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CAITLIN ELIZABETH WELCH MD
NPI 1003235664
Internal Medicine - Pulmonary Disease in Brunswick, ME

Active since April 10, 2014PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
121 MEDICAL CENTER DR STE 3300, BRUNSWICK, ME 04011(207) 373-6490 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 27, 2025, Aug 4, 2020, Jul 7, 2020 (3 updates tracked since 2020).

About Caitlin Elizabeth Welch Md NPPES

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

CAITLIN ELIZABETH WELCH MD (NPI 1003235664) is an individual pulmonary disease provider in Brunswick, Maine, licensed in Maine (MD23575) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2014).

NPPES Registry Identity

NPI1003235664
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameCAITLIN ELIZABETH WELCHCredential: MD
Location Address121 MEDICAL CENTER DR STE 3300Brunswick, ME 04011-2674
Mailing Address121 Medical Center Dr Ste 3300Brunswick, ME 04011-2674 · (207) 373-6490
Phone(207) 373-6490
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2014
Enumeration DateApril 10, 2014
Last NPPES UpdateMay 27, 20253 updates tracked since enumeration
NPPES CertifiedMay 27, 2025
✔ NPI 1003235664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in ME · MD23575
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD23575 (ME)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD23575 (ME)
121 MEDICAL CENTER DR STE 3300, Brunswick, ME 04011
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caitlin Elizabeth Welch 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 ID42513574
PECOS Enrollment IDI20200824001505
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.

Areas of Expertise CMS Part B claims 10

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.

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.
199 services134 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
105 services88 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
103 services85 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
81 services66 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.
79 services70 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.
62 services45 patients

Hospital Affiliations CMS Care Compare 5

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

Northern Light Health

Acute Care Hospitals · Portland, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200008
Location144 State StreetPortland, ME 04101 · Cumberland County
Emergency services Birthing friendly

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

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200063
Location6 Glen Cove DriveRockport, ME 04856 · Knox County
Emergency services Birthing friendly

Lincolnhealth

Critical Access Hospitals · Damariscotta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201302
Location35 Miles StreetDamariscotta, ME 04543 · Lincoln County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04011 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
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
Quality86.13
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers26 claims26 services$38.76 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers13 claims37 services$38.22 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
3 suppliers11 claims11 services$59.42 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
4 suppliers17 claims17 services$20.39 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers30 claims146 services$2.45 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers21 claims24 services$18.55 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 5

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

DARRIN PAUL GUITREAU PA-C
Physician Assistant (Medical)
121 MEDICAL CENTER DR STE 3300
BRUNSWICK, ME 04011
Cumberland County (207) 373-6490
ELYSE JODOIN LAFOND MD
Internal Medicine (Pulmonary Disease)
121 MEDICAL CENTER DR STE 3300
BRUNSWICK, ME 04011
Cumberland County (207) 373-6490
ALISON BRAESE WELLS MD
Internal Medicine (Pulmonary Disease)
121 MEDICAL CENTER DR STE 3300
BRUNSWICK, ME 04011
Cumberland County (207) 373-6490
DR. WILLIAM BRANDON WHITE DO
Internal Medicine (Pulmonary Disease)
121 MEDICAL CENTER DR STE 3300
BRUNSWICK, ME 04011
Cumberland County (207) 373-6490
DR. VU UY HO M.D.
Internal Medicine (Pulmonary Disease)
121 MEDICAL CENTER DR STE 3300
BRUNSWICK, ME 04011
Cumberland County (207) 373-6490

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 Caitlin Welch's NPI number?

The NPI number for Caitlin Welch is 1003235664. It was assigned to this individual provider in the NPPES registry on April 10, 2014.

Where is Caitlin Welch located?

Caitlin Welch practices at 121 Medical Center Dr Ste 3300, Brunswick, ME 04011. The listed phone number is (207) 373-6490.

What is Caitlin Welch's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Caitlin Welch enrolled in Medicare?

Yes. Caitlin Welch 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.

What insurance does Caitlin Welch accept?

Health plans from Anthem Blue Cross and Blue Shield list Caitlin Welch 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 Caitlin Welch affiliated with any hospitals?

According to CMS data, Caitlin Welch is affiliated with Northern Light Health, Maine Medical Center, Mid Coast Hospital, Penobscot Bay Medical Center and Lincolnhealth.

When was this NPI record last updated?

The NPPES record for Caitlin Welch was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.