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DR. NATRAJ AIYAPPAN SHANMUGAM M.D.
NPI 1043449465
Internal Medicine in College Station, TX

Active since July 07, 2009PECOS EnrolledAccepts Medicare AssignmentCLIA 45D2121610 · Waiver
1602 ROCK PRAIRIE RD, SUITE 210, COLLEGE STATION, TX 77845(979) 696-5663(979) 694-1319 Get Directions Write a Review

NPPES record last updated: February 24, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Natraj Aiyappan Shanmugam M.d. NPPES

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

DR. NATRAJ AIYAPPAN SHANMUGAM M.D. (NPI 1043449465) is an individual internal medicine provider in College Station, Texas, licensed in Texas (P8538) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through November 8, 2026, and is affiliated with Chi St Joseph Health Regional Hospital.

NPPES Registry Identity

NPI1043449465
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NATRAJ AIYAPPAN SHANMUGAMCredential: M.D.
Location Address1602 ROCK PRAIRIE RD, SUITE 210College Station, TX 77845-8306
Mailing Address1602 Rock Prairie Rd, Suite 210College Station, TX 77845-8306 · (979) 696-5663 · Fax (979) 694-1319
Phone(979) 696-5663
Fax(979) 694-1319
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 7, 2009
Last NPPES UpdateFebruary 24, 2016
✔ NPI 1043449465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · P8538
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.
1602 ROCK PRAIRIE RD, College Station, TX 77845
Open in Google Maps ↗

Other Identifiers 1

OtherP8538TX · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

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. Natraj Aiyappan Shanmugam M.d. 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 ID3577793363
PECOS Enrollment IDI20140221001399
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2121610

Natraj Shanmugam MD PA · College Station, TX
Active · expires Nov 8, 2026
CLIA Number45D2121610
Laboratory TypePhysician Office
Certificate Effective DateNovember 9, 2024
Certificate Expiration DateNovember 8, 2026
Laboratory DirectorNatraj A. Shanmugam
Laboratory Phone(979) 696-5663
Laboratory LocationNatraj Shanmugam MD PA1602 Rock Prairie Road, Suite 210, College Station, TX 77845
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
409 services131 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
239 services95 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
233 services72 patients
Blood glucose (sugar) level 82947
A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.
103 services54 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment 95250
This process involves a tiny sensor placed under your skin that checks your blood sugar levels in tissue fluid regularly. The sensor sends these readings to a device, allowing you to track your levels in real-time. This is provided by your healthcare provider.
30 services26 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
20 services16 patients

Hospital Affiliations CMS Care Compare

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

Chi St Joseph Health Regional Hospital

Acute Care Hospitals · Bryan, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450011
Location2801 Franciscan DrBryan, TX 77802 · Brazos County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77845 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
38%467 patients2/55-star benchmark: 99%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
93%3,398 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
18%851 patients1/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 34% · 676 patients
38%676 patients
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 304 patients
1%304 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 10

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
5 suppliers63 claims796 services$18.33 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers60 claims2,090 services$2.32 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
3 suppliers73 claims73 services$173.72 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
19 suppliers64 claims353 services$6.34 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers16 claims54 services$1.09 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers74 claims74 services$308.79 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

KENNETH E MATTHEWS MD
Pediatrics
1602 ROCK PRAIRIE RD, SUITE 340
COLLEGE STATION, TX 77845
Brazos County (979) 696-4440
DR. GARY LAMBERT MD
Family Medicine
1602 ROCK PRAIRIE RD, STE. 1100
COLLEGE STATION, TX 77845
Brazos County (979) 693-2586
JOSEPH JASON ROMAN MD
Internal Medicine
1602 ROCK PRAIRIE RD, SUITE 4880
COLLEGE STATION, TX 77845
Brazos County (979) 796-1111
DR. ANGELETTA L BROWN M.D.
Plastic Surgery
1602 ROCK PRAIRIE RD, SUITE #3300
COLLEGE STATION, TX 77845
Brazos County (979) 693-8100
JASON M. WEAVER, MD, PA
Dermatology
1602 ROCK PRAIRIE RD, SUITE 3400
COLLEGE STATION, TX 77845
Brazos County (409) 939-1618
DR. KELLY INGRID SULLIVAN MD
Pediatrics
1602 ROCK PRAIRIE RD, SUITE 340
COLLEGE STATION, TX 77845
Brazos County (979) 696-4440
REGIONAL EMPLOYEE ASSISTANCE PROGRAM INC
Internal Medicine
1602 ROCK PRAIRIE RD, STE 460
COLLEGE STATION, TX 77845
Brazos County (979) 696-0267
AFFILIATES FOR WOMENS HEALTH PA
Obstetrics & Gynecology (Gynecology)
1602 ROCK PRAIRIE RD, SUITE 430
COLLEGE STATION, TX 77845
Brazos County (979) 693-0737

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 Natraj Shanmugam's NPI number?

The NPI number for Natraj Shanmugam is 1043449465. It was assigned to this individual provider in the NPPES registry on July 7, 2009.

Where is Natraj Shanmugam located?

Natraj Shanmugam practices at 1602 Rock Prairie Rd Suite 210, College Station, TX 77845. The listed phone number is (979) 696-5663.

What is Natraj Shanmugam's specialty?

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

Is Natraj Shanmugam enrolled in Medicare?

Yes. Natraj Shanmugam 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.

Does Natraj Shanmugam hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2121610) is associated with this NPI, valid through November 8, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Natraj Shanmugam accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Natraj Shanmugam 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.

Is Natraj Shanmugam affiliated with any hospitals?

According to CMS data, Natraj Shanmugam is affiliated with Chi St Joseph Health Regional Hospital.

When was this NPI record last updated?

The NPPES record for Natraj Shanmugam was last updated on February 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.