DR. NATHANIEL FENTON SIMON M.D.
NPI 1245224930
Anesthesiology in Sacramento, CA

Q: What is Nathaniel Simon's NPI number?

The NPI number for Nathaniel Simon is 1245224930. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Q: What is Nathaniel Simon's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Simon was last updated on December 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 September 08, 2005PECOS EnrolledAccepts Medicare Assignment

3315 WATT AVE, SACRAMENTO, CA 95821(916) 481-6800(916) 481-1881 Get Directions Write a Review

NPPES record last updated: December 8, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Nathaniel Fenton Simon M.d. NPPES

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

DR. NATHANIEL FENTON SIMON M.D. (NPI 1245224930) is an individual anesthesiology provider in Sacramento, California, licensed in California (A66883) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1245224930

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. NATHANIEL FENTON SIMONCredential: M.D.

Location Address3315 WATT AVESacramento, CA 95821-3600

Mailing AddressPo Box 660910Sacramento, CA 95866-0910 · (916) 481-6800 · Fax (916) 481-1881

Phone(916) 481-6800

Fax(916) 481-1881

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateSeptember 8, 2005

Last NPPES UpdateDecember 8, 2010

✔ NPI 1245224930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A66883

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.

3315 WATT AVE, Sacramento, CA 95821

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Other Identifiers 3

Medicare UPINH47627CA

MedicaidGR0028370CA

Medicare ID-Type UnspecifiedZZZ16448ZCA

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. Nathaniel Fenton Simon 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 ID1355413618

PECOS Enrollment IDI20080701000277

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

Central Anesthesia Service Exchange Medical Group, Inc.

Same address

Anesthesiology

3315 WATT AVE.
Sacramento, CA 95821

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

NPI 1194826404 (916) 481-0777

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 12

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 electroshock therapy 00104

Anesthesia for electroshock therapy involves administering medications to put you into a deep sleep. This ensures you won't feel pain or remember the procedure. It's essential for your comfort and safety during the therapy.

107 services51 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.

65 services36 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

41 services40 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

38 services38 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

36 services36 patients

Anesthesia for procedure on heart and large blood vessels 00560

Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.

33 services33 patients

Insertion of tube in pulmonary artery for monitoring 93503

This procedure involves placing a tube into your pulmonary artery, which is a blood vessel in your lungs. The tube helps monitor heart function and blood flow, providing vital information for your treatment. It's typically done under local anesthesia to minimize discomfort.

29 services29 patients

Anesthesia for insertion of permanent heart pacemaker 00530

Anesthesia for a permanent heart pacemaker insertion helps to ensure comfort and calmness during the procedure. It's typically a local anesthetic, numbing the area where the pacemaker is inserted. Sedation may also be given to help you relax. You'll be awake, but may not remember the procedure.

28 services28 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

28 services28 patients

Anesthesia for heart artery bypass grafting on heart-lung machine 00567

Anesthesia for heart artery bypass grafting on a heart-lung machine involves administering medications to induce sleep and eliminate pain during surgery. The heart-lung machine takes over heart and lung functions, ensuring blood flow and oxygen supply to the body.

19 services19 patients

Anesthesia for procedure to assess heart electrical activity 00537

Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.

18 services18 patients

Anesthesia for x-ray on artery of brain, heart, or chest 01926

Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.

12 services12 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.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)

Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…

100%314 patients5/55-star benchmark: 100%

Post-Anesthetic Transfer of Care: Use of Checklist or Protocol for Direct Transfer of Care from Procedure Room to Intensive Care Unit (ICU)

Percentage of patients, regardless of age, who undergo a procedure under anesthesia and are admitted to an Intensive Care Unit (ICU) directly from the anesthetizing location, who have a documented use of a checklist or protocol for the transfer of care from…

100%115 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. J DAVID D'AMELIO M.D.

Anesthesiology