DR. VINCENT LOUIE RAMOS MENDIOLA M.D.
NPI 1922534866
Internal Medicine - Hematology & Oncology in Santa Clarita, CA

Q: What is Vincent Louie Mendiola's NPI number?

The NPI number for Vincent Louie Mendiola is 1922534866. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Q: What is Vincent Louie Mendiola's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since May 11, 2017PECOS EnrolledAccepts Medicare Assignment

99.12/100

CMS Quality Rating

23823 VALENCIA BLVD STE 250, SANTA CLARITA, CA 91355(661) 799-1999(626) 218-1883 Get Directions Write a Review

NPPES record last updated: June 15, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 15, 2023, Jun 18, 2020, May 11, 2017 (3 updates tracked since 2017).

On this page

About Dr. Vincent Louie Ramos Mendiola M.d. NPPES

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

DR. VINCENT LOUIE RAMOS MENDIOLA M.D. (NPI 1922534866) is an individual hematology & oncology provider in Santa Clarita, California, licensed in California (A169794) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1922534866

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. VINCENT LOUIE RAMOS MENDIOLACredential: M.D.

Location Address23823 VALENCIA BLVD STE 250Santa Clarita, CA 91355-9512

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(661) 799-1999

Fax(626) 218-1883

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateMay 11, 2017

Last NPPES UpdateJune 15, 20233 updates tracked since enumeration

NPPES CertifiedJune 15, 2023

✔ NPI 1922534866 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in CA · A169794✔ Licensed in CA · BP10060876

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

23823 VALENCIA BLVD STE 250, Santa Clarita, CA 91355

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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. Vincent Louie Ramos Mendiola 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 ID648696591

PECOS Enrollment IDI20230707001872

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 Reassignment

Medicare enrollment records show Vincent Louie Mendiola reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation

38 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

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 15

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.

Injection, ferric carboxymaltose, 1 mg J1439

Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.

12,000 services11 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,860 services12 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.

259 services124 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.

256 services105 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.

238 services84 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

127 services54 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

104 services26 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

59 services59 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

56 services16 patients

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.

39 services34 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

32 services18 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.

31 services31 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.

29 services12 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

21 services15 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 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

Quality

85.23

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 4

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

MARIA CRESELDA DE LEON MD

Obstetrics & Gynecology (Gynecologic Oncology)

23823 VALENCIA BLVD STE 250
SANTA CLARITA, CA 91355

Los Angeles County (661) 799-1999

KRISTINA WITTIG MD

Urology

23823 VALENCIA BLVD STE 250
SANTA CLARITA, CA 91355

Los Angeles County (661) 799-1999

GEORGE HAJJAR MD

Internal Medicine (Hematology & Oncology)

23823 VALENCIA BLVD STE 250
SANTA CLARITA, CA 91355

Los Angeles County (661) 799-1999

DR. THOMAS P JOSEPH MD

Internal Medicine (Hematology & Oncology)

23823 VALENCIA BLVD STE 250
SANTA CLARITA, CA 91355

Los Angeles County (661) 799-1999

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 Vincent Louie Mendiola's NPI number?

The NPI number for Vincent Louie Mendiola is 1922534866. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is Vincent Louie Mendiola located?

Vincent Louie Mendiola practices at 23823 Valencia Blvd Ste 250, Santa Clarita, CA 91355. The listed phone number is (661) 799-1999.

What is Vincent Louie Mendiola's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Vincent Louie Mendiola enrolled in Medicare?

Yes. Vincent Louie Mendiola 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 organization bills Medicare for Vincent Louie Mendiola's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vincent Louie Mendiola reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, CA). The 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 Vincent Louie Mendiola'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 Vincent Louie Mendiola was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.