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DR. ALEXANDER SCOTT HARDING MD
NPI 1881964153
Internal Medicine in Boston, MA

Active since January 04, 2012PECOS EnrolledAccepts Medicare Assignment
15 PARKMAN ST # 645, BOSTON, MA 02114(617) 726-2368 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2018, Nov 8, 2017 (2 updates tracked since 2017).

About Dr. Alexander Scott Harding Md NPPES

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

DR. ALEXANDER SCOTT HARDING MD (NPI 1881964153) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (272997) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1881964153
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDER SCOTT HARDINGCredential: MD
Location Address15 PARKMAN ST # 645Boston, MA 02114-3117
Mailing Address733 N Broadway, Suite 147Baltimore, MD 21205-1832 · (410) 955-3080
Phone(617) 726-2368
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2015
Enumeration DateJanuary 4, 2012
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1881964153 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 · 272997
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.
15 PARKMAN ST # 645, Boston, MA 02114
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Secondary Practice Location 1

Location 1600 N Wolfe StBaltimore, MD 21287-2109 · Phone (410) 955-5000

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

Dr. Alexander Scott Harding 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 ID345558201
PECOS Enrollment IDI20180810001718
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 2

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.
37 services36 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.
26 services25 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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 Alexander Harding's NPI number?

The NPI number for Alexander Harding is 1881964153. It was assigned to this individual provider in the NPPES registry on January 4, 2012.

Where is Alexander Harding located?

Alexander Harding practices at 15 Parkman St # 645, Boston, MA 02114. The listed phone number is (617) 726-2368.

What is Alexander Harding's specialty?

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

Is Alexander Harding enrolled in Medicare?

Yes. Alexander Harding 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.

Is Alexander Harding affiliated with any hospitals?

According to CMS data, Alexander Harding is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Harding was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.