Cathy Mercaldi, M.D.
Child & Adolescent Psychiatry Physician · Philadelphia, PA
Cathy Mercaldi, M.D. is a child & adolescent psychiatry physician with a practice address in Philadelphia, Pennsylvania, and NPI 1659472793, issued on Sep 25, 2006. Check the license (Pennsylvania MD063804L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Cathy Mercaldi
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- MD063804L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3440 Market St, Philadelphia, PA 19104
- Phone
- (215) 590-7555
- Enumerated
- Sep 25, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (215) 590-7387
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 398 in Pennsylvania → Look up another NPI →
Also registered at 3440 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Aspden, MDChild & Adolescent Psychiatry Physician1417176686
- Rossana Avelino, M.D.Child & Adolescent Psychiatry Physician1457464489
- Tami Benton, M.D.Child & Adolescent Psychiatry Physician1023118171
- Karin Borgmann-Winter, M.D.Child & Adolescent Psychiatry Physician1477666378
- Rhonda Boyd, PH.D.Clinical Psychologist1922113497
- Angela Clarke, PH.D.Psychologist1801901384
Verify Cathy Mercaldi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD063804LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
27 Medicare Part D claims, against an average of 504 among the 3,545 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.
Cathy Mercaldi among 398 child & adolescent psychiatry physician records in Pennsylvania
Cathy Mercaldi, M.D. is one of 398 child & adolescent psychiatry physician records with a practice address in Pennsylvania. 57% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 70% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Pennsylvania
There are 398 child & adolescent psychiatry physician records in Pennsylvania.
All 398 in Pennsylvania → Every provider in Philadelphia → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Rossana Avelino, M.D.Philadelphia, PA 191041457464489
- Tami Benton, M.D.Philadelphia, PA 191041023118171
- Karin Borgmann-Winter, M.D.Philadelphia, PA 191041477666378
- Marian Callaghan, M.D.Philadelphia, PA 191041861572083
- Aurora Casta, MDPhiladelphia, PA 191041235169897
- Harriet Gross, M.D.Phila, PA 191041891838637
- Frank James, MD JDPhiladelphia, PA 191041881798437
- Sarosh Khalid-Khan, MDPhiladelphia, PA 191041972533024
Common questions
What is Cathy Mercaldi, M.D.'s NPI number?
Cathy Mercaldi, M.D.'s National Provider Identifier (NPI) is 1659472793, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Mercaldi, M.D. located?
The NPPES record lists a practice address at 3440 Market St, Philadelphia, PA, 19104. Phone: (215) 590-7555. Providers update this record themselves, so call before visiting.
How can I verify Cathy Mercaldi, M.D.'s license?
NPPES lists Pennsylvania license number MD063804L, 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 Cathy Mercaldi, M.D. prescribe under Medicare Part D?
In 2024, Cathy Mercaldi, M.D. had 27 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.