Individual
DR. SYDNEY WELT
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
2025-03841
NC
207RX0202X
Medical Oncology Physician
140383-1
NY
207RX0202X
Medical Oncology Physician
Primary
2025-03841
NC
207RX0202X
Medical Oncology Physician
MD423962
PA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
00684840
—
NY
05
—
1010267840001
—
PA
05
—
1740256809
—
NC
01
—
CC8362
RR MEDICARE GROUP
NY
01
—
CC9269
RR MEDICARE GROUP
PA
01
—
GU039841
PA MEDICARE GROUP
PA
01
—
P00098799
RR MEDICARE PIN
NY
01
—
P00337163
RR MEDICARE PIN
PA
Enumeration date
02/27/2006
Last updated
05/05/2026
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