Geralyn Michele Ponzio, MD
Internal Medicine Physician · Montclair, NJ
Geralyn Michele Ponzio, MD is an internal medicine physician with a practice address in Montclair, New Jersey, and NPI 1962484501, issued on Nov 18, 2005. Check the license (New Jersey 25MA07671800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Geralyn Michele Ponzio
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA07671800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 127 Pine St, Montclair, NJ 07042
- Phone
- (973) 783-0073
- Enumerated
- Nov 18, 2005
- Record last updated
- Dec 11, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (973) 783-4010
- Medicaid ID
- 0049883 NJ
- Medicare enrollment
- Enrolled (PECOS I20040914001067); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 127 Pine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily KarrasMental Health Counselor1952171159
- Emmanuel MervilusSocial Worker1497564132
- Matthew Ponzio, MDCardiovascular Disease Physician1952383598
Verify Geralyn Michele Ponzio 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 25MA07671800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,983 Medicare Part D claims for 895 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 323 claims were for opioids.
Most prescribed
- Atorvastatin Calcium442 claims
- Levothyroxine Sodium429 claims
- Alprazolam382 claims
- Amlodipine Besylate279 claims
- Lisinopril245 claims
- Metformin Hcl227 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: $174.55
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Bills Medicare through 2 group practices
- Practice Associates Medical GroupMorristown, NJ
- Premier Health Associates LLCMilford, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geralyn Michele Ponzio among 4,632 internal medicine physician records in New Jersey
Geralyn Michele Ponzio, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2001 · median 2000 among the 3,132 with a school on file
- Record last updated2009 · 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).
38 internal medicine physician records list a practice address in Montclair
They are 38 of the 1,402 NPPES records with a practice address in Montclair, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Montclair → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Reddy Allam, MDMontclair, NJ 070421437117827
- Francis Berlingeri, MDMontclair, NJ 070421851498463
- Tiziana Califano, MDMontclair, NJ 070421861468431
- John Gribbon, M.D.Montclair, NJ 070421639224728
- Rajitha Gujja, MDMontclair, NJ 070421558362202
- Jaffar Jafri, MDMontclair, NJ 070421477562007
- Edward Krupp, D.O.Montclair, NJ 070421760583868
- Raymond Liang, MDMontclair, NJ 070421487626057
Common questions
What is Geralyn Michele Ponzio, MD's NPI number?
Geralyn Michele Ponzio, MD's National Provider Identifier (NPI) is 1962484501, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Geralyn Michele Ponzio, MD located?
The NPPES record lists a practice address at 127 Pine St, Montclair, NJ, 07042. Phone: (973) 783-0073. Providers update this record themselves, so call before visiting.
How can I verify Geralyn Michele Ponzio, MD's license?
NPPES lists New Jersey license number 25MA07671800, 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 Geralyn Michele Ponzio, MD prescribe under Medicare Part D?
In 2024, Geralyn Michele Ponzio, MD had 9,983 Medicare Part D claims for 895 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.