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DR. RATHAN SADASHIVAN NAIR MD
NPI 1386956720
Internal Medicine in Harrisburg, PA

Active since July 13, 2010PECOS EnrolledAccepts Medicare Assignment
301 CHESTNUT ST, APT 712, PENNSLYVANIA PLACE, HARRISBURG, PA 17101(773) 412-9153 Get Directions Write a Review

NPPES record last updated: July 13, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Rathan Sadashivan Nair Md NPPES

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

DR. RATHAN SADASHIVAN NAIR MD (NPI 1386956720) is an individual internal medicine provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (MTI96428) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1386956720
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RATHAN SADASHIVAN NAIRCredential: MD
Location Address301 CHESTNUT ST, APT 712, PENNSLYVANIA PLACEHarrisburg, PA 17101-2755
Mailing Address301 Chestnut St, Apt 712, Pennslyvania PlaceHarrisburg, PA 17101-2755 · (773) 412-9153
Phone(773) 412-9153
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 13, 2010
✔ NPI 1386956720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MTI96428
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
301 CHESTNUT ST, Harrisburg, PA 17101
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Rathan Sadashivan Nair 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 ID9830325349
PECOS Enrollment IDI20131111001180
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 Rathan Nair reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cogent Healthcare Of Arizona PC
1,951 mi
Internal Medicine
5700 E HIGHWAY 90
Sierra Vista, AZ 85635
  • Reassigned Medicare billing, Arizona enrollment
  • 372 clinicians in this Medicare group
NPI 1568758266 (520) 417-4594
Arizona Inpatient Medicine Associates LLC
1,962 mi
Internal Medicine
7383 E TANQUE VERDE RD
Tucson, AZ 85715
  • Reassigned Medicare billing, Arizona enrollment
  • 111 clinicians in this Medicare group
NPI 1083647754 (520) 318-3434

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
482 services151 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
174 services172 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
100 services98 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
85 services85 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17101 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers12 claims12 services$13.58 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers55 claims55 services$62.11 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$31.77 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier13 claims13 services$31.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Rathan Nair's NPI number?

The NPI number for Rathan Nair is 1386956720. It was assigned to this individual provider in the NPPES registry on July 13, 2010.

Where is Rathan Nair located?

Rathan Nair practices at 301 Chestnut St Apt 712, Pennslyvania Place, Harrisburg, PA 17101. The listed phone number is (773) 412-9153.

What is Rathan Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rathan Nair enrolled in Medicare?

Yes. Rathan Nair 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.

Which organizations bill Medicare for Rathan Nair's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rathan Nair reassigns Medicare benefits to 2 organizations: Cogent Healthcare Of Arizona PC (Sierra Vista, AZ) and Arizona Inpatient Medicine Associates LLC (Tucson, AZ). 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 Rathan Nair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rathan Nair accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Rathan Nair 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 Rathan Nair was last updated on July 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.