Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PHILLIP JON HARTFIELD MD
NPI 1063152049
Internal Medicine in Boston, MA

Active since March 29, 2022PECOS Enrolled
55 FRUIT ST, BOSTON, MA 02114(617) 724-3874(617) 724-9428 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 5, 2026, May 17, 2023 (2 updates tracked since 2023).

About Phillip Jon Hartfield Md NPPES

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

PHILLIP JON HARTFIELD MD (NPI 1063152049) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1026220) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Medical College Of Wisconsin (2023).

NPPES Registry Identity

NPI1063152049
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePHILLIP JON HARTFIELDCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address55 Fruit StBoston, MA 02114-2696 · (617) 724-3874 · Fax (617) 724-9428
Fax(617) 724-9428
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2023
Enumeration DateMarch 29, 2022
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
NPI 1063152049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 1026220
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.
Also ListedHospitalistTaxonomy 208M00000X · License 1026220 (MA)
55 FRUIT ST, Boston, MA 02114

Secondary Practice Locations 2

Location 175 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500
Location 21153 Centre StJamaica Plain, MA 02130-3446 · Phone (617) 983-7000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Phillip Jon Hartfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4082073291
PECOS Enrollment IDI20260701004715
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.

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.

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Phillip Hartfield's NPI number?

The NPI number for Phillip Hartfield is 1063152049. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Phillip Hartfield located?

Phillip Hartfield practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-3874.

What is Phillip Hartfield's specialty?

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

Is Phillip Hartfield enrolled in Medicare?

Yes. Phillip Hartfield is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Phillip Hartfield was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.