DR. RITA RENEE ELLITHORPE M.D.
NPI 1306848809
General Practice in Tustin, CA

Q: What is Rita Ellithorpe's NPI number?

The NPI number for Rita Ellithorpe is 1306848809. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Q: What is Rita Ellithorpe's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: When was this NPI record last updated?

The NPPES record for Rita Ellithorpe was last updated on March 7, 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.

Active since August 15, 2005PECOS EnrolledAccepts Medicare Assignment

6.35/100

CMS Quality Rating

13422 NEWPORT AVE, SUITE L, TUSTIN, CA 92780(714) 544-1521(714) 544-1904 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2023, Oct 17, 2017 (2 updates tracked since 2017).

On this page

About Dr. Rita Renee Ellithorpe M.d. NPPES

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

DR. RITA RENEE ELLITHORPE M.D. (NPI 1306848809) is an individual general practice provider in Tustin, California, licensed in California (G83575) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (1982).

NPPES Registry Identity

NPI1306848809

Entity TypeIndividualFemale

Primary Taxonomy208D00000X

Provider Legal NameDR. RITA RENEE ELLITHORPECredential: M.D.

Location Address13422 NEWPORT AVE, SUITE LTustin, CA 92780-3746

Mailing Address13422 Newport Ave, Suite LTustin, CA 92780-3746 · (714) 544-1521 · Fax (714) 544-1904

Phone(714) 544-1521

Fax(714) 544-1904

Sole ProprietorYes

Medical School CMSChicago College Of Medicine And SurgeryGraduated 1982

Enumeration DateAugust 15, 2005

Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration

✔ NPI 1306848809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in CA · G83575

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

13422 NEWPORT AVE, Tustin, CA 92780

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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. Rita Renee Ellithorpe 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 ID1052578424

PECOS Enrollment IDI20120214000138

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 Rita Ellithorpe reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rita R Ellithorpe MD, Inc

1.4 mi

Prevention Professional

825 PARKCENTER DR STE 100
Santa Ana, CA 92705

Reassigned Medicare billing, California enrollment
5 clinicians in this Medicare group

NPI 1619403854 (714) 544-1521

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 32

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 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.

8,683 services163 patients

Injection, potassium chloride, per 2 meq J3480

Potassium chloride injection is a treatment to replenish low potassium levels in your body. Each 2 meq dose helps maintain heart function and fluid balance. It's administered by a healthcare professional, usually into a vein.

5,703 services155 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

3,803 services163 patients

Injection, pyridoxine hcl, 100 mg J3415

Pyridoxine HCL, also known as Vitamin B6, is administered through an injection, typically for those with a deficiency. This vitamin helps the body produce proteins, hormones, and neurotransmitters. It can also support brain development and function.

2,447 services154 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.

1,547 services163 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

545 services59 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.

439 services246 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

359 services168 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

333 services164 patients

Insulin measurement, total 83525

Insulin measurement, total, is a blood test that checks the amount of insulin â€” a hormone regulating blood sugar â€” in your body. It helps diagnose diabetes and other conditions related to insulin. The test involves a simple blood draw and is generally safe and quick.

293 services162 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

290 services159 patients

Measurement of total estradiol (hormone) 82670

Total estradiol measurement is a simple blood test that examines the level of a key hormone in your body. This hormone plays a vital role in many body functions. The test helps understand if hormone levels are balanced, which can impact overall health.

261 services155 patients

Testosterone (hormone) level, total 84403

A total testosterone level test measures the amount of a key hormone in your body. This hormone influences various body functions such as muscle mass, energy levels, and mood. The test involves a simple blood draw, and results help monitor health conditions.

245 services158 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

243 services152 patients

Dehydroepiandrosterone (dhea-s) hormone level 82627

The Dehydroepiandrosterone (DHEA-S) hormone level test is a blood test that checks the amount of a natural steroid hormone in your body. This hormone helps in managing stress and maintaining overall health. Any imbalance can lead to various health issues.

232 services150 patients

Thyroid hormone, t3 measurement, free 84481

The T3 measurement, free, is a blood test that checks the level of a hormone called triiodothyronine. This hormone is produced by your thyroid, a small gland in your neck. It plays a key role in regulating your body's metabolism and energy use.

228 services153 patients

Red blood cell sedimentation rate, to detect inflammation, non-automated 85651

The Red Blood Cell Sedimentation Rate test measures how quickly red blood cells settle at the bottom of a test tube. If they settle faster than normal, it may indicate inflammation in the body. This test is non-automated, meaning it's manually performed by a lab technician.

223 services141 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

219 services142 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

219 services150 patients

Measurement c-reactive protein for detection of infection or inflammation, high sensitivity 86141

The high sensitivity C-reactive protein test is a blood test that helps detect low levels of inflammation in the body. It's often used to assess the risk of heart disease but can also indicate infection or other inflammatory conditions.

217 services151 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

216 services148 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

202 services142 patients

Progesterone (reproductive hormone) level 84144

A progesterone level test measures the amount of progesterone, a hormone, in your body. It plays a key role in preparing the body for pregnancy and maintaining it. The test can help assess overall hormonal health and aid in diagnosing certain conditions.

193 services115 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.

187 services118 patients

Homocysteine (amino acid) level 83090

Homocysteine level testing is a simple blood test that measures the amount of a specific amino acid, homocysteine, in your blood. High levels may indicate a higher risk of heart disease and stroke. It can also help detect vitamin B12 or folic acid deficiency.

158 services121 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

37 services29 patients

Cortisol (hormone) measurement, total 82533

Cortisol measurement is a test that checks the level of cortisol, a hormone, in your body. It's often used to assess stress levels or check for conditions like Addison's disease or Cushing's syndrome. This involves a simple blood or saliva sample.

34 services32 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

30 services29 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.

29 services29 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

26 services22 patients

Testosterone (hormone) level, free 84402

A free testosterone level test measures the amount of unattached, or "free," testosterone in your blood. Testosterone is a hormone that's important for certain body functions. This test is used to check if your hormone level is in the normal range.

19 services19 patients

Microsomal antibodies (autoantibody) measurement 86376

Microsomal antibodies measurement is a blood test to detect specific antibodies that your immune system may produce. It's often used to diagnose autoimmune conditions like thyroid disorders. The test is simple, involving a standard blood draw.

17 services16 patients

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.

6.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

21.19

Other Providers at the Same Location NPPES 7

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

TUSTIN LONGEVITY CENTER

Preferred Provider Organization

13422 NEWPORT AVE, SUITE L
TUSTIN, CA 92780

Orange County (714) 544-1521

TUSTIN TELERADIOLOGY MEDICAL GROUP INC.

Radiologic Technologist (Radiography)

13422 NEWPORT AVE, SUITE I
TUSTIN, CA 92780

Orange County (714) 665-6900

DR. THOMAS L ATLAS MD

Radiologic Technologist (Radiography)

13422 NEWPORT AVE, SUITE I
TUSTIN, CA 92780

Orange County (714) 665-6900

TUSTIN LONGEVITY CENTER

Family Medicine

13422 NEWPORT AVE, SUITE L
TUSTIN, CA 92780

Orange County (714) 544-1521

DR. MAUREEN ROBERTA DORNAN D.D.S.

Dentist (General Practice)

13422 NEWPORT AVE, STE B
TUSTIN, CA 92780

Orange County (714) 544-2020

DR. SANDI E SILVA DDS

Dentist (General Practice)

13422 NEWPORT AVE, SUITE A
TUSTIN, CA 92780

Orange County (714) 544-5883

BIGDELI DDS INC

Dentist (General Practice)

13422 NEWPORT AVE, E
TUSTIN, CA 92780

Orange County (714) 665-0005

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 Rita Ellithorpe's NPI number?

The NPI number for Rita Ellithorpe is 1306848809. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Rita Ellithorpe located?

Rita Ellithorpe practices at 13422 Newport Ave Suite L, Tustin, CA 92780. The listed phone number is (714) 544-1521.

What is Rita Ellithorpe's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Rita Ellithorpe enrolled in Medicare?

Yes. Rita Ellithorpe 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 Rita Ellithorpe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rita Ellithorpe reassigns Medicare benefits to Rita R Ellithorpe MD, Inc (Santa Ana, 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 Rita Ellithorpe'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 Rita Ellithorpe was last updated on March 7, 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.