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AINSLEY MCCOWAN M.D.
NPI 1730591504
Internal Medicine in Newton, MA

Active since May 28, 2014PECOS Enrolled
2000 WASHINGTON ST STE 546, NEWTON, MA 02462(617) 964-5020(617) 964-3033 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jun 26, 2017 (2 updates tracked since 2017).

About Ainsley Mccowan M.d. NPPES

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

AINSLEY MCCOWAN M.D. (NPI 1730591504) is an individual internal medicine provider in Newton, Massachusetts, licensed in Massachusetts (269823) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Tufts University School Of Medicine (2014).

NPPES Registry Identity

NPI1730591504
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameAINSLEY MCCOWANCredential: M.D.
Location Address2000 WASHINGTON ST STE 546Newton, MA 02462-1624
Mailing Address2000 Washington St Ste 546Newton, MA 02462-1624 · (617) 964-5020 · Fax (617) 964-3033
Phone(617) 964-5020
Fax(617) 964-3033
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2014
Enumeration DateMay 28, 2014
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1730591504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 269823
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2000 WASHINGTON ST STE 546, Newton, MA 02462
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ainsley Mccowan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7315163086
PECOS Enrollment IDI20170915002683
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 Reassignment

Medicare enrollment records show Ainsley Mccowan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pjf Personalized Medical Care LLC
3.8 mi
Internal Medicine
200 BOYLSTON ST STE 311
Chestnut Hill, MA 02467
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2 clinicians in this Medicare group
NPI 1205588118 (617) 964-3333

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 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.
85 services47 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
78 services53 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.
56 services36 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.
32 services23 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
23 services23 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
22 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Emerson Hospital -

Acute Care Hospitals · W Concord, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220084
Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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 Ainsley Mccowan's NPI number?

The NPI number for Ainsley Mccowan is 1730591504. It was assigned to this individual provider in the NPPES registry on May 28, 2014.

Where is Ainsley Mccowan located?

Ainsley Mccowan practices at 2000 Washington St Ste 546, Newton, MA 02462. The listed phone number is (617) 964-5020.

What is Ainsley Mccowan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ainsley Mccowan enrolled in Medicare?

Yes. Ainsley Mccowan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ainsley Mccowan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ainsley Mccowan reassigns Medicare benefits to Pjf Personalized Medical Care LLC (Chestnut Hill, MA). The 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 Ainsley Mccowan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ainsley Mccowan accept?

Health plans from Anthem Blue Cross and Blue Shield list Ainsley Mccowan 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 Ainsley Mccowan affiliated with any hospitals?

According to CMS data, Ainsley Mccowan is affiliated with Massachusetts General Hospital, Emerson Hospital -, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Ainsley Mccowan was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.