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

Active since April 16, 2020PECOS Enrolled
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: October 18, 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 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

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Richa S Singh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9830622059
PECOS Enrollment IDI20260123000262
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

2

Medicare enrollment records show Richa Singh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
26522 LA ALAMEDA, SUITE 120
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
Anesthesiology
101 MANNING DR
Chapel Hill, NC 27514
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,797 clinicians in this Medicare group

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

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

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 enrollment system.

Which organizations bill Medicare for Richa Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richa Singh reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Mission Viejo, CA) and University Of North Carolina At Chapel Hill (Chapel Hill, NC). 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 Richa Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Richa Singh accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Richa Singh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

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 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.