DR. GREGORY K.W. LAM M.D.
NPI 1255319760
Internal Medicine - Cardiovascular Disease in Circleville, OH

Q: What is Gregory Lam's NPI number?

The NPI number for Gregory Lam is 1255319760. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Q: What is Gregory Lam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Lam was last updated on January 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 January 04, 2006PECOS EnrolledAccepts Medicare Assignment

81.3/100

CMS Quality Rating

600 N PICKAWAY ST, SUITE 102, CIRCLEVILLE, OH 43113(740) 420-8174(740) 420-8185 Get Directions Write a Review

NPPES record last updated: January 5, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Gregory K.w. Lam M.d. NPPES

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

DR. GREGORY K.W. LAM M.D. (NPI 1255319760) is an individual cardiovascular disease provider in Circleville, Ohio, licensed in Ohio (35-094227) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Health-anderson Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2002).

NPPES Registry Identity

NPI1255319760

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. GREGORY K.W. LAMCredential: M.D.

Location Address600 N PICKAWAY ST, SUITE 102Circleville, OH 43113-1447

Mailing Address5350 Frantz RdDublin, OH 43016-4259

Phone(740) 420-8174

Fax(740) 420-8185

Sole ProprietorNo

Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2002

Enumeration DateJanuary 4, 2006

Last NPPES UpdateJanuary 5, 2022

✔ NPI 1255319760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in OH · 35-094227

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35094227 (OH)

600 N PICKAWAY ST, Circleville, OH 43113

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Other Identifiers 1

Medicaid2998485OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, MedMutual.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

Dr. Gregory K.w. 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 ID5395760912

PECOS Enrollment IDI20090921000252

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.

Areas of Expertise CMS Part B claims 18

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.

302 services265 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.

292 services270 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

216 services213 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

202 services169 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

70 services70 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

60 services55 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

55 services52 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

50 services48 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

48 services48 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.

44 services44 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.

39 services38 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

38 services38 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.

30 services24 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

26 services25 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

26 services25 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

25 services18 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

13 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Health-Anderson Hospital

Acute Care Hospitals · Cincinnati, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360001

Location7500 State RoadCincinnati, OH 45255 · Hamilton County

Emergency services Birthing friendly

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360006

Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County

Emergency services Birthing friendly

Grant Medical Center

Acute Care Hospitals · Columbus, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360017

Location111 South Grant AvenueColumbus, OH 43215 · Franklin County

Emergency services Birthing friendly

Adena Regional Medical Center

Acute Care Hospitals · Chillicothe, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360159

Location272 Hospital RoadChillicothe, OH 45601 · Ross County

Emergency services Birthing friendly

Berger Hospital

Acute Care Hospitals · Circleville, OH

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number360170

Location600 North Pickaway StreetCircleville, OH 43113 · Pickaway County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43113 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

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

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.

81.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.58

Promoting Interoperability

Improvement Activities

Cost

65.77

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.

LISA K VOORHIS PA-C

Physician Assistant

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

DARRYL GLEN KOOP M.D.

Family Medicine

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

DIANE DIECKMAN JENKINS D.O.

Emergency Medicine

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

MELISSA ANNE DENNIS ATC, PTA

Specialist/Technologist (Athletic Trainer)

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 420-8243

LUANA TUROVSKAYA RD, LD

Dietitian, Registered

600 N PICKAWAY ST, SUITE 300 3RD FLOOR MEDICAL OFFICE
CIRCLEVILLE, OH 43113

Pickaway County (740) 207-4202

NEPHRON MEDICAL, PSC

Internal Medicine (Nephrology)

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

CHARLES JAY MARTI M.D.

Emergency Medicine

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

WILLIAM A JENKINS MD

Emergency Medicine

600 N PICKAWAY ST
CIRCLEVILLE, OH 43113

Pickaway County (740) 474-2126

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 Gregory Lam's NPI number?

The NPI number for Gregory Lam is 1255319760. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Gregory Lam located?

Gregory Lam practices at 600 N Pickaway St Suite 102, Circleville, OH 43113. The listed phone number is (740) 420-8174.

What is Gregory Lam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gregory Lam enrolled in Medicare?

Yes. Gregory 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.

What insurance does Gregory Lam accept?

Health plans from CareSource and MedMutual list Gregory 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.

Is Gregory Lam affiliated with any hospitals?

According to CMS data, Gregory Lam is affiliated with Mercy Health-Anderson Hospital, Riverside Methodist Hospital, Grant Medical Center, Adena Regional Medical Center and Berger Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Lam was last updated on January 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.