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DR. RAMESH K RAMANATHAN MD
NPI 1427023548
Internal Medicine - Hematology & Oncology in Scottsdale, AZ

Active since February 22, 2006PECOS EnrolledAccepts Medicare Assignment
8880 E DESERT COVE AVE, SCOTTSDALE, AZ 85260(480) 314-6670(480) 257-1997 Get Directions Write a Review

NPPES record last updated: July 26, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 26, 2023, May 11, 2018 (2 updates tracked since 2018).

About Dr. Ramesh K Ramanathan Md NPPES

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

DR. RAMESH K RAMANATHAN MD (NPI 1427023548) is an individual hematology & oncology provider in Scottsdale, Arizona, licensed in Arizona (36543) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1427023548
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. RAMESH K RAMANATHANCredential: MD
Location Address8880 E DESERT COVE AVEScottsdale, AZ 85260-6746
Mailing AddressPo Box 6423Chandler, AZ 85246-6423 · (480) 245-6286 · Fax (480) 398-8070
Phone(480) 314-6670
Fax(480) 257-1997
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateFebruary 22, 2006
Last NPPES UpdateJuly 26, 20232 updates tracked since enumeration
NPPES CertifiedJuly 26, 2023
✔ NPI 1427023548 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 AZ · 36543
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.
8880 E DESERT COVE AVE, Scottsdale, AZ 85260
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona 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. Ramesh K Ramanathan 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.

PECOS PAC ID2466559273
PECOS Enrollment IDI20070511000535
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 Ramesh Ramanathan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ironwood Physicians, PC
16 mi
Hematology & Oncology
6111 E ARBOR AVE
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 148 clinicians in this Medicare group
NPI 1851912158 (480) 981-1326

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85260 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
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Other Providers at the Same Location NPPES 20

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

IRONWOOD PHYSICIANS, PC
Internal Medicine (Hematology & Oncology)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
AMY L PANG R.D.
Dietitian, Registered
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
KEEGAN ASHLEY RUSSELL FNP-C
Nurse Practitioner (Family)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
DR. RAKESH KUMAR BAGAI M.D.
Internal Medicine (Hematology & Oncology)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
SONIA QUINONEZ-NAVA NP
Nurse Practitioner (Gerontology)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
DR. AARON A AMBRAD MD
Radiology (Radiation Oncology)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
DIANE C RECINE MD
Radiology (Radiation Oncology)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 314-6670
JACLYN BEAM
Nurse Practitioner (Family)
8880 E DESERT COVE AVE
SCOTTSDALE, AZ 85260
Maricopa County (480) 204-0380

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 Ramesh Ramanathan's NPI number?

The NPI number for Ramesh Ramanathan is 1427023548. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is Ramesh Ramanathan located?

Ramesh Ramanathan practices at 8880 E Desert Cove Ave, Scottsdale, AZ 85260. The listed phone number is (480) 314-6670.

What is Ramesh Ramanathan's specialty?

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

Is Ramesh Ramanathan enrolled in Medicare?

Yes. Ramesh Ramanathan 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 Ramesh Ramanathan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramesh Ramanathan reassigns Medicare benefits to Ironwood Physicians, PC (Mesa, AZ). 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 Ramesh Ramanathan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ramesh Ramanathan accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Ramesh Ramanathan 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 Ramesh Ramanathan was last updated on July 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.