Individual
JOHN MARCELIS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
10000 ANNS CHOICE WAY, WARMINSTER, PA 18974-3527
(215) 443-3850
(215) 443-3963
Mailing address
5730 EXECUTIVE DR STE 230, CATONSVILLE, MD 21228-1762
(215) 443-3850
(215) 443-3963
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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