Glenn C. Isaacson, MD
Otolaryngology Physician · Philadelphia, PA
Glenn C. Isaacson, MD is an otolaryngology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1104814078, issued on Oct 13, 2005. Check the license (Pennsylvania MD030568E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Glenn C. Isaacson
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- MD030568E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3509 N Broad St, Philadelphia, PA 19140
- Phone
- (215) 707-7300
- Enumerated
- Oct 13, 2005
- Record last updated
- May 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 707-6417
- Medicaid ID
- 0011396520001 PA
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 531 in Pennsylvania → Look up another NPI →
Also registered at 3509 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Glenn C. Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD030568ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average otolaryngology physician in 2024
14 Medicare Part D claims, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
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.
Glenn C. Isaacson among 531 otolaryngology physician records in Pennsylvania
Glenn C. Isaacson, MD is one of 531 otolaryngology physician records with a practice address in Pennsylvania. 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, 90% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Pennsylvania
There are 531 otolaryngology physician records in Pennsylvania.
All 531 in Pennsylvania → Every provider in Philadelphia → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Alexander Duffy, MDPhiladelphia, PA 191401639732464
- Rachel Georgopoulos, M.D.Philadelphia, PA 191401760745442
- John Krouse, M.D.Philadelphia, PA 191401619914603
- Jeffrey Liu, MDPhiladelphia, PA 191401679732796
- Caitlin McLean, M.D.Philadelphia, PA 191401164694048
- Nicole MolinPhiladelphia, PA 191401497249676
- Weston Niermeyer, MDPhiladelphia, PA 191401831728609
- Natasha Pollak, MDPhiladelphia, PA 191401700980984
Common questions
What is Glenn C. Isaacson, MD's NPI number?
Glenn C. Isaacson, MD's National Provider Identifier (NPI) is 1104814078, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Glenn C. Isaacson, MD located?
The NPPES record lists a practice address at 3509 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-7300. Providers update this record themselves, so call before visiting.
How can I verify Glenn C. Isaacson, MD's license?
NPPES lists Pennsylvania license number MD030568E, 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 Glenn C. Isaacson, MD prescribe under Medicare Part D?
In 2024, Glenn C. Isaacson, MD had 14 Medicare Part D claims; the average among otolaryngology physician prescribers was 541. 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.