Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JUAN SEBASTIAN CALDERON MOLINA M.D.
NPI 1366626467
Internal Medicine - Nephrology in National City, CA

Q: What is Juan Calderon Molina's NPI number?

The NPI number for Juan Calderon Molina is 1366626467. It was assigned to this individual provider in the NPPES registry on December 26, 2007.

Q: What is Juan Calderon Molina's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since December 26, 2007PECOS EnrolledAccepts Medicare Assignment

655 EUCLID AVE STE 303, NATIONAL CITY, CA 91950(619) 475-4900(619) 475-8373 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2026, Feb 2, 2026, Jan 29, 2021 (3 updates tracked since 2021).

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About Dr. Juan Sebastian Calderon Molina M.d. NPPES

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

DR. JUAN SEBASTIAN CALDERON MOLINA M.D. (NPI 1366626467) is an individual nephrology provider in National City, California, licensed in California (143845) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1366626467

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. JUAN SEBASTIAN CALDERON MOLINACredential: M.D.

Location Address655 EUCLID AVE STE 303National City, CA 91950-2975

Mailing Address9373 Hazard Way Ste 200San Diego, CA 92123-1226 · (858) 810-0000 · Fax (858) 268-1911

Phone(619) 475-4900

Fax(619) 475-8373

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateDecember 26, 2007

Last NPPES UpdateSeptember 9, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1366626467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · 143845

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

655 EUCLID AVE STE 303, National City, CA 91950

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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. Juan Sebastian Calderon Molina 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 ID8527119874

PECOS Enrollment IDI20161007001040

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

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

Emergency And Acute Care Medical Corporation

9.0 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

Balboa Nephrology Medical Group, Inc.

11 mi

Nephrology

9373 HAZARD WAY STE 200
San Diego, CA 92123

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

NPI 1316997505 (858) 810-8000

Sharp Rees-Stealy Medical Group, Inc

12 mi

Internal Medicine

5651 COPLEY DR STE A
San Diego, CA 92111

Reassigned Medicare billing, California enrollment
1,233 clinicians in this Medicare group

NPI 1285616177 (858) 262-6666

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 22

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,644 services30 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

357 services49 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.

238 services74 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.

217 services123 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

105 services94 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

99 services95 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.

93 services31 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

76 services39 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.

50 services43 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

40 services22 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

32 services17 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

28 services25 patients

Insertion of tube into chest or arm artery, each first order branch 36215

This procedure involves placing a thin tube into a chest or arm artery. It is done to monitor blood pressure, take blood samples, or deliver medications. The tube may also be inserted into each first order branch, which are the initial divisions of the main artery.

26 services24 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

23 services23 patients

Insertion of needle and/or tube into hemodialysis circuit with review by radiologist 36901

This procedure involves inserting a needle or tube into your hemodialysis circuit, which is part of the system that cleans your blood when your kidneys can't. A radiologist, a doctor specialized in imaging techniques, will review the process to ensure everything is correct.

23 services22 patients

Balloon dilation of dialysis segment with review by radiologist 36907

Balloon dilation of a dialysis segment is a procedure where a tiny balloon is inserted and inflated in a narrowed area of your dialysis access site, improving blood flow. A radiologist reviews images to ensure success.

22 services20 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

21 services21 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.

21 services21 patients

Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube 36905

This procedure involves eliminating a blood clot in your hemodialysis circuit, ensuring smooth blood flow. A balloon tube is used to widen the dialysis segment if needed. Images are taken and reviewed by a radiologist to confirm successful completion.

20 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Replacement of tunneled central venous tube 36581

A tunneled central venous tube replacement is a procedure where an existing tube, used to deliver medication or nutrition directly to a large vein, is replaced. This is done under local anesthesia and involves inserting a new tube through a small incision.

11 services11 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91950 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.

Other Providers at the Same Location NPPES

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

DR. TAGUMPAY E. SACAMAY M.D.

Internal Medicine (Nephrology)

655 EUCLID AVE STE 303
NATIONAL CITY, CA 91950

San Diego County (619) 475-4900

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 Juan Calderon Molina's NPI number?

The NPI number for Juan Calderon Molina is 1366626467. It was assigned to this individual provider in the NPPES registry on December 26, 2007.

Where is Juan Calderon Molina located?

Juan Calderon Molina practices at 655 Euclid Ave Ste 303, National City, CA 91950. The listed phone number is (619) 475-4900.

What is Juan Calderon Molina's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Juan Calderon Molina enrolled in Medicare?

Yes. Juan Calderon Molina 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 Juan Calderon Molina's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Calderon Molina reassigns Medicare benefits to 3 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA), Balboa Nephrology Medical Group, Inc. (San Diego, CA) and Sharp Rees-Stealy Medical Group, Inc (San Diego, 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 Juan Calderon Molina'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 Juan Calderon Molina was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.