DR. ALLEN R DENNIS JR. MD
NPI 1598866790
Internal Medicine in Hollywood, FL
About Dr. Allen R Dennis Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLEN R DENNIS JR. MD (NPI 1598866790) is an individual internal medicine provider in Hollywood, Florida, licensed in Texas (P4155) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ft Worth, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Allen R Dennis Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
11Medicare enrollment records show Allen Dennis reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
North Miami Beach, FL 33169
- Reassigned Medicare billing, Florida enrollment
- 71 clinicians in this Medicare group
Miami Gardens, FL 33169
- Reassigned Medicare billing, Florida enrollment
- 221 clinicians in this Medicare group
Macon, GA 31210
- Reassigned Medicare billing, Georgia enrollment
- 635 clinicians in this Medicare group
Atlanta, GA 30331
- Reassigned Medicare billing, Georgia enrollment
- 16 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Terre Haute, IN 47804
- Reassigned Medicare billing, Indiana enrollment
- 384 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 994 clinicians in this Medicare group
Goshen, IN 46526
- Reassigned Medicare billing, Indiana enrollment
- 172 clinicians in this Medicare group
Abilene, TX 79601
- Reassigned Medicare billing, Texas enrollment
- 140 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33023 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOLLYWOOD, FL 33023
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Allen Dennis's NPI number?
The NPI number for Allen Dennis is 1598866790. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Allen Dennis located?
Allen Dennis practices at 390 S State Road 7, Hollywood, FL 33023. The listed phone number is (954) 743-5522.
What is Allen Dennis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Allen Dennis enrolled in Medicare?
Yes. Allen Dennis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Allen Dennis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allen Dennis reassigns Medicare benefits to 11 organizations: Aids Healthcare Foundation (North Miami Beach, FL), Chen Neighborhood Medical Centers Of South Florida, LLC (Miami Gardens, FL), Cogent Healthcare Of Georgia PC (Macon, GA), D L Murray MD PC (Atlanta, GA), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allen Dennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allen Dennis accept?
Health plans from Blue Cross and Blue Shield of Texas list Allen Dennis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Allen Dennis was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Allen R Dennis Jr., MD · NPI 1598866790
Internal Medicine physician in Hollywood, Florida. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1598866790 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** P4155 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 390 S STATE ROAD 7, Hollywood, FL 33023-6718
- **Phone:** (954) 743-5522 · **Fax:** (954) 743-5632
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Aids Healthcare Foundation (NPI 1427218874, North Miami Beach, FL); Chen Neighborhood Medical Centers Of South Florida, LLC (NPI 1881024800, Miami Gardens, FL); Cogent Healthcare Of Georgia PC (NPI 1609827823, Macon, GA); D L Murray MD PC (NPI 1720379696, Atlanta, GA); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** September 17, 2026
- **Other identifiers:** Medicaid 1573078 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1598866790) · Data from the CMS NPPES public registry.