Registry data as of Aug 27, 2026

Christine Cassel, MD

Dermatology Physician · Hummelstown, PA

Christine Cassel, MD is a dermatology physician with a practice address in Hummelstown, Pennsylvania, and NPI 1922062132, issued on Apr 14, 2006. Check the license (Pennsylvania MD421184, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922062132
Name
Christine Cassel
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
MD421184 PA
Self-reported in NPPES; status is on the state search
Practice location
530 Walton Ave, Hummelstown, PA 17036
Phone
(717) 566-6633
Enumerated
Apr 14, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Christine Cassel 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 MD421184
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

40% more Medicare Part D claims than the average dermatology physician in 2024

1,118 Medicare Part D claims for 415 beneficiaries, against an average of 799 among the 11,754 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Christine Cassel1,118
  2. Specialty average799

Most prescribed

  1. Doxycycline Hyclate142 claims
  2. Ketoconazole126 claims
  3. Clobetasol Propionate124 claims
  4. Triamcinolone Acetonide118 claims
  5. Valacyclovir45 claims
  6. Spironolactone44 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 Medicare quality score for 2023: 96.9 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 score93.9
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  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: $1,628.85

81 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 9,431 providers of this specialty with any payment received $8,593.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christine Cassel$1,628.85
  2. Specialty average$8,593.06

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

Dermatology Physician providers in Pennsylvania

There are 629 dermatology physician records in Pennsylvania.

Other dermatology physician records in Pennsylvania

  1. Mark Abdelmalek, M.D.Philadelphia, PA1972543155
  2. Debra Abell, MDWexford, PA1558442525
  3. Barry Abraham, MDPenn Valley, PA1811072606
  4. Nina Abraham, MDHaverford, PA1255593422
  5. Katrina Abuabara, MDPhiladelphia, PA1558689216
  6. David Adams, MDHershey, PA1215991427
  7. Preetha Agarwal, MDPittsburgh, PA1558927970
  8. George Ainsworth, MDWest Lawn, PA1851397814
  9. Oleg Akilov, M.D., PH.D.Pittsburgh, PA1316274590
  10. Ali Alajmi, MD , FRCPC , FAADArdmore, PA1760172522

Common questions

What is Christine Cassel, MD's NPI number?

Christine Cassel, MD's National Provider Identifier (NPI) is 1922062132, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christine Cassel, MD located?

The NPPES record lists a practice address at 530 Walton Ave, Hummelstown, PA, 17036. Phone: (717) 566-6633. Providers update this record themselves, so call before visiting.

How can I verify Christine Cassel, MD's license?

NPPES lists Pennsylvania license number MD421184, 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 Christine Cassel, MD prescribe under Medicare Part D?

In 2024, Christine Cassel, MD had 1,118 Medicare Part D claims for 415 beneficiaries; the average among dermatology physician prescribers was 799. Part D covers Medicare prescriptions only.

What is Christine Cassel, MD's Medicare quality score?

The 2023 MIPS final score is 96.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.