MARIA THERESA SANTOS M.D.
NPI 1821316274
Internal Medicine - Cardiovascular Disease in Bloomfield, CT

Q: What is Maria Santos's NPI number?

The NPI number for Maria Santos is 1821316274. It was assigned to this individual provider in the NPPES registry on May 10, 2010.

Q: What is Maria Santos'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 Maria Santos was last updated on October 20, 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.

Active since May 10, 2010PECOS EnrolledAccepts Medicare Assignment

711 COTTAGE GROVE ROAD, BLOOMFIELD, CT 06002(860) 242-8756(860) 242-3052 Get Directions Write a Review

NPPES record last updated: October 20, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 20, 2016, Sep 16, 2016 (2 updates tracked since 2016).

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About Maria Theresa Santos M.d. NPPES

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

MARIA THERESA SANTOS M.D. (NPI 1821316274) is an individual cardiovascular disease provider in Bloomfield, Connecticut, licensed in Connecticut (053575) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1821316274

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameMARIA THERESA SANTOSCredential: M.D.

Location Address711 COTTAGE GROVE ROADBloomfield, CT 06002-3060

Mailing Address711 Cottage Grove RoadBloomfield, CT 06002-3060 · (860) 242-8756 · Fax (860) 242-3052

Phone(860) 242-8756

Fax(860) 242-3052

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateMay 10, 2010

Last NPPES UpdateOctober 20, 20162 updates tracked since enumeration

✔ NPI 1821316274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CT · 053575

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.

711 COTTAGE GROVE ROAD, Bloomfield, CT 06002

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Other Identifiers 3

Medicaid008057720CT

OtherD400221345CT · Medicare

OtherP01712135CT · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Maria Theresa Santos 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 ID8628389350

PECOS Enrollment IDI20150622000807

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 Maria Santos reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prohealth Physicians PC

6.9 mi

Family Medicine

3 FARM GLEN BLVD, PROHEALTH PHYSICIANS
Farmington, CT 06032

Reassigned Medicare billing, Connecticut enrollment
496 clinicians in this Medicare group

NPI 1720194053 (860) 284-5200

Starling Physicians, PLLC

9.8 mi

Internal Medicine

1210 SILAS DEANE HWY
Wethersfield, CT 06109

Reassigned Medicare billing, Connecticut enrollment
468 clinicians in this Medicare group

NPI 1306779905 (860) 832-4666

The Hospital Of Central Connecticut At New Britain General And Bradley

11 mi

Hospitalist

100 GRAND ST
New Britain, CT 06052

Reassigned Medicare billing, Connecticut enrollment
745 clinicians in this Medicare group

NPI 1063461481 (860) 224-5305

Bristol Hospital Multi Specialty Group, Inc

15 mi

General Practice

15 RIVERSIDE AVE
Bristol, CT 06010

Reassigned Medicare billing, Connecticut enrollment
222 clinicians in this Medicare group

NPI 1649265679 (860) 585-3906

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 23

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.

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.

671 services487 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.

490 services228 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.

268 services155 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

199 services123 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.

162 services160 patients

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

116 services111 patients

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.

68 services43 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

68 services17 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

51 services26 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

30 services28 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.

28 services28 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

27 services27 patients

Injection, perflutren lipid microspheres, per ml Q9957

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

26 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

23 services23 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

21 services21 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

20 services20 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

19 services17 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

19 services17 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.

18 services18 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

17 services17 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06002 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

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.

Other Providers at the Same Location NPPES

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

COTTAGE GROVE CARDIOLOGY, P.C.

Internal Medicine (Cardiovascular Disease)

711 COTTAGE GROVE ROAD
BLOOMFIELD, CT 06002

Capitol Planning Region (860) 242-8756

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 Maria Santos's NPI number?

The NPI number for Maria Santos is 1821316274. It was assigned to this individual provider in the NPPES registry on May 10, 2010.

Where is Maria Santos located?

Maria Santos practices at 711 Cottage Grove Road, Bloomfield, CT 06002. The listed phone number is (860) 242-8756.

What is Maria Santos's specialty?

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

Is Maria Santos enrolled in Medicare?

Yes. Maria Santos 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 Maria Santos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Santos reassigns Medicare benefits to 4 organizations: Prohealth Physicians PC (Farmington, CT), Starling Physicians, PLLC (Wethersfield, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT) and Bristol Hospital Multi Specialty Group, Inc (Bristol, CT). 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 Maria Santos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Santos accept?

Health plans from Anthem Blue Cross and Blue Shield list Maria Santos 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 Maria Santos was last updated on October 20, 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.