DR. MARK GREGORY SPERRY M.D.
NPI 1376773754
Internal Medicine in Boston, MA

Q: What is Mark Sperry's NPI number?

The NPI number for Mark Sperry is 1376773754. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Q: What is Mark Sperry's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Sperry was last updated on July 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since July 20, 2009PECOS EnrolledAccepts Medicare Assignment

800 WASHINGTON ST, BOSTON, MA 02111(617) 636-1400 Get Directions Write a Review

NPPES record last updated: July 20, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Mark Gregory Sperry M.d. NPPES

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

DR. MARK GREGORY SPERRY M.D. (NPI 1376773754) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (240907) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Washington Hospital, The, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1376773754

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARK GREGORY SPERRYCredential: M.D.

Location Address800 WASHINGTON STBoston, MA 02111-1552

Mailing Address52 Strathmore Rd, Apt 2Brighton, MA 02135-7917 · (412) 952-8385

Phone(617) 636-1400

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateJuly 20, 2009

✔ NPI 1376773754 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 · 240907

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.

800 WASHINGTON ST, Boston, MA 02111

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Gregory Sperry M.d. 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 ID6901057108

PECOS Enrollment IDI20170712001607

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 Reassignments

Medicare enrollment records show Mark Sperry reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mgmc LLC

395 mi

Psychiatry

3800 RESERVOIR RD NW
Washington, DC 20007

Reassigned Medicare billing, District of Columbia enrollment
861 clinicians in this Medicare group

NPI 1316949654 (888) 896-1400

Washington Physician Services Organization

485 mi

Obstetrics & Gynecology

1200 MCKEAN AVE STE 102
Charleroi, PA 15022

Reassigned Medicare billing, Pennsylvania enrollment
Medicare enrollment name: Washington Physician Services
179 clinicians in this Medicare group

NPI 1609991660 (724) 483-1340

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 12

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.

Professional services for outpatient pulmonary rehabilitation with continuous monitoring of blood oxygen, per session 94626

Outpatient pulmonary rehabilitation involves exercises and education to improve lung function. During each session, your blood oxygen level is continuously monitored to ensure safety and effectiveness. This service aids in managing respiratory issues.

84 services15 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.

69 services61 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 services53 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

55 services30 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

41 services41 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.

39 services27 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

34 services34 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

33 services31 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.

28 services28 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

28 services19 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

25 services25 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Washington Hospital, The

Acute Care Hospitals · Washington, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390042

Location155 Wilson AvenueWashington, PA 15301 · Washington County

Emergency services Birthing friendly

Washington Health System Greene

Acute Care Hospitals · Waynesburg, PA

OwnershipVoluntary non-profit - Private

CMS Certification Number390150

Location350 Bonar AvenueWaynesburg, PA 15370 · Greene County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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.

Referred Medical Equipment & Supplies CMS DME claims 23

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers38 claims38 services$36.07 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers22 claims44 services$1.74 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers19 claims19 services$92.04 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

4 suppliers19 claims57 services$35.57 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

5 suppliers23 claims124 services$18.68 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers32 claims32 services$53.38 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers31 claims31 services$17.64 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers11 claims11 services$11.91 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

6 suppliers54 claims288 services$2.00 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

5 suppliers12 claims12 services$5.91 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

6 suppliers24 claims24 services$11.72 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers34 claims34 services$16.39 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier11 claims11 services$906.26 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

1 supplier31 claims31 services$14.59 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers63 claims63 services$6.80 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier35 claims35 services$34.59 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers132 claims135 services$90.41 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers61 claims64 services$30.75 avg. paid by Medicare

Acetylcysteine, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per gram J7608

DME-Drugs Administered Through DME · category DG000N

1 supplier14 claims488 services$4.83 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

8 suppliers46 claims9,744 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

4 suppliers30 claims2,670 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

4 suppliers19 claims1,140 services$0.76 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

10 suppliers90 claims90 services$24.31 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

AARON DICKSTEIN M.D.

Internal Medicine (Gastroenterology)

800 WASHINGTON ST, BOX 233
BOSTON, MA 02111

Suffolk County (617) 636-5883

THOMAS E BIGELOW

Technician/Technologist (Optician)

800 WASHINGTON ST, BOX 450
BOSTON, MA 02111

Suffolk County (617) 636-5857

SARAH MERRIMAN PERSING M.D.

Plastic Surgery

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (617) 636-5000

DR. SHARANYA MOHANTY M.D.

Internal Medicine

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (617) 636-5000

AFRAH SADIQ SAIT MOHAMMED M.D.

Internal Medicine (Infectious Disease)

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (718) 629-7204

ADNAN SALIM QAMAR MD

Student in an Organized Health Care Education/Training Program

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (617) 636-5829

ALICIA SIGIA WU MD

Psychiatry & Neurology (Psychiatry)

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (617) 636-1619

ZEANAARONEVAN ANDRES LUNA

Student in an Organized Health Care Education/Training Program

800 WASHINGTON ST
BOSTON, MA 02111

Suffolk County (617) 636-8100

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 Mark Sperry's NPI number?

The NPI number for Mark Sperry is 1376773754. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Where is Mark Sperry located?

Mark Sperry practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-1400.

What is Mark Sperry's specialty?

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

Is Mark Sperry enrolled in Medicare?

Yes. Mark Sperry 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.

Which organizations bill Medicare for Mark Sperry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sperry reassigns Medicare benefits to 2 organizations: Mgmc LLC (Washington, DC) and Washington Physician Services Organization (Charleroi, PA). Each 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 Mark Sperry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Sperry accept?

Health plans from Taro Health list Mark Sperry 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 Mark Sperry affiliated with any hospitals?

According to CMS data, Mark Sperry is affiliated with Washington Hospital, The and Washington Health System Greene.

When was this NPI record last updated?

The NPPES record for Mark Sperry was last updated on July 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.