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DR. BENJAMIN MICHAEL HEYMAN M.D.
NPI 1982995809
Internal Medicine - Hematology in Irvine, CA

Active since April 26, 2011PECOS EnrolledAccepts Medicare Assignment
1000 FIVEPOINT STE 1000A, IRVINE, CA 92618(949) 671-4673 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 16, 2025, Jun 20, 2019 (2 updates tracked since 2019).

About Dr. Benjamin Michael Heyman M.d. NPPES

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

DR. BENJAMIN MICHAEL HEYMAN M.D. (NPI 1982995809) is an individual hematology provider in Irvine, California, licensed in California (A157684) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Virginia School Of Medicine (2011).

NPPES Registry Identity

NPI1982995809
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. BENJAMIN MICHAEL HEYMANCredential: M.D.
Location Address1000 FIVEPOINT STE 1000AIrvine, CA 92618-2377
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Phone(949) 671-4673
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2011
Enumeration DateApril 26, 2011
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1982995809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License✔ Licensed in CA · A157684
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License A157684 (CA)
1000 FIVEPOINT STE 1000A, Irvine, CA 92618
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11000 Fivepoint Ste 1000BIrvine, CA 92618-2377 · Phone (800) 826-4673
Location 21500 Duarte RdDuarte, CA 91010-3012 · Phone (800) 826-4673

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. Benjamin Michael Heyman 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 ID5799900395
PECOS Enrollment IDI20181120003175
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

2

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

City Of Hope Medical Foundation
36 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
Regents Of The University Of California
70 mi
Allergy & Immunology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,051 clinicians in this Medicare group
NPI 1487772380 (800) 926-8273

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 11

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 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.
189 services119 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.
143 services48 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.
91 services62 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
67 services35 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.
38 services37 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.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92618 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.

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 Benjamin Heyman's NPI number?

The NPI number for Benjamin Heyman is 1982995809. It was assigned to this individual provider in the NPPES registry on April 26, 2011.

Where is Benjamin Heyman located?

Benjamin Heyman practices at 1000 Fivepoint Ste 1000A, Irvine, CA 92618. The listed phone number is (949) 671-4673.

What is Benjamin Heyman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Benjamin Heyman enrolled in Medicare?

Yes. Benjamin Heyman 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 Benjamin Heyman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Heyman reassigns Medicare benefits to 2 organizations: City Of Hope Medical Foundation (Duarte, CA) and Regents Of The University Of California (San Diego, 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 Benjamin Heyman'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 Benjamin Heyman was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.