ADAM WILLIAM CALDWELL MD
NPI 1881954352
Internal Medicine - Cardiovascular Disease in Augusta, ME

Q: What is Adam Caldwell's NPI number?

The NPI number for Adam Caldwell is 1881954352. It was assigned to this individual provider in the NPPES registry on May 18, 2012.

Q: What is Adam Caldwell'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 Caldwell was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 May 18, 2012PECOS EnrolledAccepts Medicare Assignment

98.06/100

CMS Quality Rating

35 MEDICAL CENTER PKWY STE 101, AUGUSTA, ME 04330(207) 430-4321(207) 430-4320 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2026, Jun 20, 2019, Dec 12, 2016 (3 updates tracked since 2016).

On this page

About Adam William Caldwell Md NPPES

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

ADAM WILLIAM CALDWELL MD (NPI 1881954352) is an individual cardiovascular disease provider in Augusta, Maine, licensed in Maine (MD22836) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1881954352

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameADAM WILLIAM CALDWELLCredential: MD

Location Address35 MEDICAL CENTER PKWY STE 101Augusta, ME 04330-8160

Mailing Address35 Medical Center Pkwy Ste 101Augusta, ME 04330-8160 · (207) 430-4321 · Fax (207) 430-4320

Phone(207) 430-4321

Fax(207) 430-4320

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateMay 18, 2012

Last NPPES UpdateMarch 5, 20263 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1881954352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in ME · MD22836

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 2015-00438 (NC), MD22836 (ME)

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License MD22836 (ME)

35 MEDICAL CENTER PKWY STE 101, Augusta, ME 04330

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Secondary Practice Locations 4

Location 1181 Franklin Health CmnsFarmington, ME 04938-6144 · Phone (207) 779-3120 · Fax (207) 779-2901

Location 2111 Franklin Health CmnsFarmington, ME 04938-6144 · Phone (207) 779-2734 · Fax (207) 779-2157

Location 3149 North StWaterville, ME 04901-4974 · Phone (207) 872-1800 · Fax (207) 872-1049

Location 422 Bramhall StPortland, ME 04102-3134 · Phone (207) 662-2414 · Fax (207) 662-6006

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.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 William Caldwell Md 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 ID5597981464

PECOS Enrollment IDI20190725001052

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

Mainegeneral Medical Center

Same address

General Acute Care Hospital

35 MEDICAL CENTER PARKWAY
Augusta, ME 04330

Reassigned Medicare billing, Maine enrollment
978 clinicians in this Medicare group

NPI 1083949184 (207) 872-4454

Mainehealth

25 mi

Family Medicine

49 HOOPER ST
Wiscasset, ME 04578

Reassigned Medicare billing, Maine enrollment
Also billed through NPI 1922791417 (Maine)
3,140 clinicians in this Medicare group

NPI 1750861530 (207) 882-7911

Redington-Fairview General Hospital

28 mi

Critical Access

46 FAIRVIEW AVE
Skowhegan, ME 04976

Reassigned Medicare billing, Maine enrollment
124 clinicians in this Medicare group

NPI 1174549133 (207) 474-5121

Maine Medical Partners

55 mi

Obstetrics & Gynecology

887 CONGRESS ST, SUITE 200
Portland, ME 04102

Reassigned Medicare billing, Maine enrollment
229 clinicians in this Medicare group

NPI 1104921535 (207) 771-5549

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 17

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.

634 services513 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.

148 services148 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.

126 services104 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.

101 services94 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 services41 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.

65 services30 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.

35 services35 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.

26 services26 patients

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

23 services22 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.

21 services21 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.

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

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

15 services14 patients

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

13 services13 patients

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

12 services12 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.

12 services12 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

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.

Maine Medical Center

Acute Care Hospitals · Portland, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200009

Location22 Bramhall StPortland, ME 04102 · Cumberland County

Emergency services Birthing friendly

Maine General Medical Center

Acute Care Hospitals · Augusta, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number200039

Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County

Emergency services Birthing friendly

Waldo County General Hospital

Critical Access Hospitals · Belfast, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number201312

Location118 Northport AveBelfast, ME 04915 · Waldo County

Emergency services Birthing friendly

Redington Fairview General Hospital

Critical Access Hospitals · Skowhegan, ME

4/5 CMS rating

OwnershipProprietary

CMS Certification Number201314

Location46 Fairview Ave PO Box 468Skowhegan, ME 04976 · Somerset County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04330 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

$123.23 typical visit price

range $53.26 – $162.77

Typical copayment $30.80 (range $13.31 – $40.69)

Most-billed visit code 99204

Established Patient

$66.74 typical visit price

range $16.90 – $132.79

Typical copayment $16.68 (range $4.22 – $33.19)

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.

98.06/100

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

Scored through an Alternative Payment Model

Quality

86.13

Promoting Interoperability

100

Improvement Activities

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.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier32 claims33 services$19.50 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier39 claims264 services$38.82 avg. paid by Medicare

Injection, dobutamine hydrochloride, per 250 mg J1250

Treatment-Injections and Infusions (nononcologic) · category RI000N

1 supplier39 claims331 services$4.96 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 3

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

NICOLE LAURIE OUELLETTE ACNPC-AG

Nurse Practitioner

35 MEDICAL CENTER PKWY STE 101
AUGUSTA, ME 04330

Kennebec County (207) 430-4321

ELLIE ENKHTUYAA MUELLER MD

Internal Medicine (Interventional Cardiology)

35 MEDICAL CENTER PKWY STE 101
AUGUSTA, ME 04330

Kennebec County (207) 430-4321

MEAGHAN NORA MATTERA PA-C

Physician Assistant

35 MEDICAL CENTER PKWY STE 101
AUGUSTA, ME 04330

Kennebec County (207) 430-4321

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 Caldwell's NPI number?

The NPI number for Adam Caldwell is 1881954352. It was assigned to this individual provider in the NPPES registry on May 18, 2012.

Where is Adam Caldwell located?

Adam Caldwell practices at 35 Medical Center Pkwy Ste 101, Augusta, ME 04330. The listed phone number is (207) 430-4321.

What is Adam Caldwell's specialty?

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

Is Adam Caldwell enrolled in Medicare?

Yes. Adam Caldwell 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 Caldwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Caldwell reassigns Medicare benefits to 4 organizations: Mainegeneral Medical Center (Augusta, ME), Mainehealth (Wiscasset, ME), Redington-Fairview General Hospital (Skowhegan, ME) and Maine Medical Partners (Portland, ME). 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 Caldwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Caldwell accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Adam Caldwell 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 Adam Caldwell affiliated with any hospitals?

According to CMS data, Adam Caldwell is affiliated with Maine Medical Center, Maine General Medical Center, Waldo County General Hospital and Redington Fairview General Hospital.

When was this NPI record last updated?

The NPPES record for Adam Caldwell was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.