NPPES file of Aug 9, 2026

Michael Kenneth Rosenthal, D.O.

Dermatology Physician · Wilmington, DE

Michael Kenneth Rosenthal, D.O. is a dermatology physician with a practice address in Wilmington, Delaware, and NPI 1487744421, issued on Oct 13, 2006. Check the license (Delaware C2-0006433, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1487744421
Name
Michael Kenneth Rosenthal
Credential
D.O.
Primary taxonomy
Dermatology Physician 207N00000X
License number
C2-0006433 DE
Self-reported in NPPES; status is on the state search
Practice location
2300 Pennsylvania Ave, Wilmington, DE 19806
Phone
(302) 652-3469
Enumerated
Oct 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(302) 652-7102
Medicaid ID
1000030201 DE
Medicare enrollment
Enrolled (PECOS I20040721001580); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1998
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 2300 Pennsylvania Ave

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

  1. Samuel Blumberg, PH.D.Clinical Psychologist1942397955
  2. Lauren Bogdan, MDOtolaryngology Physician1659767028
  3. Michele Broder, DMDPeriodontics1023036910
  4. Joseph Bryer, M.D.Psychiatry Physician1619904331
  5. Robert Cohn, M.D.Psychiatry Physician1346315504
  6. Denise CunhaClinical Psychologist1942302724

Verify Michael Kenneth Rosenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C2-0006433
    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 Delaware license search

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2.5 times the Medicare Part D claims of the average dermatology physician in 2024

2,006 Medicare Part D claims for 588 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Michael Rosenthal2,006
  2. Specialty average797

Most prescribed

  1. Hydrocortisone229 claims
  2. Ketoconazole185 claims
  3. Triamcinolone Acetonide142 claims
  4. Clobetasol Propionate139 claims
  5. Minoxidil124 claims
  6. Dupixent Pen109 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 MIPS final score for 2023 (Medicare payment program): 96.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score100.0
  2. Costout of 100 · 30%89.0
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,304.83

151 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Rosenthal$3,304.83
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michael Kenneth Rosenthal among 27 dermatology physician records in Delaware

Michael Kenneth Rosenthal, D.O. is one of 27 dermatology physician records with a practice address in Delaware. 70% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1998 · median 2005 among the 18 with a school on file
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Delaware

There are 27 dermatology physician records in Delaware.

The 8 dermatology physician records with the nearest ZIP codes

  1. Paul Sica, M.D.Wilmington, DE 198061659694511
  2. Patricia Richards, MDWilmington, DE 198051063682078
  3. Richard Bonder, M.D.Wilmington, DE 198081932105194
  4. Chloe Payne, M.D.Wilmington, DE 198101083054928
  5. Marguerite Thew, MDWilmington, DE 198101144255647
  6. Eric Oliet, MDWilmington, DE 198011699785451
  7. Hannah Anderson, MDNewark, DE 197131265992754
  8. Kiera Booth, MDNewark, DE 197131184006835

Common questions

What is Michael Kenneth Rosenthal, D.O.'s NPI number?

Michael Kenneth Rosenthal, D.O.'s National Provider Identifier (NPI) is 1487744421, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Kenneth Rosenthal, D.O. located?

The NPPES record lists a practice address at 2300 Pennsylvania Ave, Wilmington, DE, 19806. Phone: (302) 652-3469. Providers update this record themselves, so call before visiting.

How can I verify Michael Kenneth Rosenthal, D.O.'s license?

NPPES lists Delaware license number C2-0006433, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Kenneth Rosenthal, D.O. prescribe under Medicare Part D?

In 2024, Michael Kenneth Rosenthal, D.O. had 2,006 Medicare Part D claims for 588 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Michael Kenneth Rosenthal, D.O.'s MIPS final score?

The 2023 MIPS final score is 96.7 of 100. 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.