Eric J. Gertner, MD
Internal Medicine Physician · Allentown, PA
Eric J. Gertner, MD is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1427088848, issued on Jul 3, 2006. Check the license (Pennsylvania MD054005L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Eric J. Gertner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD054005L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3080 Hamilton Blvd, Allentown, PA 18103
- Phone
- (484) 661-4650
- Enumerated
- Jul 3, 2006
- Record last updated
- Dec 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20040611000996); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3080 Hamilton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baylor, MDFamily Medicine Physician1861421760
- Cheryl Bloomfield, MDInternal Medicine Physician1083622872
- Carolyn Casey, D.O.Rheumatology Physician1205129228
- Brian Costello, D.O.Internal Medicine Physician1437352911
- Thomas Doherty, MDInternal Medicine Physician1992744965
- Caitlin HoeingMedical Physician Assistant1811675101
Verify Eric J. Gertner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD054005LCheck 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 internal medicine physician in 2024
5,757 Medicare Part D claims for 461 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium520 claims
- Lisinopril310 claims
- Amlodipine Besylate290 claims
- Losartan Potassium228 claims
- Levothyroxine Sodium224 claims
- Hydrochlorothiazide201 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 2 group practices
- Lehigh Valley Physician GroupAllentown, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric J. Gertner among 7,300 internal medicine physician records in Pennsylvania
Eric J. Gertner, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2008 among the 4,208 with a school on file
- Record last updated2024 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 internal medicine physician records list a practice address in Allentown
They are 218 of the 5,904 NPPES records with a practice address in Allentown, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Allentown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jon Brndjar, D.O.Allentown, PA 181031477523934
- Ann Brotzman, DOAllentown, PA 181031306801337
- Joseph CandioAllentown, PA 181031104873967
- Amy Collis-Cowitch, MDAllentown, PA 181031356333744
- Thomas Doherty, MDAllentown, PA 181031992744965
- Maria Jones, MDAllentown, PA 181031962458240
- Robert Kovacs, M.D.Allentown, PA 181031558301838
- Thomas Lakata, D.O.Allentown, PA 181031407802580
Common questions
What is Eric J. Gertner, MD's NPI number?
Eric J. Gertner, MD's National Provider Identifier (NPI) is 1427088848, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Gertner, MD located?
The NPPES record lists a practice address at 3080 Hamilton Blvd, Allentown, PA, 18103. Phone: (484) 661-4650. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Gertner, MD's license?
NPPES lists Pennsylvania license number MD054005L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric J. Gertner, MD prescribe under Medicare Part D?
In 2024, Eric J. Gertner, MD had 5,757 Medicare Part D claims for 461 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.