MARK DANIELS M.D.
NPI 1831149905
Internal Medicine - Cardiovascular Disease in Bellingham, WA

Q: What is Mark Daniels's NPI number?

The NPI number for Mark Daniels is 1831149905. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Q: What is Mark Daniels'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 Mark Daniels was last updated on July 20, 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 May 11, 2006PECOS EnrolledAccepts Medicare Assignment

2979 SQUALICUM PKWY, SUITE 101, BELLINGHAM, WA 98225(360) 734-2700(360) 734-8362 Get Directions Write a Review

NPPES record last updated: July 20, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mark Daniels M.d. NPPES

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

MARK DANIELS M.D. (NPI 1831149905) is an individual cardiovascular disease provider in Bellingham, Washington, licensed in Washington (MD00039185) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of New York Medical College (1986).

NPPES Registry Identity

NPI1831149905

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMARK DANIELSCredential: M.D.

Location Address2979 SQUALICUM PKWY, SUITE 101Bellingham, WA 98225-1811

Mailing AddressPo Box 5096Bellingham, WA 98227-5096 · (360) 734-2700 · Fax (360) 734-8362

Phone(360) 734-2700

Fax(360) 734-8362

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 1986

Enumeration DateMay 11, 2006

Last NPPES UpdateJuly 20, 2011

✔ NPI 1831149905 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 WA · MD00039185

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 MedicineTaxonomy 207R00000X · License MD00039185 (WA)

2979 SQUALICUM PKWY, Bellingham, WA 98225

Open in Google Maps ↗

Other Identifiers 13

OtherGAB26184WA · Medicare Pin For Sjmc

Other5442DAWA · Regence Blue Shield

Medicare PINGAB17197WA

Other060066730WA · Railroad Medicare

OtherG008WA · Tri West (tricare)

Medicaid1831149905WA

Medicaid8265027WA

Medicare PING89000990WA

Other82107WA · L&i And Crime Victims For Sjmc

Medicare UPING46235WA

Other0279972WA · L&i And Crime Victims For Phmg

Other5104548WA · Aetna

MedicaidMD2373WAK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Mark Daniels 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 ID345341632

PECOS Enrollment IDI20100511000597, I20111020000306

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

Peacehealth

0.1 mi

Internal Medicine

2901 SQUALICUM PKWY
Bellingham, WA 98225

Reassigned Medicare billing, Washington enrollment
390 clinicians in this Medicare group

NPI 1356309553 (360) 734-5400

Peacehealth Medical Group - Sedro Woolley

21 mi

Family Medicine

1990 HOSPITAL DR
Sedro Woolley, WA 98284

Reassigned Medicare billing, Washington enrollment
106 clinicians in this Medicare group

NPI 1407283179 (360) 856-8810

Peacehealth

31 mi

Emergency Medicine

1117 SPRING ST.
Friday Harbor, WA 98250

Reassigned Medicare billing, Washington enrollment
92 clinicians in this Medicare group

NPI 1508129842 (360) 378-2141

Peacehealth

600 mi

Diagnostic Radiology

3100 TONGASS AVE
Ketchikan, AK 99901

Reassigned Medicare billing, Alaska enrollment
156 clinicians in this Medicare group

NPI 1801965736 (907) 228-8300

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 29

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.

1,239 services999 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.

507 services504 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.

417 services308 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

354 services35 patients

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

184 services173 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

137 services18 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

132 services129 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

127 services127 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.

87 services87 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.

84 services84 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.

84 services50 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.

83 services83 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.

81 services81 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

78 services78 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.

57 services50 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.

56 services56 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

46 services44 patients

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

42 services42 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

40 services40 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.

40 services39 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

36 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

35 services34 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

28 services27 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

27 services27 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.

27 services27 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.

23 services23 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.

21 services15 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

13 services13 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500003

Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County

Emergency services Birthing friendly

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500030

Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County

Emergency services Birthing friendly

Peacehealth United General Medical Center

Critical Access Hospitals · Sedro Woolley, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501329

Location2000 Hospital DriveSedro Woolley, WA 98284 · Skagit County

Emergency services

Peacehealth Peace Island Medical Center

Critical Access Hospitals · Friday Harbor, WA

OwnershipVoluntary non-profit - Private

CMS Certification Number501340

Location1117 Spring StreetFriday Harbor, WA 98250 · San Juan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98225 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

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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 20

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

DAVID FLARRY NP

Nurse Practitioner

2979 SQUALICUM PKWY
BELLINGHAM, WA 98225

Whatcom County (360) 734-2700

HANNAH SHEININ MD

Internal Medicine (Gastroenterology)

2979 SQUALICUM PKWY, SUITE 301
BELLINGHAM, WA 98225

Whatcom County (360) 734-1420

JESSICA M S VITTENGL ARNP

Nurse Practitioner

2979 SQUALICUM PKWY, SUITE 101
BELLINGHAM, WA 98225

Whatcom County (360) 734-2700

DR. DAVID DROULLARD MD

Colon & Rectal Surgery

2979 SQUALICUM PKWY
BELLINGHAM, WA 98225

Whatcom County (360) 788-8200

TODD N WITTE M.D.

Internal Medicine (Gastroenterology)

2979 SQUALICUM PKWY, SUITE 301
BELLINGHAM, WA 98225

Whatcom County (360) 734-1420

PETER ALAN BEGLIN M.D.

Internal Medicine (Interventional Cardiology)

2979 SQUALICUM PKWY, SUITE 101
BELLINGHAM, WA 98225

Whatcom County (360) 734-2700

DR. JAMES CHRISTOPHER RUSSO PHARMD

Pharmacist

2979 SQUALICUM PKWY, SUITE 101
BELLINGHAM, WA 98225

Whatcom County (360) 788-6934

THOMAS ARTHUR OLIVER M.D.

Internal Medicine (Cardiovascular Disease)

2979 SQUALICUM PKWY, SUITE 101
BELLINGHAM, WA 98225

Whatcom County (360) 734-2700

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 Mark Daniels's NPI number?

The NPI number for Mark Daniels is 1831149905. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Mark Daniels located?

Mark Daniels practices at 2979 Squalicum Pkwy Suite 101, Bellingham, WA 98225. The listed phone number is (360) 734-2700.

What is Mark Daniels's specialty?

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

Is Mark Daniels enrolled in Medicare?

Yes. Mark Daniels 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 Mark Daniels's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Daniels reassigns Medicare benefits to 4 organizations: Peacehealth (Bellingham, WA), Peacehealth Medical Group - Sedro Woolley (Sedro Woolley, WA), Peacehealth (Friday Harbor, WA) and Peacehealth (Ketchikan, AK). 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 Mark Daniels's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Daniels accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mark Daniels 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 Mark Daniels affiliated with any hospitals?

According to CMS data, Mark Daniels is affiliated with Skagit Valley Hospital, St Joseph Hospital, Peacehealth United General Medical Center and Peacehealth Peace Island Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Daniels was last updated on July 20, 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.