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RANJIT KAUR REEN M.D.
NPI 1568512432
Internal Medicine in Fremont, CA

Active since January 11, 2007PECOS EnrolledAccepts Medicare Assignment
1900 MOWRY AVE, 101, FREMONT, CA 94538(510) 791-5500(510) 790-9456 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ranjit Kaur Reen M.d. NPPES

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

RANJIT KAUR REEN M.D. (NPI 1568512432) is an individual internal medicine provider in Fremont, California, licensed in California (A52734) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1971).

NPPES Registry Identity

NPI1568512432
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRANJIT KAUR REENCredential: M.D.
Location Address1900 MOWRY AVE, 101Fremont, CA 94538-1722
Mailing Address1900 Mowry Ave, 101Fremont, CA 94538-1722 · (510) 791-5500 · Fax (510) 790-9456
Phone(510) 791-5500
Fax(510) 790-9456
Sole ProprietorYes
Medical School CMSOtherGraduated 1971
Enumeration DateJanuary 11, 2007
Last NPPES UpdateJuly 9, 2007
✔ NPI 1568512432 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 · A52734
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.
1900 MOWRY AVE, Fremont, CA 94538
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Other Identifiers 6

Other030157CA · Hill Physicians Provider#
Medicare UPINE72209CA
Other00A527340CA · Bluesield Provider#
Other110132423CA · Railroad Provider#
Medicaid00A527340CA
Medicare ID-Type Unspecified00A527340CA · Provider#

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

Ranjit Kaur Reen 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 ID5597891184
PECOS Enrollment IDI20100408000072
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.

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.

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.
210 services90 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
194 services87 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers22 claims38 services$5.57 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier12 claims12 services$15.50 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers22 claims22 services$192.96 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 15

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

FREMONT VASCULAR AND VEIN INC
Specialist
1900 MOWRY AVE, SUITE 404
FREMONT, CA 94538
Alameda County (510) 509-2690
DR. ZULFIQAR ALI M.D
Internal Medicine
1900 MOWRY AVE, SUITE 105
FREMONT, CA 94538
Alameda County (510) 790-2422
ROMESH K JAPRA MD A MEDICAL CORPORATION
Non-Pharmacy Dispensing Site
1900 MOWRY AVE, SUITE 201
FREMONT, CA 94538
Alameda County (510) 790-2202
SWETHA LAKSHMI SINGH M.D.
Pediatrics
1900 MOWRY AVE, SUITE 404
FREMONT, CA 94538
Alameda County (510) 248-1800
PRADEEP KUMAR MD FACC FSCAI
Internal Medicine (Cardiovascular Disease)
1900 MOWRY AVE, SUITE 309
FREMONT, CA 94538
Alameda County (510) 790-9300
WILLIAM DUGONI MD
Surgery
1900 MOWRY AVE, SUITE 309
FREMONT, CA 94538
Alameda County (510) 248-1450
GLORIA G. CARREON, MD, PROFESSIONAL CORP
Internal Medicine
1900 MOWRY AVE, SUITE 202
FREMONT, CA 94538
Alameda County (510) 797-1554
RASHMI JAIN PATEL MD, INC
Clinic/Center (Primary Care)
1900 MOWRY AVE, SUITE 406
FREMONT, CA 94538
Alameda County (510) 797-2787

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 Ranjit Reen's NPI number?

The NPI number for Ranjit Reen is 1568512432. It was assigned to this individual provider in the NPPES registry on January 11, 2007.

Where is Ranjit Reen located?

Ranjit Reen practices at 1900 Mowry Ave 101, Fremont, CA 94538. The listed phone number is (510) 791-5500.

What is Ranjit Reen's specialty?

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

Is Ranjit Reen enrolled in Medicare?

Yes. Ranjit Reen 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 Ranjit Reen was last updated on July 9, 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.