Physician Profile
Clifford G. Risk, M.D., PhD is a healthcare provider in Marlborough, MA specializing in pulmonary disease. Clifford trained at Irvine California College of Medicine, graduating in 1977. Medicare claims data shows Clifford provided 1,053 services to 347 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, telephone medical discussion with physician, 11-20 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
320 BOLTON ST SUITE 101
Marlborough, MA 01752
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
Structural lung conditions
Symptoms
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
1,053 services · 347 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
627 | More than most peers in Pulmonary Disease |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
240 | More than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
115 | More often than most peers in Pulmonary Disease |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
33 | More often than most peers in Pulmonary Disease |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
25 | |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Clifford G. Risk, M.D. is a lung specialist in Marlborough, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Clifford G. Risk, M.D. is listed at 320 Bolton St Suite 101, Marlborough, MA 01752. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 481-4288. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Clifford G. Risk, M.D.'s National Provider Identifier is 1013029651. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Clifford G. Risk, M.D. attended Irvine California College of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Clifford G. Risk, M.D. has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Clifford G. Risk, M.D. the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Clifford G. Risk, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.