment.
Is Dr. Grace Wu board certified?
Yes. Dr. Wu is board certified in geriatric medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Grace Wu bill to Medicare?
In 2016, Dr. Wu's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Grace Wu go to medical school?
Dr. Wu graduated from New York Medical College in 2013.
What drugs does Dr. Grace Wu prescribe most?
In 2024 Medicare Part D data, Dr. Wu's most prescribed drugs by claims were Oxycodone HCl, Morphine Sulfate ER and Hydrocodone-Acetaminophen.
Has Dr. Grace Wu received payments from drug or device companies?
CMS Open Payments shows $1,086 in general payments to Dr. Wu from 4 companies from 2016 to 2025. The largest total came from Sonendo Inc.
How long has Dr. Grace Wu been practicing?
Dr. Wu graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Grace Wu accept?
Dr. Wu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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