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DR. JAMES ANGELO SHARKOFF M.D.
NPI 1891893061
Internal Medicine in Stanton, CA

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment
8045 CERRITOS AVE, STANTON, CA 90680(714) 828-2444(714) 816-0529 Get Directions Write a Review

NPPES record last updated: April 3, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. James Angelo Sharkoff M.d. NPPES

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

DR. JAMES ANGELO SHARKOFF M.D. (NPI 1891893061) is an individual internal medicine provider in Stanton, California, licensed in California (A66728) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1995).

NPPES Registry Identity

NPI1891893061
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES ANGELO SHARKOFFCredential: M.D.
Location Address8045 CERRITOS AVEStanton, CA 90680-2436
Mailing Address8045 Cerritos AveStanton, CA 90680 · (714) 828-2444 · Fax (714) 816-0529
Phone(714) 828-2444
Fax(714) 816-0529
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 1995
Enumeration DateSeptember 20, 2006
Last NPPES UpdateApril 3, 2017
✔ NPI 1891893061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A66728
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.
Also ListedFamily MedicineTaxonomy 207Q00000X · License A66728 (CA)
8045 CERRITOS AVE, Stanton, CA 90680
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Other Identifiers 2

Medicaid00A66728CA
Medicare UPINSH0892971

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. James Angelo Sharkoff 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 ID3779741269
PECOS Enrollment IDI20120301000462
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 James Sharkoff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pueblo Medical Center Inc
Same address
Clinic/Center
8045 CERRITOS AVE
Stanton, CA 90680
  • Reassigned Medicare billing, California enrollment
NPI 1265737043 (714) 828-2444
Chest And Critical Care Consultants
3.7 mi
Pulmonary Disease
5451 LA PALMA AVE, SUITE 43
La Palma, CA 90623
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Chest And Critical Care Consultants A Medical Group
  • 96 clinicians in this Medicare group
NPI 1811101702 (714) 772-8282

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 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.
116 services32 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
70 services64 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.
49 services45 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
49 services21 patients
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.
42 services17 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90680 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.

Other Providers at the Same Location NPPES 3

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

ARIANA PELLEMEIER
Nurse Practitioner (Family)
8045 CERRITOS AVE
STANTON, CA 90680
Orange County (714) 828-2444
PUEBLO MEDICAL CENTER INC
Clinic/Center
8045 CERRITOS AVE
STANTON, CA 90680
Orange County (714) 828-2444
DR. DONALD SHARKOFF M.D.
Family Medicine
8045 CERRITOS AVE
STANTON, CA 90680
Orange County (714) 828-2444

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 James Sharkoff's NPI number?

The NPI number for James Sharkoff is 1891893061. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is James Sharkoff located?

James Sharkoff practices at 8045 Cerritos Ave, Stanton, CA 90680. The listed phone number is (714) 828-2444.

What is James Sharkoff's specialty?

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

Is James Sharkoff enrolled in Medicare?

Yes. James Sharkoff 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 James Sharkoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Sharkoff reassigns Medicare benefits to 2 organizations: Pueblo Medical Center Inc (Stanton, CA) and Chest And Critical Care Consultants (La Palma, 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 James Sharkoff'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 James Sharkoff was last updated on April 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.