NPPES file of Aug 9, 2026

Michael J. Ruckenstein, MD

Otolaryngology Physician · Philadelphia, PA

Michael J. Ruckenstein, MD is an otolaryngology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1558307504, issued on Jun 20, 2006. Check the license (Pennsylvania MD064872L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558307504
Name
Michael J. Ruckenstein
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
MD064872L PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce St, Philadelphia, PA 19104
Phone
(215) 662-2777
Enumerated
Jun 20, 2006
Record last updated
Mar 31, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
0016876270001 PA
Medicare enrollment
Enrolled (PECOS I20050519000843); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3400 Spruce St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Megan Abbott, CRNPNurse Practitioner1396771689
  2. Michael Abboud, MDEmergency Medicine Physician1962820852
  3. Emily AbdelmessihPediatric Pharmacist1891612560
  4. Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
  5. Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
  6. Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973

Verify Michael J. Ruckenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD064872L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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58% fewer Medicare Part D claims than the average otolaryngology physician in 2024

225 Medicare Part D claims for 107 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Michael Ruckenstein225
  2. Specialty average541

Most prescribed

  1. Ciprofloxacin-Dexamethasone43 claims
  2. Ofloxacin25 claims
  3. Amitriptyline Hcl22 claims
  4. Meclizine Hcl21 claims
  5. Duloxetine Hcl16 claims
  6. Tobramycin-Dexamethasone16 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupRadnor, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael J. Ruckenstein among 531 otolaryngology physician records in Pennsylvania

Michael J. Ruckenstein, 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 53% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1986 · median 2002 among the 355 with a school on file
  • Record last updated2011 · 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.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Soo Abboud, MDPhiladelphia, PA 191041821033440
  2. Devraj Basu, MDPhiladelphia, PA 191041053348367
  3. Douglas Bigelow, MDPhiladelphia, PA 191041801821608
  4. Ara Chalian, MDPhiladelphia, PA 191041588699482
  5. Steven Chesnick, M.D.Philadelphia, PA 191041487617478
  6. Donald Farwell, M.D.Philadelphia, PA 191041972587525
  7. David Kennedy, MDPhiladelphia, PA 191041528090644
  8. Daqing Li, MDPhiladelphia, PA 191041699703710

Common questions

What is Michael J. Ruckenstein, MD's NPI number?

Michael J. Ruckenstein, MD's National Provider Identifier (NPI) is 1558307504, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Ruckenstein, MD located?

The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-2777. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Ruckenstein, MD's license?

NPPES lists Pennsylvania license number MD064872L, 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 Michael J. Ruckenstein, MD prescribe under Medicare Part D?

In 2024, Michael J. Ruckenstein, MD had 225 Medicare Part D claims for 107 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Michael J. Ruckenstein, MD's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.