DR. NISHAN TCHEKMEDYIAN MD
NPI 1235450305
Internal Medicine - Hematology & Oncology in Huntington Beach, CA

Q: What is Nishan Tchekmedyian's NPI number?

The NPI number for Nishan Tchekmedyian is 1235450305. It was assigned to this individual provider in the NPPES registry on June 11, 2010. The provider is also known as Nishan Tchekmedyian M.D..

Q: What is Nishan Tchekmedyian's specialty?

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

Active since June 11, 2010PECOS EnrolledAccepts Medicare Assignment

99.12/100

CMS Quality Rating

2100 MAIN ST STE 300, HUNTINGTON BEACH, CA 92648(714) 252-9415(714) 963-8407 Get Directions Write a Review

NPPES record last updated: May 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Nishan Tchekmedyian Md NPPES

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

DR. NISHAN TCHEKMEDYIAN MD (NPI 1235450305) is an individual hematology & oncology provider in Huntington Beach, California, licensed in California (A137047) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irvine, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1235450305

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. NISHAN TCHEKMEDYIANCredential: MD

Location Address2100 MAIN ST STE 300Huntington Beach, CA 92648-2489

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(714) 252-9415

Fax(714) 963-8407

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateJune 11, 2010

Last NPPES UpdateMay 30, 2024

NPPES CertifiedMay 30, 2024

✔ NPI 1235450305 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 · A137047

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.

2100 MAIN ST STE 300, Huntington Beach, CA 92648

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Other Names 1

Professional Name (2)Nishan Tchekmedyian M.d.

Secondary Practice Location 1

Location 11000 FivepointIrvine, CA 92618-2377 · Phone (949) 671-4673 · Fax (949) 671-4329

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. Nishan Tchekmedyian 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 ID5799072526

PECOS Enrollment IDI20160922001357

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

Medicare enrollment records show Nishan Tchekmedyian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Shores Medical Group, Inc

0.7 mi

Hematology & Oncology

19582 BEACH BLVD, STE 212
Huntington Beach, CA 92648

Reassigned Medicare billing, California enrollment
23 clinicians in this Medicare group

NPI 1598814634 (714) 252-9415

City Of Hope Medical Foundation

31 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

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 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.

300 services113 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.

157 services108 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.

53 services53 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

34 services31 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

21 services16 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

19 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92648 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.

99.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.23

Promoting Interoperability

100

Improvement Activities

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.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier13 claims658 services$0.69 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 7

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

ALICIA ZIDE LCSW

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