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NATHANIEL EPHRAIM MIRANDA CALIXTO MD
NPI 1558820464
Anesthesiology in Sacramento, CA

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
4150 V ST STE 1200, SACRAMENTO, CA 95817(916) 734-7985 Get Directions Write a Review

NPPES record last updated: August 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 9, 2024, Oct 26, 2023, Jun 23, 2023 and 2 more (5 updates tracked since 2019).

About Nathaniel Ephraim Miranda Calixto Md NPPES

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

NATHANIEL EPHRAIM MIRANDA CALIXTO MD (NPI 1558820464) is an individual anesthesiology provider in Sacramento, California, licensed in California (A182533) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Un Of California, Irvine, College Of Medicine (2019).

NPPES Registry Identity

NPI1558820464
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameNATHANIEL EPHRAIM MIRANDA CALIXTOCredential: MD
Location Address4150 V ST STE 1200Sacramento, CA 95817-1460
Mailing Address4150 V St Ste 1200Sacramento, CA 95817-1460
Phone(916) 734-7985
Sole ProprietorYes
Medical School CMSUn Of California, Irvine, College Of MedicineGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateAugust 9, 20245 updates tracked since enumeration
NPPES CertifiedAugust 9, 2024
✔ NPI 1558820464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A182533
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
4150 V ST STE 1200, Sacramento, CA 95817
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Nathaniel Ephraim Miranda Calixto 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 ID3678947603
PECOS Enrollment IDI20230615001440
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 Nathaniel Calixto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The Univ Of Ca
Same address
Maternal & Fetal Medicine
4860 Y ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1013906973 (916) 734-6930
Regents Of The University Of
384 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068

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

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services13 patients

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.

ALLEN WANG MD
Anesthesiology
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (510) 449-3940
PETRA JEANNE MENDOZA
Nurse Anesthetist, Certified Registered
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 734-5028
GREGORY L PETERFREUND MD, PHD
Anesthesiology
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 734-4611
MRS. MAGDALA LIMAGE RUSSO CRNA
Nurse Anesthetist, Certified Registered
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 456-1450
DR. ANTHONY THOMAS GORDON IV MD
Student in an Organized Health Care Education/Training Program
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 734-5028
SHUCHI GAUR MD
Anesthesiology
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (914) 734-2011
BRYAN ESTILL M.D.
Anesthesiology
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 734-1574
NATHAEN WEITZEL MD
Anesthesiology
4150 V ST STE 1200
SACRAMENTO, CA 95817
Sacramento County (916) 734-5048

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 Nathaniel Calixto's NPI number?

The NPI number for Nathaniel Calixto is 1558820464. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Nathaniel Calixto located?

Nathaniel Calixto practices at 4150 V St Ste 1200, Sacramento, CA 95817. The listed phone number is (916) 734-7985.

What is Nathaniel Calixto's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nathaniel Calixto enrolled in Medicare?

Yes. Nathaniel Calixto 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 Nathaniel Calixto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Calixto reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Sacramento, CA) and Regents Of The University Of (Orange, 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 Nathaniel Calixto'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 Nathaniel Calixto was last updated on August 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.