Dr. Nicholas Gonsalves, MD

  • Oakland, CA
  • General surgeon
NPI1124553987PAC ID7719485168
Part D claims, 2024
33
Hospital affiliations
1
Medical groups
2
State license
1
Year NPI issued
2017
Practice address
350 Hawthorne Avenue, Oakland, CA 94609
Practice phone
Call (510) 655-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Alta Bates Summit Medical Center

Hospital · Oakland, California

See all 5 affiliations

Find Dr. Gonsalves' 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.

View contacts for free

Dr. Nicholas Gonsalves is a general surgeon in Oakland, California

Dr. Gonsalves practices at Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health.

Dr. Gonsalves' NPI, 1124553987, was assigned on April 28, 2017. Dr. Gonsalves graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2016. Dr. Gonsalves holds California license A163255.

NPI and contact details
Medicare PAC ID
7719485168
NPI enumeration date
April 28, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 655-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nicholas Gonsalves practices at Alta Bates Summit Medical Center in Oakland, California

Dr. Gonsalves' primary practice is Alta Bates Summit Medical Center, at 350 Hawthorne Avenue, Oakland, CA 94609 in Alameda County. The practice phone is (510) 655-4000.

Source: Dmand AI Affiliation Data

Dr. Nicholas Gonsalves is affiliated with 3 sites of care and 2 medical groups

Dr. Gonsalves' primary practice is Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Gonsalves to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Gonsalves

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nicholas Gonsalves' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gonsalves practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alta Bates Summit Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Gonsalves practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nicholas Gonsalves is one of 2,926 general surgeons in California

Surgery is Dr. Gonsalves' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gonsalves is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A163255 · taxonomy 208600000X

General surgeons near Dr. Gonsalves

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. Nicholas Gonsalves' patients have a median age of 48

Across all payers, Dmand AI patient panel data puts Dr. Gonsalves' median patient age at 48, with 68% women.

Dr. Gonsalves' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women68%
  • Men28%

Source: Dmand AI Patient Panel Data

Dr. Nicholas Gonsalves wrote 33 Medicare Part D claims in 2024

In 2024, Dr. Gonsalves wrote 33 Medicare Part D claims for 20 patients. 85% of them were for generic drugs.

Part D claims, 202433
Part D patients20

Dr. Gonsalves' Part D claims by kind of drug, 2024

  • Generic28 claims85%
  • Brand-name and other5 claims15%

Drug classes CMS tracks in Dr. Gonsalves' Part D claims, 2024

  • Opioids42%14 of 33 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Nicholas Gonsalves takes part in Medicare

Dr. Gonsalves 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)

For MedTech and pharma teams

Find general surgeons like Dr. Gonsalves by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Nicholas Gonsalves graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Dr. Gonsalves graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2016.

  1. Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Source: Dmand AI Professional Profile Data

Sources for Dr. Nicholas Gonsalves's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nicholas Gonsalves

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. Nicholas Gonsalves' NPI number?

Dr. Nicholas Gonsalves' NPI number is 1124553987. It was assigned on April 28, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Gonsalves?

Dr. Nicholas Gonsalves is a general surgeon in Oakland, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Nicholas Gonsalves practice?

Dr. Gonsalves practices at 350 Hawthorne Avenue, Oakland, CA 94609. Dr. Gonsalves' primary practice is Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health. Dmand AI also links Dr. Gonsalves to 2 group practices and clinics and 1 medical group.

What is Dr. Nicholas Gonsalves' office phone number?

The practice phone on file for Dr. Gonsalves is (510) 655-4000.

What is Dr. Nicholas Gonsalves' medical license number?

Dr. Gonsalves holds California license A163255, one of 2 state licenses on file.

Which hospitals is Dr. Nicholas Gonsalves affiliated with?

Dr. Gonsalves practices at Alta Bates Summit Medical Center in Oakland, California.

What medical group is Dr. Nicholas Gonsalves part of?

Dr. Gonsalves is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Gonsalves to 1 more medical group.

Does Dr. Nicholas Gonsalves accept Medicare?

Yes. CMS lists Dr. Gonsalves as accepting Medicare assignment.

Where did Dr. Nicholas Gonsalves go to medical school?

Dr. Gonsalves graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2016.

How long has Dr. Nicholas Gonsalves been practicing?

Dr. Gonsalves graduated from medical school in 2016, 10 years ago.

Selling to surgery practices?

See general surgeons in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)