Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. RICHA S SINGH MD
NPI 1902426265
Psychiatry & Neurology - Neurology in Mission Viejo, CA

Active since April 16, 2020PECOS EnrolledAccepts Medicare Assignment
26800 CROWN VALLEY PKWY STE 385, MISSION VIEJO, CA 92691(949) 542-8002 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2026, Jan 14, 2026, Dec 2, 2025 and 1 more (4 updates tracked since 2020).

About Dr. Richa S Singh Md NPPES

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

DR. RICHA S SINGH MD (NPI 1902426265) is an individual neurology provider in Mission Viejo, California, licensed in California (A209814) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1902426265
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. RICHA S SINGHCredential: MD
Location Address26800 CROWN VALLEY PKWY STE 385Mission Viejo, CA 92691-7320
Mailing Address26800 Crown Valley Pkwy Ste 385Mission Viejo, CA 92691-7320 · (949) 542-8002
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 16, 2020
Last NPPES UpdateJuly 10, 20264 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1902426265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in CA · A209814 Licensed in FL · ME178504
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
26800 CROWN VALLEY PKWY STE 385, Mission Viejo, CA 92691

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. Richa S Singh Md 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 ID9830622059
PECOS Enrollment IDI20241028000074
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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 6

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

Psychiatry & Neurology (Vascular Neurology)
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691
Physician Assistant
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691
Psychiatry & Neurology (Neuromuscular Medicine)
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691
Nurse Practitioner
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691
Psychiatry & Neurology (Neurology)
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691
Psychiatry & Neurology (Neurology)
26800 CROWN VALLEY PKWY STE 385
MISSION VIEJO, CA 92691

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 Richa Singh's NPI number?

The NPI number for Richa Singh is 1902426265. It was assigned to this individual provider in the NPPES registry on April 16, 2020.

Where is Richa Singh located?

Richa Singh practices at 26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA 92691. The listed phone number is (949) 542-8002.

What is Richa Singh's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Richa Singh enrolled in Medicare?

Yes. Richa Singh 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.

Is Richa Singh affiliated with any hospitals?

According to CMS data, Richa Singh is affiliated with Unc Hospitals.

When was this NPI record last updated?

The NPPES record for Richa Singh was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.