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DR. CLIFFORD CARL DOUGLAS MD, PH.D.
NPI 1932166485
Neurological Surgery in Riverside, CA

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
4510 BROCKTON AVE STE 175, RIVERSIDE, CA 92501(951) 786-5550 Get Directions Write a Review

NPPES record last updated: April 4, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 4, 2024, Dec 18, 2015 (2 updates tracked since 2015).

About Dr. Clifford Carl Douglas Md, Ph.d. NPPES

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

DR. CLIFFORD CARL DOUGLAS MD, PH.D. (NPI 1932166485) is an individual neurological surgery provider in Riverside, California, licensed in California (G70288) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1989).

NPPES Registry Identity

NPI1932166485
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. CLIFFORD CARL DOUGLASCredential: MD, PH.D.
Location Address4510 BROCKTON AVE STE 175Riverside, CA 92501-4020
Mailing AddressPo Box 743111Atlanta, GA 30374-3111
Phone(951) 786-5550
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 1989
Enumeration DateApril 27, 2006
Last NPPES UpdateApril 4, 20242 updates tracked since enumeration
NPPES CertifiedApril 4, 2024
✔ NPI 1932166485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · G70288
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
4510 BROCKTON AVE STE 175, Riverside, CA 92501
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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. Clifford Carl Douglas Md, Ph.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 ID3678537990
PECOS Enrollment IDI20041116001251
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 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.

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.
47 services40 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
46 services45 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
43 services37 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
24 services24 patients
Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853
Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.
23 services15 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
23 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
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.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Other Providers at the Same Location NPPES 3

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

GENEVIEVE A LONG PA-C
Physician Assistant
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Riverside County (951) 786-5550
NIKHIL SAHASRABUDHE
Neurological Surgery
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Riverside County (951) 786-5550
BELINDA DELATORRE PHYSICIAN ASSISTANT
Physician Assistant
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Riverside County (951) 786-5550

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 Clifford Douglas's NPI number?

The NPI number for Clifford Douglas is 1932166485. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Clifford Douglas located?

Clifford Douglas practices at 4510 Brockton Ave Ste 175, Riverside, CA 92501. The listed phone number is (951) 786-5550.

What is Clifford Douglas's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Clifford Douglas enrolled in Medicare?

Yes. Clifford Douglas 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 Clifford Douglas was last updated on April 4, 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.