DR. HILDA RIDERER D.O.
NPI 1710358791
Internal Medicine in Marina Del Rey, CA

Active since October 15, 2015PECOS EnrolledAccepts Medicare Assignment
92.02/100
CMS Quality Rating
4650 LINCOLN BLVD, MARINA DEL REY, CA 90292(310) 823-8911 Get Directions Write a Review

NPPES record last updated: August 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Hilda Riderer D.o. NPPES

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

DR. HILDA RIDERER D.O. (NPI 1710358791) is an individual internal medicine provider in Marina Del Rey, California, licensed in California (14289) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1710358791
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. HILDA RIDERERCredential: D.O.
Location Address4650 LINCOLN BLVDMarina Del Rey, CA 90292-6306
Mailing AddressPo Box 54679Los Angeles, CA 90054-0679
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateOctober 15, 2015
Last NPPES UpdateAugust 11, 2020
NPPES CertifiedAugust 11, 2020
✔ NPI 1710358791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 14289
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4650 LINCOLN BLVD, Marina Del Rey, CA 90292

Secondary Practice Location 1

Location 12776 Pacific AveLong Beach, CA 90806-2613 · Phone (562) 997-2000

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. Hilda Riderer D.o. 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 ID6406127877
PECOS Enrollment IDI20170802003601
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

3

Medicare enrollment records show Hilda Riderer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
4940 VAN NUYS BLVD, STE 200
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
Hospitalist
1420 S CENTRAL AVE
Glendale, CA 91204
  • Reassigned Medicare billing, California enrollment
  • 49 clinicians in this Medicare group
Hospitalist
250 E RINCON ST STE 106
Corona, CA 92879
  • Reassigned Medicare billing, California enrollment
  • 123 clinicians in this Medicare group

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.

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.
803 services197 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.
178 services168 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.
158 services145 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.
108 services103 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
84 services29 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.
51 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90292 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.

92.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.48
Improvement Activities40
Cost66.71

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier28 claims28 services$16.82 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
2 suppliers29 claims31 services$771.44 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier28 claims28 services$86.10 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.

Physician Assistant
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Emergency Medicine
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Internal Medicine
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Social Worker (Clinical)
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Speech-Language Pathologist
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Emergency Medicine
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Physician Assistant
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292
Anesthesiology
4650 LINCOLN BLVD
MARINA DEL REY, CA 90292

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 Hilda Riderer's NPI number?

The NPI number for Hilda Riderer is 1710358791. It was assigned to this individual provider in the NPPES registry on October 15, 2015.

Where is Hilda Riderer located?

Hilda Riderer practices at 4650 Lincoln Blvd, Marina Del Rey, CA 90292. The listed phone number is (310) 823-8911.

What is Hilda Riderer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hilda Riderer enrolled in Medicare?

Yes. Hilda Riderer 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 Hilda Riderer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilda Riderer reassigns Medicare benefits to 3 organizations: Epic Medical Group,inc (Sherman Oaks, CA), Cedar Springs Hospitalist Medical Group, Inc. (Glendale, CA) and Hospitalist Group Of Montebello Inc (Corona, 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 Hilda Riderer'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 Hilda Riderer was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.