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DR. ROMEO ANG MANDANAS M.D.
NPI 1114974466
Internal Medicine - Hematology & Oncology in Oklahoma City, OK

Active since May 30, 2006PECOS EnrolledAccepts Medicare Assignment
77.69/100
CMS Quality Rating
5915 W. MEMORIAL ROAD, SUITE 200, OKLAHOMA CITY, OK 73142(405) 773-6400(405) 621-5441 Get Directions Write a Review

NPPES record last updated: June 27, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2017, Feb 5, 2016 (2 updates tracked since 2016).

About Dr. Romeo Ang Mandanas M.d. NPPES

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

DR. ROMEO ANG MANDANAS M.D. (NPI 1114974466) is an individual hematology & oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (18541) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1114974466
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ROMEO ANG MANDANASCredential: M.D.
Location Address5915 W. MEMORIAL ROAD, SUITE 200Oklahoma City, OK 73142
Mailing Address5300 N Independence Ave, Suite 280Oklahoma City, OK 73112-5556 · (405) 773-6400 · Fax (405) 621-5441
Phone(405) 773-6400
Fax(405) 621-5441
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateMay 30, 2006
Last NPPES UpdateJune 27, 20172 updates tracked since enumeration
✔ NPI 1114974466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OK · 18541
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 18541 (OK)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 18541 (OK)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 18541 (OK)
5915 W. MEMORIAL ROAD, Oklahoma City, OK 73142
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health and more.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. Romeo Ang Mandanas M.d. 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.

PECOS PAC ID3870563950
PECOS Enrollment IDI20060127000127
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.

Medicare Billing Reassignment

Medicare enrollment records show Romeo Mandanas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Integris Ambulatory Care Corporation
3.1 mi
Family Medicine
3001 QUAIL SPRINGS PKWY
Oklahoma City, OK 73134
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,058 clinicians in this Medicare group
NPI 1750333936 (405) 951-2298

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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
914 services338 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
122 services38 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
72 services72 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
27 services27 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370028
Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County
Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County
Emergency services Birthing friendly

Integris Southwest Medical Center

Acute Care Hospitals · Oklahoma City, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370106
Location4401 South Western AvenueOklahoma City, OK 73109 · Oklahoma County
Emergency services Birthing friendly

Integris Canadian Valley Hospital

Acute Care Hospitals · Yukon, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370211
Location1201 Health Center ParkwayYukon, OK 73099 · Canadian County
Emergency services Birthing friendly

Integris Health Edmond Hospital

Acute Care Hospitals · Edmond, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370236
Location4801 Integris ParkwayEdmond, OK 73034 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73142 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.

77.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.52
Promoting Interoperability100
Improvement Activities40
Cost43.13

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 Romeo Mandanas's NPI number?

The NPI number for Romeo Mandanas is 1114974466. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Romeo Mandanas located?

Romeo Mandanas practices at 5915 W. Memorial Road Suite 200, Oklahoma City, OK 73142. The listed phone number is (405) 773-6400.

What is Romeo Mandanas's specialty?

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

Is Romeo Mandanas enrolled in Medicare?

Yes. Romeo Mandanas 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 organization bills Medicare for Romeo Mandanas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Romeo Mandanas reassigns Medicare benefits to Integris Ambulatory Care Corporation (Oklahoma City, OK). The 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 Romeo Mandanas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Romeo Mandanas accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health and UnitedHealthcare list Romeo Mandanas 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.

Is Romeo Mandanas affiliated with any hospitals?

According to CMS data, Romeo Mandanas is affiliated with Integris Baptist Medical Center, Inc, O U Medical Center, Integris Southwest Medical Center, Integris Canadian Valley Hospital and Integris Health Edmond Hospital.

When was this NPI record last updated?

The NPPES record for Romeo Mandanas was last updated on June 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.