CARL JEFFREY CARLSON M.D.
NPI 1386669489
Internal Medicine - Cardiovascular Disease in Fremont, CA

Q: What is Carl Carlson's NPI number?

The NPI number for Carl Carlson is 1386669489. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Q: What is Carl Carlson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Carl Carlson was last updated on March 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 July 12, 2006PECOS EnrolledAccepts Medicare Assignment

11.34/100

CMS Quality Rating

2333 MOWRY AVE, SUITE 220, FREMONT, CA 94538(510) 792-2012(510) 792-7986 Get Directions Write a Review

NPPES record last updated: March 18, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Carl Jeffrey Carlson M.d. NPPES

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

CARL JEFFREY CARLSON M.D. (NPI 1386669489) is an individual cardiovascular disease provider in Fremont, California, licensed in California (G29295) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1969).

NPPES Registry Identity

NPI1386669489

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameCARL JEFFREY CARLSONCredential: M.D.

Location Address2333 MOWRY AVE, SUITE 220Fremont, CA 94538-1700

Mailing Address2333 Mowry Ave, Suite 220Fremont, CA 94538-1700 · (510) 792-2012 · Fax (510) 792-7986

Phone(510) 792-2012

Fax(510) 792-7986

Sole ProprietorYes

Medical School CMSTufts University School Of MedicineGraduated 1969

Enumeration DateJuly 12, 2006

Last NPPES UpdateMarch 18, 2011

✔ NPI 1386669489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · G29295

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License G29295 (CA)

2333 MOWRY AVE, Fremont, CA 94538

Open in Google Maps ↗

Other Identifiers 6

Other00G292950CA · Bluecross And Blueshield

Medicaid00G292950CA

Medicare PIN00G292950CA

Medicare UPINA44008CA

Other060006330CA · Railroad Medicare

OtherA44008CA · Commercial

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

Carl Jeffrey Carlson 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 ID1456403757

PECOS Enrollment IDI20090717000191

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

Medicare enrollment records show Carl Carlson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

California Cardiovascular Consultants

Same address

Internal Medicine

2333 MOWRY AVE, SUITE 300
Fremont, CA 94538

Reassigned Medicare billing, California enrollment
47 clinicians in this Medicare group

NPI 1932202959 (510) 796-0222

Washington Township Hospital District

0.2 mi

General Acute Care Hospital

2000 MOWRY AVE
Fremont, CA 94538

Reassigned Medicare billing, California enrollment
68 clinicians in this Medicare group

NPI 1679624407 (510) 797-1111

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 13

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.

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

1,838 services81 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

875 services83 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

866 services83 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

563 services492 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.

388 services172 patients

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.

206 services158 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.

76 services65 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

64 services59 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

55 services51 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

49 services34 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

39 services39 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

12 services12 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.

11 services11 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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.

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.

11.34/100

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

Individually scored

Quality

Improvement Activities

Cost

37.81

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

7 suppliers17 claims43 services$5.98 avg. paid by Medicare

Continent device; catheter for continent stoma A5082

DME-Orthotic Devices · category DF010N

1 supplier12 claims29 services$10.69 avg. paid by Medicare

Continent device, stoma absorptive cover for continent stoma A5083

DME-Orthotic Devices · category DF010N

1 supplier12 claims1,800 services$0.53 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers17 claims17 services$37.60 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 17

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

DR. SCOTT KRAMER M.D.

Obstetrics & Gynecology (Gynecology)

2333 MOWRY AVE, SUITE 201
FREMONT, CA 94538

Alameda County (510) 796-0510

MICHELLE HTUN M.D

Internal Medicine

2333 MOWRY AVE, SUITE # 300
FREMONT, CA 94538

Alameda County (510) 796-0222

FRANK PETER HOCHMAN M.D.

Family Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 797-2939

DR. PADMAVATHI KUDARAVALLI MD

Internal Medicine

2333 MOWRY AVE, STE 300
FREMONT, CA 94538

Alameda County (510) 284-4100

DR. ASHIT JAIN M.D.

Internal Medicine (Cardiovascular Disease)

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

CALIFORNIA CARDIOVASCULAR

Internal Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

SIMIN SIDDIQ M.D.

Internal Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

DR. EDWARD JOHN MEYER M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

2333 MOWRY AVE, STE 300
FREMONT, CA 94538

Alameda County (530) 899-9112

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 Carl Carlson's NPI number?

The NPI number for Carl Carlson is 1386669489. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Carl Carlson located?

Carl Carlson practices at 2333 Mowry Ave Suite 220, Fremont, CA 94538. The listed phone number is (510) 792-2012.

What is Carl Carlson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Carl Carlson enrolled in Medicare?

Yes. Carl Carlson 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 Carl Carlson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carl Carlson reassigns Medicare benefits to 2 organizations: California Cardiovascular Consultants (Fremont, CA) and Washington Township Hospital District (Fremont, CA). 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 Carl Carlson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carl Carlson was last updated on March 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.