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DR. SI-HOI LAM M.D.
NPI 1477574929
Internal Medicine in Branford, CT

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
173 MONTOWESE ST, BRANFORD, CT 06405(203) 483-6285(203) 483-6217 Get Directions Write a Review

NPPES record last updated: July 30, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Si-hoi Lam M.d. NPPES

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

DR. SI-HOI LAM M.D. (NPI 1477574929) is an individual internal medicine provider in Branford, Connecticut, licensed in Connecticut (024800) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1980).

NPPES Registry Identity

NPI1477574929
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SI-HOI LAMCredential: M.D.
Location Address173 MONTOWESE STBranford, CT 06405-3824
Mailing Address173 Montowese StBranford, CT 06405-3824 · (203) 483-6285 · Fax (203) 483-6217
Phone(203) 483-6285
Fax(203) 483-6217
Sole ProprietorYes
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1980
Enumeration DateJuly 21, 2006
Last NPPES UpdateJuly 30, 2013
✔ NPI 1477574929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 024800
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.
173 MONTOWESE ST, Branford, CT 06405
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Other Identifiers 2

Medicaid001248004CT
Medicare UPIND80765CT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Si-hoi Lam 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 ID2961486444
PECOS Enrollment IDI20040614000826
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 Reassignment

Medicare enrollment records show Si-hoi Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Si-Hoi Lam, MD, LLC
Same address
Internal Medicine
173 MONTOWESE ST
Branford, CT 06405
  • Reassigned Medicare billing, Connecticut enrollment
NPI 1255530325 (203) 483-6285

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 9

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.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
485 services48 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.
183 services60 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.
125 services50 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
91 services66 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.
58 services58 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.
56 services56 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06405 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
67%118 patients4/55-star benchmark: 85%
Depression Utilization of the PHQ-9 Tool
The percentage of patients age 18 and older with the diagnosis of major depression or dysthymia who have a completed PHQ-9 during each applicable 4 month period in which there was a qualifying visit
Patients 4MonthsOfEnd: 8% · 25 patients
Patients 4MonthsOfStart: 30% · 23 patients
15%27 patients
Diabetes: Foot Exam
The percentage of patients 18-75 years of age with diabetes (type 1 and type 2) who received a foot exam (visual inspection and sensory exam with mono filament and a pulse exam) during the measurement year
3%32 patients1/55-star benchmark: 98%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
97%32 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,404 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
46%223 patients2/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
91%223 patients5/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%118 patients5/55-star benchmark: 100%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
89%210 patients5/55-star benchmark: 88%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
53%208 patients3/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 96% · 222 patients
Patients tobacco: 89% · 222 patients
27%22 patients2/55-star benchmark: 98%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 3% · 223 patients
6%223 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 10

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

MAUREEN TRANQUILLI LCSW
Social Worker (Clinical)
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (475) 221-8142
SI-HOI LAM, MD, LLC
Internal Medicine
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 483-6285
CENTER FOR NEUROPOTENTIAL
Clinical Neuropsychologist
173 MONTOWESE ST, REAR UNIT
BRANFORD, CT 06405
South Central Connecticut Planning Region (475) 221-8108
SHORELINE NEUROPSYCHOLOGY AND BEHAVIORAL HEALTH, LLC
Clinical Neuropsychologist
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (475) 221-8108
JENNIFER MILLER
Social Worker (Clinical)
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (475) 221-8142
JOSEPH FRIEND BRUNSCHWIG LMFT
Marriage & Family Therapist
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 315-9918
MS. JODI SILVERMAN LCSW
Social Worker (Clinical)
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 589-1456
TANIA PATRICELLI
Counselor (Professional)
173 MONTOWESE ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 415-5645

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 Si-hoi Lam's NPI number?

The NPI number for Si-hoi Lam is 1477574929. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Si-hoi Lam located?

Si-hoi Lam practices at 173 Montowese St, Branford, CT 06405. The listed phone number is (203) 483-6285.

What is Si-hoi Lam's specialty?

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

Is Si-hoi Lam enrolled in Medicare?

Yes. Si-hoi Lam 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 organization bills Medicare for Si-hoi Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Si-hoi Lam reassigns Medicare benefits to Si-Hoi Lam, MD, LLC (Branford, CT). The 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 Si-hoi Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Si-hoi Lam accept?

Health plans from Anthem Blue Cross and Blue Shield list Si-hoi Lam 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.

When was this NPI record last updated?

The NPPES record for Si-hoi Lam was last updated on July 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.