DR. WILLIAM JACOB HERTZING MD
NPI 1144781964
Hospitalist in West Hollywood, CA

Active since March 26, 2019PECOS EnrolledAccepts Medicare Assignment
85.71/100
CMS Quality Rating
8700 BEVERLY BLVD # B220, WEST HOLLYWOOD, CA 90048(310) 423-5252(310) 423-8441 Get Directions Write a Review

NPPES record last updated: August 19, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Jacob Hertzing Md NPPES

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

DR. WILLIAM JACOB HERTZING MD (NPI 1144781964) is an individual hospitalist provider in West Hollywood, California, licensed in California (A178132) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Texas Medical Branch At Galveston (2019).

NPPES Registry Identity

NPI1144781964
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. WILLIAM JACOB HERTZINGCredential: MD
Location Address8700 BEVERLY BLVD # B220West Hollywood, CA 90048-1804
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Fax(310) 423-8441
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2019
Enumeration DateMarch 26, 2019
Last NPPES UpdateAugust 19, 2022
NPPES CertifiedAugust 17, 2022
NPI 1144781964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A178132
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

8700 BEVERLY BLVD # B220, West Hollywood, CA 90048

Secondary Practice Location 1

Location 11200 N State Street, Clinic Tower, Suite A7DLos Angeles, CA 90033-1029 · Phone (323) 409-7556

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

Dr. William Jacob Hertzing 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 ID941611271
PECOS Enrollment IDI20220415000704
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.
455 services168 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
116 services113 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.
83 services83 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.
55 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

85.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.67
Promoting Interoperability100
Improvement Activities40
Cost61.47

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.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers13 claims13 services$40.11 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 20

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

Physical Medicine & Rehabilitation (Hospice and Palliative Medicine)
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine (Hospice and Palliative Medicine)
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048

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 William Hertzing's NPI number?

The NPI number for William Hertzing is 1144781964. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is William Hertzing located?

William Hertzing practices at 8700 Beverly Blvd # B220, West Hollywood, CA 90048. The listed phone number is (310) 423-5252.

What is William Hertzing's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is William Hertzing enrolled in Medicare?

Yes. William Hertzing 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 William Hertzing was last updated on August 19, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.