OLEG YURYEVICH SOROKOUMOV MD
NPI 1306870548
Internal Medicine - Critical Care Medicine in La Mesa, CA

Active since July 11, 2006PECOS EnrolledAccepts Medicare Assignment
5555 GROSSMONT CENTER DR, SHARP GROSSMONT HOSPITAL, LA MESA, CA 91942(858) 248-3634 Get Directions Write a Review

NPPES record last updated: December 10, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oleg Yuryevich Sorokoumov Md NPPES

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

OLEG YURYEVICH SOROKOUMOV MD (NPI 1306870548) is an individual critical care medicine provider in La Mesa, California, licensed in California (C55036) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1306870548
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameOLEG YURYEVICH SOROKOUMOVCredential: MD
Location Address5555 GROSSMONT CENTER DR, SHARP GROSSMONT HOSPITALLa Mesa, CA 91942
Mailing Address5555 Grossmont Center DrLa Mesa, CA 91942-3019 · (858) 248-3634 · Fax (858) 751-0588
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateJuly 11, 2006
Last NPPES UpdateDecember 10, 2015
✔ NPI 1306870548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in CA · C55036✔ Licensed in WI · 48325
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
5555 GROSSMONT CENTER DR, La Mesa, CA 91942

Other Identifiers 2

OtherFY773CA · Medicare
Medicaid1306870548CA

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

Oleg Yuryevich Sorokoumov 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 ID1850322066
PECOS Enrollment IDI20120423000269
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

4

Medicare enrollment records show Oleg Sorokoumov reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
2732 NAVAJO RD STE 202A
El Cajon, CA 92020
  • Reassigned Medicare billing, California enrollment
  • 87 clinicians in this Medicare group
Hospitalist
1940 EL CAJON BLVD
San Diego, CA 92104
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
Emergency Medicine
7901 FROST ST
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 1,437 clinicians in this Medicare group
Hospitalist
465 W PUTNAM AVE
Porterville, CA 93257
  • Reassigned Medicare billing, California enrollment
  • 159 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 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.

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.
715 services192 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.
392 services111 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.
297 services115 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.
57 services57 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.
47 services47 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.
29 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$767.63 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.

Registered Nurse
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Nurse Practitioner (Psychiatric/Mental Health)
5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Registered Nurse (Emergency)
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Internal Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Physician Assistant
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
Pharmacist
5555 GROSSMONT CENTER DR
LA MESA, CA 91942

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 Oleg Sorokoumov's NPI number?

The NPI number for Oleg Sorokoumov is 1306870548. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Oleg Sorokoumov located?

Oleg Sorokoumov practices at 5555 Grossmont Center Dr Sharp Grossmont Hospital, La Mesa, CA 91942. The listed phone number is (858) 248-3634.

What is Oleg Sorokoumov's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Oleg Sorokoumov enrolled in Medicare?

Yes. Oleg Sorokoumov 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 Oleg Sorokoumov's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oleg Sorokoumov reassigns Medicare benefits to 4 organizations: San Diego Critical Care Medical Group, Inc (El Cajon, CA), Knd Development 59 LLC (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA) and 24 On Physicians Of California, PC (Porterville, 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 Oleg Sorokoumov'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 Oleg Sorokoumov was last updated on December 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.