1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Surgery
  6. NPI Profile

DIPAK BALAJI RAMKUMAR M.D.
NPI 1639412976
Surgery - Surgical Oncology in Phoenix, AZ

Active since April 05, 2013PECOS EnrolledAccepts Medicare Assignment
91.41/100
CMS Quality Rating
500 W THOMAS RD STE 800, PHOENIX, AZ 85013(602) 406-1234(602) 406-6368 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2025, Feb 5, 2025, Jan 17, 2023 and 2 more (5 updates tracked since 2019).

About Dipak Balaji Ramkumar M.d. NPPES

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

DIPAK BALAJI RAMKUMAR M.D. (NPI 1639412976) is an individual surgical oncology provider in Phoenix, Arizona, licensed in Arizona (74223) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital- Laconia, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1639412976
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameDIPAK BALAJI RAMKUMARCredential: M.D.
Location Address500 W THOMAS RD STE 800Phoenix, AZ 85013-4217
Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358
Phone(602) 406-1234
Fax(602) 406-6368
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 5, 2013
Last NPPES UpdateSeptember 9, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
✔ NPI 1639412976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License✔ Licensed in AZ · 74223
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 74223 (AZ)
500 W THOMAS RD STE 800, Phoenix, AZ 85013
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1485 S Dobson Rd Ste 110Chandler, AZ 85224-5600 · Phone (480) 728-4470 · Fax (480) 728-4499
Location 21001 Willow Creek Rd Ste 1300Prescott, AZ 86301-1614 · Phone (928) 708-4554 · Fax (928) 458-2108
Location 33262 N Windsong Dr Ste BPrescott Valley, AZ 86314-2255 · Phone (928) 708-4554 · Fax (928) 458-2107

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Taro 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

Dipak Balaji Ramkumar 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 ID3870890809
PECOS Enrollment IDI20220708001535, I20241226000598
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 Reassignments

9

Medicare enrollment records show Dipak Ramkumar reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Joseph's Hospital And Medical Center
Same address
Emergency Care
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 126 clinicians in this Medicare group
NPI 1255382412 (602) 406-3000
Sjhmc Physician Services
0.1 mi
Multi-Specialty
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 773 clinicians in this Medicare group
NPI 1326098005 (602) 406-3729
Chandler Regional Medical Center
17 mi
Emergency Care
1955 W FRYE ROAD
Chandler, AZ 85224
  • Reassigned Medicare billing, Arizona enrollment
  • 101 clinicians in this Medicare group
NPI 1871910968 (480) 728-4700
Yavapai Community Hospital Association
78 mi
General Acute Care Hospital
7700 E FLORENTINE RD
Prescott Valley, AZ 86314
  • Reassigned Medicare billing, Arizona enrollment
  • 83 clinicians in this Medicare group
NPI 1871534487 (928) 445-2700
Yavapai Regional Medical Center Physician Care LLC
78 mi
Cardiovascular Disease
1001 WILLOW CREEK RD STE 2200
Prescott, AZ 86301
  • Reassigned Medicare billing, Arizona enrollment
  • 138 clinicians in this Medicare group
NPI 1528394830 (928) 445-6025
Concord Hospital-Franklin
2,273 mi
Critical Access
15 AIKEN AVE
Franklin, NH 03235
  • Reassigned Medicare billing, New Hampshire enrollment
  • 209 clinicians in this Medicare group
NPI 1700960895 (903) 934-2060
Concord Hospital-Laconia
2,283 mi
Family Medicine
85 SPRING ST
Laconia, NH 03246
  • Reassigned Medicare billing, New Hampshire enrollment
  • 409 clinicians in this Medicare group
NPI 1053993741 (603) 524-3211
Lahey Clinic, Inc
2,305 mi
Internal Medicine
1 ESSEX CENTER DR
Peabody, MA 01960
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,841 clinicians in this Medicare group
NPI 1063447316 (781) 744-8000
Physicians Of Cape Cod Hospital
2,339 mi
Neuroradiology
27 PARK ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 678 clinicians in this Medicare group
NPI 1679832364 (508) 957-8667

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 8

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.
105 services77 patients
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.
40 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
39 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services25 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.
22 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 patients

Hospital Affiliations CMS Care Compare

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

Concord Hospital- Laconia

Acute Care Hospitals · Laconia, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300005
Location80 Highland StLaconia, NH 03246 · Belknap County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 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
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
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.

91.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality76.87
Promoting Interoperability100
Improvement Activities40

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.

PAULO CASTANEDA MD
Orthopaedic Surgery (Orthopaedic Trauma)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
NICHOLAS CAVARETTA PA-C
Physician Assistant (Surgical)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
JASON APFEL PA-C
Physician Assistant (Surgical)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
DR. SCOTT MICHAEL EASLEY M.D.
Family Medicine (Sports Medicine)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
ANDREW LOREN BLOUNT MD
Surgery
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
MARK WYMA PA-C
Physician Assistant (Surgical)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
COLBY VAN HALE PA-C
Physician Assistant (Surgical)
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234
MARY STYREN
Physician Assistant
500 W THOMAS RD STE 800
PHOENIX, AZ 85013
Maricopa County (602) 406-1234

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 Dipak Ramkumar's NPI number?

The NPI number for Dipak Ramkumar is 1639412976. It was assigned to this individual provider in the NPPES registry on April 5, 2013.

Where is Dipak Ramkumar located?

Dipak Ramkumar practices at 500 W Thomas Rd Ste 800, Phoenix, AZ 85013. The listed phone number is (602) 406-1234.

What is Dipak Ramkumar's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Dipak Ramkumar enrolled in Medicare?

Yes. Dipak Ramkumar 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 Dipak Ramkumar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dipak Ramkumar reassigns Medicare benefits to 9 organizations: St. Joseph's Hospital And Medical Center (Phoenix, AZ), Sjhmc Physician Services (Phoenix, AZ), Chandler Regional Medical Center (Chandler, AZ), Yavapai Community Hospital Association (Prescott Valley, AZ), Yavapai Regional Medical Center Physician Care LLC (Prescott, AZ) and 4 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 Dipak Ramkumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dipak Ramkumar accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Taro Health and WellSense Health Plan list Dipak Ramkumar 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 Dipak Ramkumar affiliated with any hospitals?

According to CMS data, Dipak Ramkumar is affiliated with Concord Hospital- Laconia.

When was this NPI record last updated?

The NPPES record for Dipak Ramkumar was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.