William S. Isaacson, MD
Interventional Pain Medicine Physician · Havertown, PA
William S. Isaacson, MD is an interventional pain medicine physician with a practice address in Havertown, Pennsylvania, and NPI 1164417648, issued on Sep 12, 2005. Check the license (Pennsylvania MD029698E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William S. Isaacson
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- MD029698E PA
Self-reported in NPPES; status is on the state search - Practice location
- 2010 Old West Chester Pike, Havertown, PA 19083
- Phone
- (610) 789-8070
- Enumerated
- Sep 12, 2005
- Record last updated
- Oct 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (610) 789-9937
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 65 in Pennsylvania → Look up another NPI →
Also registered at 2010 Old West Chester Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marylouise Caneda, CRNACertified Registered Nurse Anesthetist1043207087
- Yevgeny Chernyak, MDAnesthesiology Physician1699761247
- Jessica Collins, CRNACertified Registered Nurse Anesthetist1083600639
Verify William S. Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD029698ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
16 Medicare Part D claims, against an average of 2,306 among the 2,100 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.
William S. Isaacson among 65 interventional pain medicine physician records in Pennsylvania
William S. Isaacson, MD is one of 65 interventional pain medicine physician records with a practice address in Pennsylvania. 88% 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, 80% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2011 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Pennsylvania
There are 65 interventional pain medicine physician records in Pennsylvania.
All 65 in Pennsylvania → Every provider in Havertown → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Shailen Jalali, MDHavertown, PA 190831427021351
- Neil Anand, MDWillow Grove, PA 190901982626818
- Evan Frank, MD PHDWynnewood, PA 190961356383368
- Rishin Patel, MDWynnewood, PA 190961679773006
- James Bresnahan, M.D.Springfield, PA 190641184159717
- M Gouda, MDPhiladelphia, PA 191151831197946
- Obioma Iro-Nwokeukwu, M.D..Philadelphia, PA 191191770556847
- Michelle Francavilla, M.D.Philadelphia, PA 191241831325455
Common questions
What is William S. Isaacson, MD's NPI number?
William S. Isaacson, MD's National Provider Identifier (NPI) is 1164417648, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William S. Isaacson, MD located?
The NPPES record lists a practice address at 2010 Old West Chester Pike, Havertown, PA, 19083. Phone: (610) 789-8070. Providers update this record themselves, so call before visiting.
How can I verify William S. Isaacson, MD's license?
NPPES lists Pennsylvania license number MD029698E, 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 William S. Isaacson, MD prescribe under Medicare Part D?
In 2024, William S. Isaacson, MD had 16 Medicare Part D claims; the average among interventional pain medicine physician prescribers was 2,306. 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.