DR. MARK C FISHER MD, MPH
NPI 1932308244
Internal Medicine - Rheumatology in Boston, MA

Q: What is Mark Fisher's NPI number?

The NPI number for Mark Fisher is 1932308244. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Q: What is Mark Fisher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Mark Fisher was last updated on November 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 16, 2007PECOS EnrolledAccepts Medicare Assignment

55 FRUIT ST, BOSTON, MA 02114(617) 726-7938(617) 643-1274 Get Directions Write a Review

NPPES record last updated: November 22, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Mark C Fisher Md, Mph NPPES

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

DR. MARK C FISHER MD, MPH (NPI 1932308244) is an individual rheumatology provider in Boston, Massachusetts, licensed in Massachusetts (239044) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and is a graduate of University Of Pittsburgh School Of Medicine (2002).

NPPES Registry Identity

NPI1932308244

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. MARK C FISHERCredential: MD, MPH

Location Address55 FRUIT STBoston, MA 02114-2621

Mailing Address55 Fruit StBoston, MA 02114-2621

Phone(617) 726-7938

Fax(617) 643-1274

Sole ProprietorNo

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2002

Enumeration DateJuly 16, 2007

Last NPPES UpdateNovember 22, 2013

✔ NPI 1932308244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in MA · 239044

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

55 FRUIT ST, Boston, MA 02114

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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 C Fisher Md, Mph 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 ID547310286

PECOS Enrollment IDI20090618000126, I20250327002294

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 Fisher reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Suite Life Medical PC

46 mi

Rheumatology

215 PLEASANT ST STE 5
Fall River, MA 02721

Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
4 clinicians in this Medicare group

NPI 1205604295 (508) 567-5666

Prima Care, PC

46 mi

Clinic/Center

277 PLEASANT ST, 4TH FLOOR
Fall River, MA 02721

Reassigned Medicare billing, Massachusetts enrollment
317 clinicians in this Medicare group

NPI 1265422596 (508) 676-3292

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 36

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

19,620 services210 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.

721 services417 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

675 services672 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

606 services388 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

454 services284 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

449 services285 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

385 services76 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

338 services245 patients

Dxa bone density measurement of forearm, finger, hand, or foot 77081

A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.

320 services319 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

315 services186 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

294 services212 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

146 services146 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

136 services34 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

116 services84 patients

Urinalysis using microscope 81015

Urinalysis with a microscope is a test that helps detect issues in your body. A small sample of your urine is examined under a microscope. This allows the detection of substances not visible to the naked eye, aiding in diagnosing various health conditions.

93 services76 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

72 services18 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

63 services63 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

52 services34 patients

Measurement of hepatitis a antibody 86708

The measurement of Hepatitis A antibody is a simple blood test. It helps determine if you have had a past infection or vaccination against Hepatitis A, a viral liver disease. The test can provide valuable information for your healthcare management.

43 services42 patients

Calcium level, total 82310

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

40 services32 patients

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.

38 services18 patients

Hepatitis b screening in non-pregnant, high risk individual includes hepatitis b surface antigen (hbsag), antibodies to hbsag (anti-hbs) and antibodies to hepatitis b core antigen (anti-hbc), and is followed by a neutralizing confirmatory test, when perfor G0499

Hepatitis B screening is a process to check if you have been exposed to the Hepatitis B virus. It includes tests for three markers: the virus's surface antigen (HbsAg), antibodies to this antigen (anti-Hbs), and antibodies to the core antigen (anti-Hbc). If a test is positive, a confirmatory test is done to ensure accuracy.

38 services38 patients

Rheumatoid factor level 86431

The Rheumatoid Factor Level test is a blood test that helps detect the presence of Rheumatoid Factor (RF), a protein produced by your immune system. High RF levels often indicate autoimmune diseases like rheumatoid arthritis. The test involves a simple blood draw and lab analysis.

37 services37 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.

34 services32 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

33 services20 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

32 services27 patients

Hepatitis c antibody measurement 86803

Hepatitis C antibody measurement is a blood test to check if you have been exposed to the Hepatitis C virus. This virus affects your liver. If the test is positive, it means you have had the virus at some point. Additional tests are needed to determine if the virus is currently active.

28 services27 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

26 services26 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

23 services23 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

20 services19 patients

Bilirubin level, direct 82248

A direct bilirubin test measures a form of bilirubin in your blood. Bilirubin is a substance produced during the normal breakdown of red blood cells. High levels may indicate liver or blood disorders. This test helps diagnose and monitor these conditions.

19 services13 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

16 services16 patients

Acute hepatitis panel 80074

An acute hepatitis panel is a set of blood tests that checks for specific markers in your blood that indicate a recent infection with a type of hepatitis virus. It helps determine which type of hepatitis you may have to guide appropriate treatment.

15 services15 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

15 services12 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

14 services14 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Saint Anne's Hospital

Acute Care Hospitals · Fall River, MA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number220020

Location795 Middle StreetFall River, MA 02721 · Bristol County

Emergency services

Southcoast Hospitals Group

Acute Care Hospitals · Fall River, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220074

Location363 Highland AvenueFall River, MA 02720 · Bristol County

Emergency services Birthing friendly

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

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.

STUTI GIRISH SHROFF MD, MBBS

Pathology (Anatomic Pathology)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 726-2971

NANCY WANG M.D.

Internal Medicine (Hematology & Oncology)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (017) 724-4000

DR. DUSAN HANIDZIAR M.D., PH.D.

Anesthesiology

55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114

Suffolk County (617) 726-3030

JOHN JOSEPH DANKO DO

Physical Medicine & Rehabilitation

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 726-2000

DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.

Internal Medicine (Infectious Disease)

55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114

Suffolk County (617) 724-9248

MS. KELLY ELISHA TRECARTIN NP

Nurse Practitioner (Acute Care)

55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114

Suffolk County (617) 726-7400

JAMIE MARIE ALLEN NP

Nurse Practitioner

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 724-4410

DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.

Internal Medicine (Cardiovascular Disease)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 643-3238

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 Fisher's NPI number?

The NPI number for Mark Fisher is 1932308244. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Mark Fisher located?

Mark Fisher practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-7938.

What is Mark Fisher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mark Fisher enrolled in Medicare?

Yes. Mark Fisher 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 Fisher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Fisher reassigns Medicare benefits to 2 organizations: Suite Life Medical PC (Fall River, MA) and Prima Care, PC (Fall River, MA). 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 Fisher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Fisher accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Mark Fisher 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 Fisher affiliated with any hospitals?

According to CMS data, Mark Fisher is affiliated with Saint Anne's Hospital, Southcoast Hospitals Group and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Mark Fisher was last updated on November 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.