ALEXANDER DONALD PYDEN MD
NPI 1548650971
Pathology - Anatomic Pathology & Clinical Pathology in Burlington, MA

Active since January 22, 2015PECOS EnrolledAccepts Medicare Assignment
91.41/100
CMS Quality Rating
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER, BURLINGTON, MA 01805(781) 744-8000 Get Directions Write a Review

NPPES record last updated: June 9, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 9, 2021, May 10, 2016 (2 updates tracked since 2016).

About Alexander Donald Pyden Md NPPES

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

ALEXANDER DONALD PYDEN MD (NPI 1548650971) is an individual anatomic pathology & clinical pathology provider in Burlington, Massachusetts, licensed in Massachusetts (286257) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1548650971
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameALEXANDER DONALD PYDENCredential: MD
Location Address41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTERBurlington, MA 01805-5400
Mailing Address330 Brookline AveBoston, MA 02215-5400
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2016
Enumeration DateJanuary 22, 2015
Last NPPES UpdateJune 9, 20212 updates tracked since enumeration
NPPES CertifiedJune 9, 2021
NPI 1548650971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in MA · 286257
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER, Burlington, MA 01805

Secondary Practice Location 1

Location 1330 Brookline AveBoston, MA 02215-5400 · Phone (617) 667-7284

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

Alexander Donald Pyden 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 ID4880094465
PECOS Enrollment IDI20210618001534
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 6

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.

Protein measurement, serum 84165
A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.
705 services633 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
371 services359 patients
Protein measurement 84181
A protein measurement is a blood test that measures the total amount of protein in your body. This includes albumin and globulins, vital for maintaining health. It helps identify nutritional problems, kidney disease, liver disease, and other medical conditions.
241 services217 patients
Protein measurement, body fluid 84166
A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.
80 services80 patients
Immunologic analysis technique on body fluid, other fluids with concentration 86335
Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.
30 services30 patients
Hemoglobin analysis and measurement, electrophoresis 83020
Hemoglobin analysis and measurement, electrophoresis, is a lab test that separates and identifies proteins in your blood. It's used to diagnose conditions affecting red blood cells. It's a simple, painless procedure where a small blood sample is taken and analyzed.
19 services18 patients

Hospital Affiliations CMS Care Compare 5

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

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220029
Location25 Highland AvenueNewburyport, MA 01950 · Essex County
Emergency services Birthing friendly

Northeast Hospital Corporation

Acute Care Hospitals · Beverly, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220033
Location85 Herrick StreetBeverly, MA 01915 · Essex County
Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Winchester Hospital

Acute Care Hospitals · Winchester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220105
Location41 Highland AvenueWinchester, MA 01890 · Middlesex County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01805 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.

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.

91.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality76.87
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 7

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

Psychiatry & Neurology (Neurology)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Anesthesiology (Critical Care Medicine)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Psychiatry & Neurology (Neurology)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Obstetrics & Gynecology (Gynecologic Oncology)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Thoracic Surgery (Cardiothoracic Vascular Surgery)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Nurse Practitioner (Adult Health)
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805
Physician Assistant
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
BURLINGTON, MA 01805

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 Pyden's NPI number?

The NPI number for Alexander Pyden is 1548650971. It was assigned to this individual provider in the NPPES registry on January 22, 2015.

Where is Alexander Pyden located?

Alexander Pyden practices at 41 Mall Road Lahey Hospital And Medical Center, Burlington, MA 01805. The listed phone number is (781) 744-8000.

What is Alexander Pyden's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Alexander Pyden enrolled in Medicare?

Yes. Alexander Pyden 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 Pyden affiliated with any hospitals?

According to CMS data, Alexander Pyden is affiliated with Anna Jaques Hospital, Northeast Hospital Corporation, Beth Israel Deaconess Medical Center, Winchester Hospital and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Alexander Pyden was last updated on June 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.