DR. SHAMSUNDAR RAMRATTAN D.O.
NPI 1598968844
Internal Medicine in Canyon Country, CA

Q: What is Shamsundar Ramrattan's NPI number?

The NPI number for Shamsundar Ramrattan is 1598968844. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Q: What is Shamsundar Ramrattan's specialty?

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

Active since June 06, 2007PECOS EnrolledAccepts Medicare Assignment

83.99/100

CMS Quality Rating

28504 COLHARY CT, CANYON COUNTRY, CA 91387(661) 252-7580 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Dr. Shamsundar Ramrattan D.o. NPPES

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

DR. SHAMSUNDAR RAMRATTAN D.O. (NPI 1598968844) is an individual internal medicine provider in Canyon Country, California, licensed in California (2OA6991) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1993).

NPPES Registry Identity

NPI1598968844

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. SHAMSUNDAR RAMRATTANCredential: D.O.

Location Address28504 COLHARY CTCanyon Country, CA 91387-5316

Mailing Address28504 Colhary CtCanyon Country, CA 91387-5316 · (661) 252-7580

Phone(661) 252-7580

Sole ProprietorYes

Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 1993

Enumeration DateJune 6, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1598968844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 2OA6991

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.

28504 COLHARY CT, Canyon Country, CA 91387

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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. Shamsundar Ramrattan D.o. 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 ID4486672524

PECOS Enrollment IDI20051107000792

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91387 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.

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.

83.99/100

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

Scored as part of a group practice

Quality

74.53

Promoting Interoperability

Improvement Activities

Cost

68.53

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 Shamsundar Ramrattan's NPI number?

The NPI number for Shamsundar Ramrattan is 1598968844. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Where is Shamsundar Ramrattan located?

Shamsundar Ramrattan practices at 28504 Colhary Ct, Canyon Country, CA 91387. The listed phone number is (661) 252-7580.

What is Shamsundar Ramrattan's specialty?

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

Is Shamsundar Ramrattan enrolled in Medicare?

Yes. Shamsundar Ramrattan 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.

When was this NPI record last updated?

The NPPES record for Shamsundar Ramrattan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.