RICHARD C MCMAHON MD
NPI 1114949823
Internal Medicine in Hudson, MA

Active since July 24, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 22D0725881 · Waiver
101 COOLIDGE ST, DOWNSTAIRS, HUDSON, MA 01749(978) 562-0757(978) 562-9299 Get Directions Write a Review

NPPES record last updated: January 17, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Richard C Mcmahon Md NPPES

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

RICHARD C MCMAHON MD (NPI 1114949823) is an individual internal medicine provider in Hudson, Massachusetts, licensed in Massachusetts (51250) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 31, 2026, and is affiliated with Umass Memorial Healthcare-marlborough Hospital.

NPPES Registry Identity

NPI1114949823
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRICHARD C MCMAHONCredential: MD
Location Address101 COOLIDGE ST, DOWNSTAIRSHudson, MA 01749-1354
Mailing Address171 Main St Ste 203bAshland, MA 01721-1187 · (508) 881-3029 · Fax (508) 881-1752
Fax(978) 562-9299
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1977
Enumeration DateJuly 24, 2006
Last NPPES UpdateJanuary 17, 2024
NPPES CertifiedJanuary 15, 2024
NPI 1114949823 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 · 51250
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.

101 COOLIDGE ST, Hudson, MA 01749

Other Identifiers 1

Medicaid6177093MA

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

Richard C Mcmahon 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 ID2567418387
PECOS Enrollment IDI20050324000776
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D0725881

Richard C Mcmahon MD · Hudson, MA
Active · expires Aug 31, 2026
CLIA Number22D0725881
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorRichard C. Mcmahon
Laboratory Phone(508) 562-0757
Laboratory LocationRichard C Mcmahon MD101 Coolidge Street, Hudson, MA 01749
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

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.

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.
466 services159 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.
396 services166 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
123 services123 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
95 services95 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
41 services40 patients
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
38 services38 patients

Hospital Affiliations CMS Care Compare 3

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

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Metrowest Medical Center

Acute Care Hospitals · Framingham, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220175
Location115 Lincoln StreetFramingham, MA 01701 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01749 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 3

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

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
1 supplier11 claims11 services$68.36 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers24 claims24 services$197.38 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$33.30 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 6

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

Dentist (General Practice)
101 COOLIDGE ST
HUDSON, MA 01749
Dentist (General Practice)
101 COOLIDGE ST
HUDSON, MA 01749
Clinic/Center
101 COOLIDGE ST
HUDSON, MA 01749
Dietitian, Registered
101 COOLIDGE ST
HUDSON, MA 01749
Nurse Practitioner (Psychiatric/Mental Health)
101 COOLIDGE ST
HUDSON, MA 01749
Nurse Practitioner (Adult Health)
101 COOLIDGE ST
HUDSON, MA 01749

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 Richard Mcmahon's NPI number?

The NPI number for Richard Mcmahon is 1114949823. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Richard Mcmahon located?

Richard Mcmahon practices at 101 Coolidge St Downstairs, Hudson, MA 01749. The listed phone number is (978) 562-0757.

What is Richard Mcmahon's specialty?

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

Is Richard Mcmahon enrolled in Medicare?

Yes. Richard Mcmahon 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.

Does Richard Mcmahon hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D0725881) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Richard Mcmahon accept?

Health plans from Anthem Blue Cross and Blue Shield list Richard Mcmahon 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 Richard Mcmahon affiliated with any hospitals?

According to CMS data, Richard Mcmahon is affiliated with Umass Memorial Healthcare-Marlborough Hospital, Umass Memorial Medical Center/University Campus and Metrowest Medical Center.

When was this NPI record last updated?

The NPPES record for Richard Mcmahon was last updated on January 17, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.