1. Home
  2. Directory
  3. California
  4. Sherman Oaks
  5. Nurse Practitioner
  6. NPI Profile

TIMOTHY JAMES STACY ACNP
NPI 1457356479
Nurse Practitioner - Acute Care in Sherman Oaks, CA

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment
92.02/100
CMS Quality Rating
4955 VAN NUYS BLVD, SUITE 502, SHERMAN OAKS, CA 91403(818) 325-0200(818) 325-0210 Get Directions Write a Review

NPPES record last updated: February 23, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Timothy James Stacy Acnp NPPES

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

TIMOTHY JAMES STACY ACNP (NPI 1457356479) is an individual acute care provider in Sherman Oaks, California, licensed in California (15005) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1457356479
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameTIMOTHY JAMES STACYCredential: ACNP
Location Address4955 VAN NUYS BLVD, SUITE 502Sherman Oaks, CA 91403-1801
Mailing Address5268 Huckleberry Oak StreetSimi Valley, CA 93063 · (805) 208-0434
Phone(818) 325-0200
Fax(818) 325-0210
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 16, 2005
Last NPPES UpdateFebruary 23, 2010
✔ NPI 1457356479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 15005
4955 VAN NUYS BLVD, Sherman Oaks, CA 91403
Open in Google Maps ↗

Other Identifiers 5

Medicare ID-Type UnspecifiedNP15005CA · Medicare Number
MedicaidNP0150050CA
Medicaid2571636CA
OtherB1180ZCA · Medicare Ptan
Medicare UPINQ27747CA

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

Timothy James Stacy Acnp 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 ID7214990308
PECOS Enrollment IDI20041109001174
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

7

Medicare enrollment records show Timothy Stacy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Paradigm Healthcare Solutions, Inc
Same address
Primary Care
4929 VAN NUYS BLVD
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
NPI 1467678391 (805) 208-0434
Epic Medical Group,inc
Same address
Critical Care Medicine
4940 VAN NUYS BLVD, STE 200
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1295178689 (818) 528-1260
St. Joseph Intensivist Group, Inc.
6.7 mi
Critical Care Medicine
501 S BUENA VISTA ST
Burbank, CA 91505
  • Reassigned Medicare billing, California enrollment
  • 13 clinicians in this Medicare group
NPI 1801302484 (310) 321-0143
Arcadia Hospitalist Medical Group
20 mi
Internal Medicine
111 N SEPULVEDA BLVD, #210
Manhattan Beach, CA 90266
  • Reassigned Medicare billing, California enrollment
  • 66 clinicians in this Medicare group
NPI 1699029777 (310) 379-2134
Arcadia Intensivist Group, Inc.
23 mi
Critical Care Medicine
300 W HUNTINGTON DR
Arcadia, CA 91007
  • Reassigned Medicare billing, California enrollment
  • 39 clinicians in this Medicare group
NPI 1598361669 (310) 321-0143
Palmdale Intensivist Inc
34 mi
Internal Medicine
38600 MEDICAL CENTER DR
Palmdale, CA 93551
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1033955497 (661) 382-5000
Tripleaim Healthcare
224 mi
Critical Care Medicine
2445 EMBER MIST CT
Las Vegas, NV 89135
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1972254332 (805) 208-0434

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 6

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.
795 services217 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.
680 services261 patients
Insertion of tube for infusion with imaging guidance and review by radiologist, patient 5 years or older 36573
This procedure involves placing a tube into a vein for medication or fluid delivery. Imaging guidance helps ensure correct placement, while a radiologist reviews the process for safety. It's suitable for patients aged 5 and above.
541 services399 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
231 services224 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.
208 services197 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
82 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91403 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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.

92.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.48
Improvement Activities40
Cost66.71

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
12%248 patients1/55-star benchmark: 85%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
0%211 patients1/55-star benchmark: 88%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 274 patients
1%274 patients4/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier19 claims19 services$11.72 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier28 claims28 services$60.04 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MR. TOM VU DMD
Dentist
4955 VAN NUYS BLVD, SUITE #518
SHERMAN OAKS, CA 91403
Los Angeles County (818) 783-8891
ALI SHEYBANI MEDICAL INC.
Internal Medicine
4955 VAN NUYS BLVD, SUITE 405
SHERMAN OAKS, CA 91403
Los Angeles County (818) 464-4870
ANGELA CASTELLANO MD
Dermatology
4955 VAN NUYS BLVD, 516
SHERMAN OAKS, CA 91403
Los Angeles County (818) 789-6296
MRS. JABEEN FATIMA M.D
Family Medicine
4955 VAN NUYS BLVD, SUITE 415
SHERMAN OAKS, CA 91403
Los Angeles County (818) 528-1080
ARDENE J CUDIAMAT NP
Nurse Practitioner
4955 VAN NUYS BLVD, SUITE 411
SHERMAN OAKS, CA 91403
Los Angeles County (818) 784-7903
LAKESIDE MEDICAL ASSOCIATES A MEDICAL GROUP INC
Family Medicine
4955 VAN NUYS BLVD, SUITE 308
SHERMAN OAKS, CA 91403
Los Angeles County (818) 907-5088
DR. DANIEL HEMMATI D.D.S.
Dentist (General Practice)
4955 VAN NUYS BLVD, 716
SHERMAN OAKS, CA 91403
Los Angeles County (661) 803-4699
LARISSE K LEE M.D.
Surgery (Vascular Surgery)
4955 VAN NUYS BLVD, SUITE 704
SHERMAN OAKS, CA 91403
Los Angeles County (818) 325-0400

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 Timothy Stacy's NPI number?

The NPI number for Timothy Stacy is 1457356479. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Timothy Stacy located?

Timothy Stacy practices at 4955 Van Nuys Blvd Suite 502, Sherman Oaks, CA 91403. The listed phone number is (818) 325-0200.

What is Timothy Stacy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Timothy Stacy enrolled in Medicare?

Yes. Timothy Stacy 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 Timothy Stacy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Stacy reassigns Medicare benefits to 7 organizations: Paradigm Healthcare Solutions, Inc (Sherman Oaks, CA), Epic Medical Group,inc (Sherman Oaks, CA), St. Joseph Intensivist Group, Inc. (Burbank, CA), Arcadia Hospitalist Medical Group (Manhattan Beach, CA), Arcadia Intensivist Group, Inc. (Arcadia, CA) and 2 more organizations, listed in the Medicare section above. 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 Timothy Stacy'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 Timothy Stacy was last updated on February 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.