DR. WALTER GREGORY SHAKESPEARE D.O.
NPI 1861705444
Internal Medicine - Critical Care Medicine in Sacramento, CA

Active since July 23, 2010PECOS EnrolledAccepts Medicare Assignment
2025 MORSE AVE, SACRAMENTO, CA 95825(916) 973-5000 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 15, 2026, Dec 16, 2021 (2 updates tracked since 2021).

About Dr. Walter Gregory Shakespeare D.o. NPPES

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

DR. WALTER GREGORY SHAKESPEARE D.O. (NPI 1861705444) is an individual critical care medicine provider in Sacramento, California, licensed in California (20A15575) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1861705444
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. WALTER GREGORY SHAKESPEARECredential: D.O.
Location Address2025 MORSE AVESacramento, CA 95825-2115
Mailing Address2025 Morse AveSacramento, CA 95825-2115 · (916) 973-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 23, 2010
Last NPPES UpdateApril 15, 20262 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
NPI 1861705444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in CA · 20A15575
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
2025 MORSE AVE, Sacramento, CA 95825

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Walter Gregory Shakespeare D.o. 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 ID5092959718
PECOS Enrollment IDI20171103000743
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.

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.

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.
27 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95825 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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 20

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

Nurse Practitioner (Family)
2025 MORSE AVE
SACRAMENTO, CA 95825
Obstetrics & Gynecology (Gynecologic Oncology)
2025 MORSE AVE
SACRAMENTO, CA 95825
Otolaryngology
2025 MORSE AVE
SACRAMENTO, CA 95825
Nurse Anesthetist, Certified Registered
2025 MORSE AVE
SACRAMENTO, CA 95825
Pediatrics
2025 MORSE AVE
SACRAMENTO, CA 95825
Podiatrist
2025 MORSE AVE
SACRAMENTO, CA 95825
Radiology (Vascular & Interventional Radiology)
2025 MORSE AVE
SACRAMENTO, CA 95825
Anesthesiology
2025 MORSE AVE
SACRAMENTO, CA 95825

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 Walter Shakespeare's NPI number?

The NPI number for Walter Shakespeare is 1861705444. It was assigned to this individual provider in the NPPES registry on July 23, 2010.

Where is Walter Shakespeare located?

Walter Shakespeare practices at 2025 Morse Ave, Sacramento, CA 95825. The listed phone number is (916) 973-5000.

What is Walter Shakespeare's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Walter Shakespeare enrolled in Medicare?

Yes. Walter Shakespeare 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.

When was this NPI record last updated?

The NPPES record for Walter Shakespeare was last updated on April 15, 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.