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CHAITALI NANGIA MD
NPI 1669425286
Internal Medicine - Hematology & Oncology in Costa Mesa, CA

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
84.41/100
CMS Quality Rating
1640 NEWPORT BLVD STE 370, COSTA MESA, CA 92627(949) 288-5701(949) 629-3806 Get Directions Write a Review

NPPES record last updated: July 26, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Chaitali Nangia Md NPPES

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

CHAITALI NANGIA MD (NPI 1669425286) is an individual hematology & oncology provider in Costa Mesa, California, licensed in California (CA54781) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1669425286
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameCHAITALI NANGIACredential: MD
Location Address1640 NEWPORT BLVD STE 370Costa Mesa, CA 92627-7738
Mailing Address1640 Newport Blvd Ste 370Costa Mesa, CA 92627-7738 · (949) 288-5701
Phone(949) 288-5701
Fax(949) 629-3806
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 26, 2019
✔ NPI 1669425286 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 CA · CA54781
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.
1640 NEWPORT BLVD STE 370, Costa Mesa, CA 92627
Open in Google Maps ↗

Other Identifiers 1

Medicaid4777272MI

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

Chaitali Nangia 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 ID547246043
PECOS Enrollment IDI20111208000415
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

4

Medicare enrollment records show Chaitali Nangia reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hoag Clinic
0.5 mi
Primary Care
510 SUPERIOR AVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 529 clinicians in this Medicare group
NPI 1942799523 (949) 791-3001
Uc Regents
11 mi
Allergy & Immunology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 525 clinicians in this Medicare group
NPI 1003864174 (714) 456-8068
Immuno-Oncology Clinic Inc.
33 mi
Medical Oncology
2040 E MARIPOSA AVE
El Segundo, CA 90245
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1215463799 (213) 266-5600
Verity Medical Foundation
339 mi
Multi-Specialty
625 LINCOLN AVE
San Jose, CA 95126
  • Reassigned Medicare billing, California enrollment
  • 133 clinicians in this Medicare group
NPI 1326312067 (405) 278-3000

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 6

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 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.
526 services143 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.
213 services135 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
59 services53 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.
38 services38 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.
37 services23 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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92627 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

84.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.67
Promoting Interoperability100
Improvement Activities40
Cost57.36

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.

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
3 suppliers12 claims6,006 services$0.24 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

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

MRS. ESTHER LAMB PA
Physician Assistant
1640 NEWPORT BLVD STE 370
COSTA MESA, CA 92627
Orange County (949) 288-5701

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 Chaitali Nangia's NPI number?

The NPI number for Chaitali Nangia is 1669425286. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Chaitali Nangia located?

Chaitali Nangia practices at 1640 Newport Blvd Ste 370, Costa Mesa, CA 92627. The listed phone number is (949) 288-5701.

What is Chaitali Nangia's specialty?

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

Is Chaitali Nangia enrolled in Medicare?

Yes. Chaitali Nangia 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 Chaitali Nangia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chaitali Nangia reassigns Medicare benefits to 4 organizations: Hoag Clinic (Newport Beach, CA), Uc Regents (Orange, CA), Immuno-Oncology Clinic Inc. (El Segundo, CA) and Verity Medical Foundation (San Jose, CA). 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 Chaitali Nangia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Chaitali Nangia was last updated on July 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.