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

DAVID B SYKES MD, PHD
NPI 1851323380
Internal Medicine - Hematology in Boston, MA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About David B Sykes Md, Phd NPPES

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

DAVID B SYKES MD, PHD (NPI 1851323380) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (227560) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of California, San Diego School Of Medicine (2004).

NPPES Registry Identity

NPI1851323380
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDAVID B SYKESCredential: MD, PHD
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address55 Fruit StBoston, MA 02114-2621
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2004
Enumeration DateJuly 7, 2006
Last NPPES UpdateAugust 4, 2026
NPPES CertifiedAugust 4, 2026
NPI 1851323380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in MA · 227560
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 227560 (MA)
55 FRUIT ST, Boston, MA 02114

Accepted 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

David B Sykes Md, Phd 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 ID244312262
PECOS Enrollment IDI20080130000315
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 4

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 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.
121 services108 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.
34 services34 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.
23 services16 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
14 services14 patients

Hospital Affiliations CMS Care Compare 4

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

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

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

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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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 David Sykes's NPI number?

The NPI number for David Sykes is 1851323380. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is David Sykes located?

David Sykes practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-4000.

What is David Sykes's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is David Sykes enrolled in Medicare?

Yes. David Sykes 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 David Sykes accept?

Health plans from Anthem Blue Cross and Blue Shield list David Sykes 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 David Sykes affiliated with any hospitals?

According to CMS data, David Sykes is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for David Sykes was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.