STEPHEN M. MACRES M.D.
NPI 1417932336
Anesthesiology in Sacramento, CA

Q: What is Stephen Macres's NPI number?

The NPI number for Stephen Macres is 1417932336. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Q: What is Stephen Macres'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 Stephen Macres was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 December 13, 2005PECOS EnrolledAccepts Medicare Assignment

4150 V ST, PSSB-SUITE 1200 - MED: ANESTHESIA, SACRAMENTO, CA 95817(916) 734-7985(916) 734-2975 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Stephen M. Macres M.d. NPPES

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

STEPHEN M. MACRES M.D. (NPI 1417932336) is an individual anesthesiology provider in Sacramento, California, licensed in California (G739640) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (1990).

NPPES Registry Identity

NPI1417932336

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameSTEPHEN M. MACRESCredential: M.D.

Location Address4150 V ST, PSSB-SUITE 1200 - MED: ANESTHESIASacramento, CA 95817-1460

Mailing Address4150 V St, Pssb-suite 1200 - Med: AnesthesiaSacramento, CA 95817-1460 · (916) 734-7985 · Fax (916) 734-2975

Phone(916) 734-7985

Fax(916) 734-2975

Sole ProprietorNo

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1990

Enumeration DateDecember 13, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1417932336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · G739640

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, Sacramento, CA 95817

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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

Stephen M. Macres 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 ID5799825469

PECOS Enrollment IDI20091211000047

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

Regents Of The University Of Ca

0.6 mi

Hematology & Oncology

1508 ALHAMBRA BLVD
Sacramento, CA 95816

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Regents Of The Univ Of Ca
2,570 clinicians in this Medicare group

NPI 1528051679 (916) 734-5803

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 13

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.

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.

146 services65 patients

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

44 services44 patients

Anesthesia for other procedure on eye 00140

Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.

20 services19 patients

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415

This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.

19 services19 patients

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480

Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.

18 services18 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

17 services17 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

17 services17 patients

Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 64448

This procedure involves the slow, steady delivery of a medication into your thigh nerve. An anesthetic agent or steroid is used to manage pain or inflammation. It's a safe, effective way to deliver medication directly to the area that needs it.

17 services17 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

17 services17 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

15 services15 patients

Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) 64445

This procedure involves injecting an anesthetic or steroid into the lower back and leg nerve to alleviate pain. The injection helps reduce inflammation and numb the area, providing relief from discomfort. This is a common treatment for conditions such as sciatica and herniated discs.

13 services13 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.

13 services12 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

12 services12 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.

KENNETH D. WHEELER CRNA

Nurse Anesthetist, Certified Registered

4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817

Sacramento County (916) 734-7985

DR. MICHAEL JOHN THORNTON MD

Internal Medicine (Critical Care Medicine)

4150 V ST, SUITE 3400
SACRAMENTO, CA 95817

Sacramento County (916) 734-3566

THOMAS M. GOODNOW CRNA

Nurse Anesthetist, Certified Registered

4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817

Sacramento County (916) 734-7985

DR. POURIA KASHKOULI M.D.

Internal Medicine

4150 V ST, #3116
SACRAMENTO, CA 95817

Sacramento County (916) 734-7080

DR. ALISON SEMRAD D.O.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4150 V ST, #3116
SACRAMENTO, CA 95817

Sacramento County (916) 734-7080

DR. DIANE HADDOCK M.D.

Internal Medicine

4150 V ST, #3116
SACRAMENTO, CA 95817

Sacramento County (916) 734-7080

JOHN S MILLAR M.D.

Internal Medicine (Critical Care Medicine)

4150 V ST, SUITE 3400
SACRAMENTO, CA 95817

Sacramento County (916) 734-3564

UC DAVIS

General Acute Care Hospital

4150 V ST, 2100
SACRAMENTO, CA 95817

Sacramento County (916) 734-8583

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 Stephen Macres's NPI number?

The NPI number for Stephen Macres is 1417932336. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Stephen Macres located?

Stephen Macres practices at 4150 V St Pssb-Suite 1200 - Med: Anesthesia, Sacramento, CA 95817. The listed phone number is (916) 734-7985.

What is Stephen Macres's specialty?

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

Is Stephen Macres enrolled in Medicare?

Yes. Stephen Macres 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 Stephen Macres's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Macres reassigns Medicare benefits to Regents Of The University Of Ca (Sacramento, 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 Stephen Macres'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 Stephen Macres was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.