DR. CHARLES W HOLLEN M.D.
NPI 1205855723
Internal Medicine - Hematology & Oncology in Oklahoma City, OK

Active since July 18, 2006PECOS Enrolled
0/100
CMS Quality Rating
3525 NW 56TH ST, SUITE D 100, OKLAHOMA CITY, OK 73112(405) 942-9200(405) 949-1483 Get Directions Write a Review

NPPES record last updated: December 4, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charles W Hollen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES W HOLLEN M.D. (NPI 1205855723) is an individual hematology & oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (15779) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205855723
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. CHARLES W HOLLENCredential: M.D.
Location Address3525 NW 56TH ST, SUITE D 100Oklahoma City, OK 73112-4550
Mailing Address3525 Nw 56th St, Suite D 100Oklahoma City, OK 73112-4550 · (405) 942-9200 · Fax (405) 949-1483
Fax(405) 949-1483
Sole ProprietorNo
Enumeration DateJuly 18, 2006
Last NPPES UpdateDecember 4, 2009
NPI 1205855723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in OK · 15779
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
3525 NW 56TH ST, Oklahoma City, OK 73112

Other Identifiers 3

Medicare UPINE11801OK
Medicare ID-Type Unspecified244307802OK
Medicaid100124400AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Charles W Hollen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$162.61 typical visit price
range $53.00 – $162.61
Typical copayment $40.65 (range $13.25 – $40.65)
Most-billed visit code 99205
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
2 suppliers13 claims52 services$31.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Audiologist-Hearing Aid Fitter
3525 NW 56TH ST, STE 150A
OKLAHOMA CITY, OK 73112
Internal Medicine (Medical Oncology)
3525 NW 56TH ST, SUITE D100
OKLAHOMA CITY, OK 73112
Clinic/Center (Medical Specialty)
3525 NW 56TH ST, C100
OKLAHOMA CITY, OK 73112
Internal Medicine (Hematology & Oncology)
3525 NW 56TH ST
OKLAHOMA CITY, OK 73112
Audiologist
3525 NW 56TH ST, A-150
OKLAHOMA CITY, OK 73112
Speech-Language Pathologist
3525 NW 56TH ST, A-150
OKLAHOMA CITY, OK 73112
Speech-Language Pathologist
3525 NW 56TH ST, A-150
OKLAHOMA CITY, OK 73112
Speech-Language Pathologist
3525 NW 56TH ST, A-150
OKLAHOMA CITY, OK 73112

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 Charles Hollen's NPI number?

The NPI number for Charles Hollen is 1205855723. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Charles Hollen located?

Charles Hollen practices at 3525 NW 56th St Suite D 100, Oklahoma City, OK 73112. The listed phone number is (405) 942-9200.

What is Charles Hollen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Charles Hollen enrolled in Medicare?

Yes. Charles Hollen is registered in the Medicare PECOS enrollment system.

What insurance does Charles Hollen accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Charles Hollen 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 Charles Hollen was last updated on December 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.