William Anthony Christiana, MD
Internal Medicine Physician · Belleville, NJ
William Anthony Christiana, MD is an internal medicine physician with a practice address in Belleville, New Jersey, and NPI 1891884482, issued on Oct 12, 2006. Check the license (New Jersey MA50153, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Anthony Christiana
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA50153 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 5 Franklin Ave, Belleville, NJ 07109
- Phone
- (973) 751-1410
- Enumerated
- Oct 12, 2006
- Record last updated
- Jun 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (973) 751-9422
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 5 Franklin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Anthony Christiana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA50153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,524 Medicare Part D claims for 640 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 84 claims were for opioids.
Most prescribed
- Atorvastatin Calcium658 claims
- Amlodipine Besylate444 claims
- Levothyroxine Sodium258 claims
- Metoprolol Succinate249 claims
- Metformin Hcl180 claims
- Prednisone177 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $36.12
2 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Anthony Christiana among 4,632 internal medicine physician records in New Jersey
William Anthony Christiana, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 internal medicine physician records list a practice address in Belleville
They are 20 of the 561 NPPES records with a practice address in Belleville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Belleville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mustafa Abdul-Hadi, MDBelleville, NJ 071091811989924
- Farid Abdul-Noor, M.D.Belleville, NJ 071091770751513
- John Cerritelli, MD DSCBelleville, NJ 071091437240553
- John Daconti, DOBelleville, NJ 071091063460939
- Srinivasa Eswarapu, MDBelleville, NJ 071091346215225
- Jaxon Fernandes, MDBelleville, NJ 071091073675740
- Craig Gialanella, M.D.Belleville, NJ 071091467596502
- Michael Miller, MDBelleville, NJ 071091982794707
Common questions
What is William Anthony Christiana, MD's NPI number?
William Anthony Christiana, MD's National Provider Identifier (NPI) is 1891884482, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Christiana, MD located?
The NPPES record lists a practice address at 5 Franklin Ave, Belleville, NJ, 07109. Phone: (973) 751-1410. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Christiana, MD's license?
NPPES lists New Jersey license number MA50153, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Anthony Christiana, MD prescribe under Medicare Part D?
In 2024, William Anthony Christiana, MD had 7,524 Medicare Part D claims for 640 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.