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ALEX HERRERA MD
NPI 1275761553
Internal Medicine - Hematology in Duarte, CA

Active since June 25, 2009PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
1500 DUARTE RD, DUARTE, CA 91010(626) 775-3514 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 2, 2020, Mar 7, 2018, Jul 3, 2017 (3 updates tracked since 2017).

About Alex Herrera Md NPPES

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

ALEX HERRERA MD (NPI 1275761553) is an individual hematology provider in Duarte, California, licensed in California (A130569) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2009).

NPPES Registry Identity

NPI1275761553
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameALEX HERRERACredential: MD
Location Address1500 DUARTE RDDuarte, CA 91010-3012
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185 · (626) 775-3514 · Fax (626) 218-5310
Phone(626) 775-3514
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2009
Enumeration DateJune 25, 2009
Last NPPES UpdateNovember 27, 20233 updates tracked since enumeration
NPPES CertifiedNovember 2, 2020
✔ NPI 1275761553 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 · A130569
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 130569 (CA)
1500 DUARTE RD, Duarte, CA 91010
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alex Herrera 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 ID3476702085
PECOS Enrollment IDI20141120000031
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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
149 services41 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.
110 services57 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.
66 services35 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.
22 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 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
Quality85.23
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.

SASAN FAZELI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
SKAI MINDY FU PHARMD
Pharmacist
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 500-5461
JIMMIE WONG MD
Radiology (Diagnostic Radiology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
TERENCE WILLIAMS M.D.
Radiology (Radiation Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. MUSTAFA RAOOF M.D.
Surgery (Surgical Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. EDNA CLOGG SHENVI M.D.
Surgery
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
ALAN CHEN TANG M.D.
Anesthesiology
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
WINSTON YUHSIEN LEE MD, PHD
Pathology (Hematology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673

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 Alex Herrera's NPI number?

The NPI number for Alex Herrera is 1275761553. It was assigned to this individual provider in the NPPES registry on June 25, 2009.

Where is Alex Herrera located?

Alex Herrera practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 775-3514.

What is Alex Herrera's specialty?

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

Is Alex Herrera enrolled in Medicare?

Yes. Alex Herrera 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.

When was this NPI record last updated?

The NPPES record for Alex Herrera was last updated on November 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.