Individual
JOHN MARCELIS
Active
Individual
JOHN MARCELIS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
MD045170E
PA
207RG0300X
Geriatric Medicine (Internal Medicine) Physician
Primary
MD045170E
PA
207RG0300X
Geriatric Medicine (Internal Medicine) Physician
NJDCATEMP-025750
NJ
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0409465
EVERCARE
—
01
—
0417057000
KEYSTONE MCO
PA
01
—
594706
HIGHMARK BCBS
—
01
—
SE1562914
HIGHMARK BLE SHIELD
PA
Enumeration date
07/07/2006
Last updated
02/26/2026
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