John G. Zhang, DDS

  • Middletown, NY
  • Dentist
NPI1922200211
Part D claims, 2024
86
Industry payments
$21
Medical group
1
State license
1
Year NPI issued
2007
Practice address
7 Railroad Ave, Middletown, NY 10940
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Medical group

Loma Linda University Faculty Medical Group

Loma Linda, California

Find John Zhang'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.

View contacts for free

John G. Zhang is a dentist in Middletown, New York

John Zhang practices with Loma Linda University Faculty Medical Group, a medical group.

John Zhang's NPI, 1922200211, was assigned on May 31, 2007. John Zhang holds California license 54322.

NPI and contact details
NPI enumeration date
May 31, 2007
NPI status
Active
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

John G. Zhang's practice address is in Middletown, New York

John Zhang's practice address in the NPI Registry is 7 Railroad Ave, Middletown, NY 10940, in Orange County.

  • NPI Registry address
    7 Railroad Ave, Middletown, NY 10940 · Orange County

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

John G. Zhang is affiliated with 1 medical group

John Zhang is part of Loma Linda University Faculty Medical Group, a medical group in Loma Linda, California.

Loma Linda University Faculty Medical GroupMedical group · Loma Linda, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John G. Zhang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Zhang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Faculty Medical GroupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where John Zhang practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Loma Linda University Faculty Medical Group and 6.2K+ hospitals, with verified contacts in the same login.

John G. Zhang is one of 2,053 dentists in New York

Dentist is John Zhang's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Zhang is licensed in California.

Specialties and state licenses

  • Dentist, CaliforniaPrimaryLicense 54322 · taxonomy 122300000X

Dentists near John Zhang

Counts of dentists 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

John G. Zhang's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts John Zhang's median patient age at 68, with 100% women.

John Zhang's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

John G. Zhang wrote 86 Medicare Part D claims in 2024

In 2024, John Zhang wrote 86 Medicare Part D claims for 57 patients. 88% of them were for generic drugs.

Part D claims, 202486
Part D patients57

John Zhang's Part D claims by kind of drug, 2024

  • Generic76 claims88%
  • Brand-name and other10 claims12%

Drug classes CMS tracks in John Zhang's Part D claims, 2024

  • Antibiotics70%60 of 86 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

For MedTech and pharma teams

Find dentists like John Zhang 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.

John G. Zhang received $21 in industry payments in 2025

CMS Open Payments shows 1 general payment to John Zhang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $21.

Companies that paid John Zhang the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to John Zhang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for John G. Zhang'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 John G. Zhang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John G. Zhang's NPI number?

John G. Zhang's NPI number is 1922200211. It was assigned on May 31, 2007, and it is active in the NPI Registry.

What does John G. Zhang specialize in?

John G. Zhang is a dentist in Middletown, New York. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does John G. Zhang practice?

John Zhang practices at 7 Railroad Ave, Middletown, NY 10940. John Zhang's primary practice is Loma Linda University Faculty Medical Group, a medical group.

What is John G. Zhang's medical license number?

John Zhang holds California license 54322.

What medical group is John G. Zhang part of?

John Zhang is part of Loma Linda University Faculty Medical Group in Loma Linda, California.

Has John G. Zhang received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to John Zhang from 1 company from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.

How long has John G. Zhang been practicing?

John Zhang's NPI was assigned in 2007.

Selling to dentist practices?

See dentists in New York 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)