DR. RAJENDRA SINGH MD
NPI 1437267739
Emergency Medicine in Mason City, IA

Q: What is Rajendra Singh's NPI number?

The NPI number for Rajendra Singh is 1437267739. It was assigned to this individual provider in the NPPES registry on August 27, 2006.

Q: What is Rajendra Singh's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Rajendra Singh was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 27, 2006PECOS Enrolled

97.58/100

CMS Quality Rating

1000 4TH ST SW, SUITE ER, MASON CITY, IA 50401(641) 422-7234(641) 422-6373 Get Directions Write a Review

NPPES record last updated: September 1, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Rajendra Singh Md NPPES

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

DR. RAJENDRA SINGH MD (NPI 1437267739) is an individual emergency medicine provider in Mason City, Iowa, licensed in Iowa (32679) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437267739

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. RAJENDRA SINGHCredential: MD

Location Address1000 4TH ST SW, SUITE ERMason City, IA 50401-2800

Mailing Address621 S Illinois Ave, Suite 103Mason City, IA 50401-5489 · (641) 494-3041 · Fax (641) 494-3059

Phone(641) 422-7234

Fax(641) 422-6373

Sole ProprietorNo

Enumeration DateAugust 27, 2006

Last NPPES UpdateSeptember 1, 2020

NPPES CertifiedSeptember 1, 2020

✔ NPI 1437267739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IA · 32679

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1000 4TH ST SW, Mason City, IA 50401

Open in Google Maps ↗

Other Identifiers 2

Other33130IA · Wellmark

Medicaid2217232IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..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. Rajendra Singh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

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

Floyd County Memorial Hospital Commission

28 mi

Emergency Medicine

800 11TH ST
Charles City, IA 50616

Reassigned Medicare billing, Iowa enrollment
96 clinicians in this Medicare group

NPI 1346210408 (641) 228-6830

St Anthony Regional Hospital And Nursing Home

113 mi

Anatomic Pathology & Clinical Pathology

311 S CLARK ST
Carroll, IA 51401

Reassigned Medicare billing, Iowa enrollment
125 clinicians in this Medicare group

NPI 1629460555 (712) 792-3581

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 2

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

16 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50401 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

97.58/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.53

Promoting Interoperability

100

Improvement Activities

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.

LINDA S VOLD LISW

Social Worker (Clinical)

1000 4TH ST SW, SUITE BS
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7797

BURT HUMBURG MD

Internal Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

SUMATHY NAGRAJ IYENGAR M.D.,

Hospitalist

1000 4TH ST SW, MERCY MEDICAL CENTER-HOSPITALIST DEPT
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

DR. SATINDERJIT SINGH M.D.

Emergency Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7234

ASHLEY MATERN ARNP

Nurse Practitioner (Family)

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-6999

ROBERT D. FROEHNER CRNA

Nurse Anesthetist, Certified Registered

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

DR. THOMAS P DELANEY MD

Hospitalist

1000 4TH ST SW, SUITE HOSP
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

NORTH IOWA MERCY CLINICS

Nurse Practitioner

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-5932

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 Rajendra Singh's NPI number?

The NPI number for Rajendra Singh is 1437267739. It was assigned to this individual provider in the NPPES registry on August 27, 2006.

Where is Rajendra Singh located?

Rajendra Singh practices at 1000 4th St SW Suite ER, Mason City, IA 50401. The listed phone number is (641) 422-7234.

What is Rajendra Singh's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Rajendra Singh enrolled in Medicare?

Yes. Rajendra Singh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rajendra Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rajendra Singh reassigns Medicare benefits to 2 organizations: Floyd County Memorial Hospital Commission (Charles City, IA) and St Anthony Regional Hospital And Nursing Home (Carroll, IA). 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 Rajendra Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rajendra Singh accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Rajendra 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 Rajendra Singh was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.