ADAM C MASON M.D.
NPI 1902824287
Internal Medicine - Cardiovascular Disease in Anchorage, AK

Q: What is Adam Mason's NPI number?

The NPI number for Adam Mason is 1902824287. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Adam Mason'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 Adam Mason was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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 17, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

3841 PIPER STREET, SUITE T100, ANCHORAGE, AK 99508(907) 561-3211(907) 562-7547 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Adam C Mason M.d. NPPES

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

ADAM C MASON M.D. (NPI 1902824287) is an individual cardiovascular disease provider in Anchorage, Alaska, licensed in Alaska (5639) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1999).

NPPES Registry Identity

NPI1902824287

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameADAM C MASONCredential: M.D.

Location Address3841 PIPER STREET, SUITE T100Anchorage, AK 99508

Mailing Address3841 Piper St Ste T100Anchorage, AK 99508-4674 · (907) 561-3211 · Fax (907) 562-7547

Phone(907) 561-3211

Fax(907) 562-7547

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 1999

Enumeration DateJuly 17, 2006

Last NPPES UpdateJanuary 15, 2026

NPPES CertifiedJanuary 15, 2026

✔ NPI 1902824287 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 AK · 5639

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 5639 (AK)

3841 PIPER STREET, Anchorage, AK 99508

Open in Google Maps ↗

Other Identifiers 1

Medicaid1015475AK

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

Adam C Mason 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 ID6608891833

PECOS Enrollment IDI20051006000995

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 Adam Mason reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Alaska Heart Institute

Same address

Cardiovascular Disease

3841 PIPER STREET, SUITE T100
Anchorage, AK 99508

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

NPI 1992744114 (907) 561-3211

Providence Health & Services Washington

0.2 mi

General Acute Care Hospital

3200 PROVIDENCE DRIVE
Anchorage, AK 99506

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

NPI 1467547265 (907) 212-6522

Mat Su Valley Medical Center LLC

31 mi

Urgent Care

950 E BOGARD RD STE 103
Wasilla, AK 99654

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

NPI 1912950148 (907) 352-2880

South Peninsula Hospital Kenai Clinic

65 mi

Otolaryngology

220 SPUR VIEW DR
Kenai, AK 99611

Reassigned Medicare billing, Alaska enrollment
Medicare enrollment name: South Peninsula Hospital Inc
161 clinicians in this Medicare group

NPI 1164358529 (907) 235-8101

Providence Health & Services Washington

251 mi

Emergency Medical Services

1915 E REZANOF DR
Kodiak, AK 99615

Reassigned Medicare billing, Alaska enrollment
Also billed through NPI 1013905660 (Alaska)
73 clinicians in this Medicare group

NPI 1952430902 (907) 486-3281

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 35

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,305 services14 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.

1,242 services1,045 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.

488 services122 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.

468 services328 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.

338 services331 patients

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

237 services231 patients

Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries A9555

Rubidium Rb-82 is a radioactive drug used in a PET scan to help visualize the heart. It helps detect areas with poor blood flow, aiding in diagnosing heart conditions. The dose is up to 60 millicuries per study.

204 services102 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.

155 services63 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.

139 services139 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.

136 services120 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.

122 services12 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.

116 services12 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress 78492

Nuclear medicine studies help visualize blood flow in your heart at rest and during stress. A small amount of radioactive substance is injected, which your heart absorbs. Images are then taken to assess your heart's health and function.

103 services103 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.

78 services39 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.

59 services55 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.

50 services50 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.

45 services43 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.

39 services38 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.

38 services38 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.

38 services36 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.

32 services30 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

27 services26 patients

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

25 services25 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.

25 services13 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.

24 services21 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.

24 services16 patients

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

23 services23 patients

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

18 services18 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.

17 services17 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.

14 services14 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.

14 services14 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

13 services13 patients

Ultrasound of heart, follow-up 93308

13 services12 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.

13 services13 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99508 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

$168.20 typical visit price

range $71.33 – $222.64

Typical copayment $42.05 (range $17.83 – $55.66)

Most-billed visit code 99204

Established Patient

$90.40 typical visit price

range $21.84 – $181.48

Typical copayment $22.60 (range $5.46 – $45.37)

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.

100/100

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

Scored as part of a group practice

Quality

91.82

Promoting Interoperability

Improvement Activities

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.

THOMAS K KRAMER M.D.

Internal Medicine (Interventional Cardiology)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

DAVID A HEMRY MD

Allergy & Immunology

3841 PIPER STREET, SUITE T4-054
ANCHORAGE, AK 99508

Anchorage Municipality (907) 562-6228

RONDA RENEA NAKOA PNP

Nurse Practitioner (Pediatrics)

3841 PIPER STREET, SUITE T4-020
ANCHORAGE, AK 99508

Anchorage Municipality (907) 929-7337

LEO B BUSTAD M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

DR. GREGORY JOHN SEMANCIK M.D.

Pediatrics (Pediatric Gastroenterology)

3841 PIPER STREET, SUITE T4-020
ANCHORAGE, AK 99508

Anchorage Municipality (907) 929-7337

MS. BRENDA J WITTMAN M.D.

Pediatrics (Pediatric Hematology-Oncology)

3841 PIPER STREET, SUITE T4-020
ANCHORAGE, AK 99508

Anchorage Municipality (907) 929-7337

MARIO BINDER M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

JOHN C FINLEY M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

DAVID W SONNEBORN M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

DR. MELINDA MCNEAL RATHKOPF M.D.

Allergy & Immunology

3841 PIPER STREET, SUITE T4-054
ANCHORAGE, AK 99508

Anchorage Municipality (907) 562-6228

RICHARD A ANSCHUETZ M.D.

Internal Medicine (Interventional Cardiology)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

VICKI L VERMILLION ANP

Nurse Practitioner (Family)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

KATRINA ELEANOR VANDYCK RN

Registered Nurse

3841 PIPER STREET, STE T4-054
ANCHORAGE, AK 99508

Anchorage Municipality (907) 562-6228

WILLIAM P MAYER M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

ALASKA EAR NOSE & THROAT, INC

Otolaryngology

3841 PIPER STREET, STE. T4-348
ANCHORAGE, AK 99508

Anchorage Municipality (907) 261-3096

ALYESKA FAMILY MEDICINE INC

General Practice

3841 PIPER STREET, SUITE T3162
ANCHORAGE, AK 99508

Anchorage Municipality (907) 258-1258

KRZYSZTOF W BALABAN M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

STEVEN J COMPTON M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

ALAN E SKOLNICK M.D.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

LINDA A IRELAND D.O.

Internal Medicine (Cardiovascular Disease)

3841 PIPER STREET, SUITE T100
ANCHORAGE, AK 99508

Anchorage Municipality (907) 561-3211

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 Adam Mason's NPI number?

The NPI number for Adam Mason is 1902824287. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Adam Mason located?

Adam Mason practices at 3841 Piper Street Suite T100, Anchorage, AK 99508. The listed phone number is (907) 561-3211.

What is Adam Mason's specialty?

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

Is Adam Mason enrolled in Medicare?

Yes. Adam Mason 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 Adam Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Mason reassigns Medicare benefits to 5 organizations: Alaska Heart Institute (Anchorage, AK), Providence Health & Services Washington (Anchorage, AK), Mat Su Valley Medical Center LLC (Wasilla, AK), South Peninsula Hospital Kenai Clinic (Kenai, AK) and Providence Health & Services Washington (Kodiak, 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 Adam Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Mason accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Adam Mason 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 Adam Mason was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.