NPI age
20 years
Enumerated 2006-02-02
● Active
Type 1 · Individual
DR. Frank Feigenbaum, M. D.
Feigenbaum is 1 of 366 specialist providers in Dallas and 1 of 4038 in Texas.
Primary specialty
Specialist
Plus 2 subspecialties
Licensed in
TX, MO, KS
3 states
Status
Active
No deactivations on record
Last NPPES update
2022-05-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 4038 active specialist providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
3 states
Top 99% — 0% of peers are multi-state
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-02Enumerated in NPPES
2006
2026
Where they practice
Practice location
4925 Greenville Ave Ste 1307
Dallas, TX 752064026
Mailing address
4925 Greenville Ave Ste 1307
Dallas, TX 752064026
Specialties
-
Specialist PrimaryAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (MO) | 205038003 | |
| 05 (KS) | 100369440A |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new specialist provider has been added in Dallas in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.