Jansen M. Tiongson, MD
Emergency Medicine Physician · Berkeley Heights, NJ
Jansen M. Tiongson, MD is an emergency medicine physician with a practice address in Berkeley Heights, New Jersey, and NPI 1811182801, issued on Sep 12, 2007. Check the license (New Jersey 25MA12118200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jansen M. Tiongson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 25MA12118200 NJ
293890 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Diamond Hill RD, Berkeley Heights, NJ 07922
- Phone
- (516) 783-4600
- Enumerated
- Sep 12, 2007
- Record last updated
- Feb 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20180702002136); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 1 Diamond Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jansen M. Tiongson 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 25MA12118200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average emergency medicine physician in 2024
410 Medicare Part D claims for 367 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cephalexin54 claims
- Amoxicillin38 claims
- Nitrofurantoin Mono-Macro35 claims
- Sulfamethoxazole-Trimethoprim33 claims
- Azithromycin22 claims
- Ciprofloxacin Hcl20 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.
Bills Medicare through one group practice
- City Medical OF Upper East Side PLLCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jansen M. Tiongson among 1,754 emergency medicine physician records in New Jersey
Jansen M. Tiongson, MD is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2011 among the 1,167 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 emergency medicine physician records list a practice address in Berkeley Heights
They are 27 of the 672 NPPES records with a practice address in Berkeley Heights, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Berkeley Heights → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rajesh Geria, MDBerkeley Heights, NJ 079221700864410
- Miguel Giron, MDBerkeley Heights, NJ 079221912927930
- Costas Kaiafas, MDBerkeley Heights, NJ 079221528057866
- Kevin Kennedy, MDBerkeley Heights, NJ 079221639111735
- John Koliopoulos, DOBerkeley Heights, NJ 079221053353516
- Marc Levine, MDBerkeley Heights, NJ 079221609804418
- Manjushree Matadial, DOBerkeley Heights, NJ 079221568542686
- Marc Milano, MDBerkeley Heights, NJ 079221477540219
Common questions
What is Jansen M. Tiongson, MD's NPI number?
Jansen M. Tiongson, MD's National Provider Identifier (NPI) is 1811182801, issued on Sep 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jansen M. Tiongson, MD located?
The NPPES record lists a practice address at 1 Diamond Hill RD, Berkeley Heights, NJ, 07922. Phone: (516) 783-4600. Providers update this record themselves, so call before visiting.
How can I verify Jansen M. Tiongson, MD's license?
NPPES lists New Jersey license number 25MA12118200, 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 Jansen M. Tiongson, MD prescribe under Medicare Part D?
In 2024, Jansen M. Tiongson, MD had 410 Medicare Part D claims for 367 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.