MR. ROBERT ALAN NATHAN MD
NPI 1487648077
Internal Medicine - Allergy & Immunology in Colorado Springs, CO

Q: What is Robert Nathan's NPI number?

The NPI number for Robert Nathan is 1487648077. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Q: What is Robert Nathan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Q: When was this NPI record last updated?

The NPPES record for Robert Nathan was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 September 09, 2005PECOS Enrolled

2709 N TEJON ST, COLORADO SPRINGS, CO 80907(719) 473-0872(719) 630-3658 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Mr. Robert Alan Nathan Md NPPES

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

MR. ROBERT ALAN NATHAN MD (NPI 1487648077) is an individual allergy & immunology provider in Colorado Springs, Colorado, licensed in Colorado (21249) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487648077

Entity TypeIndividualMale

Primary Taxonomy207RA0201X

Provider Legal NameMR. ROBERT ALAN NATHANCredential: MD

Location Address2709 N TEJON STColorado Springs, CO 80907-6231

Mailing Address2709 N Tejon StColorado Springs, CO 80907-6231 · (719) 473-0872 · Fax (719) 630-3658

Phone(719) 473-0872

Fax(719) 630-3658

Sole ProprietorNo

Enumeration DateSeptember 9, 2005

Last NPPES UpdateMarch 7, 2023

✔ NPI 1487648077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0201X

Licenses✔ Licensed in CO · 21249✔ Licensed in FL · 25825

Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

2709 N TEJON ST, Colorado Springs, CO 80907

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Other Identifiers 1

Medicaid01212497CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Robert Alan Nathan 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 Reassignment

Medicare enrollment records show Robert Nathan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Asthma & Allergy Associates, PC

Same address

Allergy & Immunology

2709 N TEJON ST
Colorado Springs, CO 80907

Reassigned Medicare billing, Colorado enrollment
12 clinicians in this Medicare group

NPI 1043204829 (719) 473-0872

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80907 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

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.

Other Providers at the Same Location NPPES 7

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

ASTHMA & ALLERGY ASSOCIATES, PC

Internal Medicine (Allergy & Immunology)