Mark A. Posner, MD
Allergy & Immunology Physician · Blue Bell, PA
Mark A. Posner, MD is an allergy & immunology physician with a practice address in Blue Bell, Pennsylvania, and NPI 1508869637, issued on May 23, 2005. Check the license (Pennsylvania MD041379L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark A. Posner
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD041379L PA
Self-reported in NPPES; status is on the state search - Practice location
- 470 Sentry Pkwy E, Blue Bell, PA 19422
- Phone
- (610) 825-5800
- Enumerated
- May 23, 2005
- Record last updated
- Mar 28, 2022
- Fax
- (610) 397-0980
- Medicare enrollment
- Enrolled (PECOS I20100610000104); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1985
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 183 in Pennsylvania → Look up another NPI →
Also registered at 470 Sentry Pkwy E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Anolik, MDAllergy & Immunology Physician1497758536
- Sandhya Desai, M.D.Allergy & Immunology Physician1528082872
- Matthew Fogg, MDAllergy & Immunology Physician1114920220
- Eva Jakabovics, MDAllergy & Immunology Physician1861495988
- Anjana Khuntia, MDAllergy & Immunology Physician1467502401
- Mark Lepore, MDAllergy & Immunology Physician1336142454
Verify Mark A. Posner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD041379LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,178 Medicare Part D claims for 202 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Montelukast Sodium211 claims
- Azelastine Hcl131 claims
- Albuterol Sulfate Hfa89 claims
- Fluticasone Propionate77 claims
- Fluticasone-Salmeterol55 claims
- Famotidine53 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: $2,271.47
95 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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 one group practice
- Psf PLLCBlue Bell, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Posner among 183 allergy & immunology physician records in Pennsylvania
Mark A. Posner, MD is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% 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, 79% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2000 among the 109 with a school on file
- Record last updated2022 · 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 207K00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 allergy & immunology physician records list a practice address in Blue Bell
They are 16 of the 494 NPPES records with a practice address in Blue Bell, and 183 allergy & immunology physician records in Pennsylvania.
All 183 in Pennsylvania → Every provider in Blue Bell → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Niti AgarwalBlue Bell, PA 194221336465343
- Robert Anolik, MDBlue Bell, PA 194221497758536
- Sandhya Desai, M.D.Blue Bell, PA 194221528082872
- Matthew Fogg, MDBlue Bell, PA 194221114920220
- Eva Jakabovics, MDBlue Bell, PA 194221861495988
- Anjana Khuntia, MDBlue Bell, PA 194221467502401
- David Krause, MDBlue Bell, PA 194221508122284
- Mark Lepore, MDBlue Bell, PA 194221336142454
Common questions
What is Mark A. Posner, MD's NPI number?
Mark A. Posner, MD's National Provider Identifier (NPI) is 1508869637, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Posner, MD located?
The NPPES record lists a practice address at 470 Sentry Pkwy E, Blue Bell, PA, 19422. Phone: (610) 825-5800. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Posner, MD's license?
NPPES lists Pennsylvania license number MD041379L, 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 Mark A. Posner, MD prescribe under Medicare Part D?
In 2024, Mark A. Posner, MD had 1,178 Medicare Part D claims for 202 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.