Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MELISSA SUSANN LIM M.D.
NPI 1013910777
Internal Medicine - Pulmonary Disease in Redwood City, CA

Q: What is Melissa Lim's NPI number?

The NPI number for Melissa Lim is 1013910777. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Q: What is Melissa Lim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Lim was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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 May 24, 2005PECOS EnrolledAccepts Medicare Assignment

63.48/100

CMS Quality Rating

170 ALAMEDA DE LAS PULGAS, REDWOOD CITY, CA 94062(650) 367-5636(650) 367-5110 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Melissa Susann Lim M.d. NPPES

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

DR. MELISSA SUSANN LIM M.D. (NPI 1013910777) is an individual pulmonary disease provider in Redwood City, California, licensed in California (G74100) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (1988).

NPPES Registry Identity

NPI1013910777

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameDR. MELISSA SUSANN LIMCredential: M.D.

Location Address170 ALAMEDA DE LAS PULGASRedwood City, CA 94062-2751

Mailing Address170 Alameda De Las PulgasRedwood City, CA 94062-2751 · (650) 367-5636 · Fax (650) 367-5110

Phone(650) 367-5636

Fax(650) 367-5110

Sole ProprietorNo

Medical School CMSOhio State University College Of MedicineGraduated 1988

Enumeration DateMay 24, 2005

Last NPPES UpdateOctober 13, 2026

NPPES CertifiedOctober 13, 2026

✔ NPI 1013910777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · G74100

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

170 ALAMEDA DE LAS PULGAS, Redwood City, CA 94062

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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. Melissa Susann Lim 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 ID6709823271

PECOS Enrollment IDI20050415000424

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

Redwood Pulmonary Medical Associates A Medical Corporation

Same address

Pulmonary Disease

170 ALAMEDA DE LAS PULGAS
Redwood City, CA 94062

Reassigned Medicare billing, California enrollment
7 clinicians in this Medicare group

NPI 1720083157 (650) 367-5636

Confermed Of California PC

362 mi

Internal Medicine

101 ACADEMY STE 100
Irvine, CA 92617

Reassigned Medicare billing, California enrollment
118 clinicians in this Medicare group

NPI 1316584709 (860) 323-0172

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 13

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.

Device supply with scheduled recording and transmission for remote monitoring of respiratory system, per 30 days 98976

This service involves providing a device that records and transmits data about your respiratory system. It helps in remote monitoring of your breathing patterns for a period of 30 days. This method aids in early detection of any potential respiratory issues.

532 services364 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.

526 services349 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.

228 services160 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.

94 services86 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.

79 services79 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

75 services71 patients

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399

A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.

58 services58 patients

Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation G0398

A home sleep study test with a type II portable monitor is a non-invasive procedure done at home to monitor your sleep. It records data like brain waves, eye movements, muscle activity, heart rate, breathing, and oxygen levels. This helps identify sleep disorders.

57 services51 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

32 services31 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.

31 services31 patients

Test to measure oxygen level in blood using ear or finger device continuously overnight 94762

This procedure involves using a small device, placed on your ear or finger, to continuously monitor your blood oxygen level overnight. It's painless, non-invasive, and helps assess your body's oxygen supply during sleep.

21 services20 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

14 services14 patients

Sleep study including heart rate, breathing, and sleep time 95800

A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.

14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94062 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

63.48/100

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

Individually scored

Quality

37.21

Improvement Activities

Cost

Reported Quality Measures

Breast Cancer Screening

0%602 patients1/55-star benchmark: 93%

Cervical Cancer Screening

0%1,531 patients1/55-star benchmark: 98%

Colorectal Cancer Screening

0%5,638 patients1/55-star benchmark: 88%

Controlling High Blood Pressure

43%380 patients2/55-star benchmark: 91%

Diabetes: Eye Exam

0%118 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

99%121 patients1/55-star benchmark: 91%

Falls: Screening for Future Fall Risk

0%2,242 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

38%14,080 patients2/55-star benchmark: 98%

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.

Referred Medical Equipment & Supplies CMS DME claims 25

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

16 suppliers709 claims709 services$33.38 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

13 suppliers324 claims324 services$72.44 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

13 suppliers314 claims901 services$28.65 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

11 suppliers204 claims1,164 services$16.49 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

9 suppliers231 claims1,357 services$13.23 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

14 suppliers475 claims475 services$46.50 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

18 suppliers451 claims451 services$16.31 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

6 suppliers95 claims95 services$9.45 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

9 suppliers59 claims60 services$12.62 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

18 suppliers700 claims4,150 services$1.76 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

5 suppliers15 claims15 services$5.42 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

16 suppliers315 claims315 services$11.60 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers25 claims25 services$13.79 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier95 claims95 services$779.29 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

5 suppliers210 claims210 services$68.62 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471

DME-Other DME · category DE001N

2 suppliers71 claims71 services$204.90 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

6 suppliers85 claims85 services$115.30 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

4 suppliers93 claims94 services$12.01 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier12 claims12 services$2.42 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

8 suppliers551 claims552 services$29.15 avg. paid by Medicare

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

6 suppliers163 claims163 services$68.07 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

4 suppliers130 claims130 services$33.11 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

5 suppliers25 claims2,610 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

5 suppliers28 claims1,560 services$0.82 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

7 suppliers33 claims33 services$26.08 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 20

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

CLIFTON JAMES MARSCHEL CCP

Perfusionist

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 369-5811

HELENA KEESOON LEE

Nurse Practitioner (Family)

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 369-5811

SEAN EDWIN BOURKE M.D

Emergency Medicine

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 369-5811

SEQUOIA ANESTHESIA CONSULTANTS

Anesthesiology

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 367-5700

ROBERT B FISHER M D INC

Anesthesiology

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 369-5811

MELISSA MARCELIN

Registered Nurse

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 367-5636

DANIEL PARNELL, M.D., INC.

Anesthesiology

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (650) 367-5554

LISA KRISTEN BOOHAR MD

Radiology (Radiation Oncology)

170 ALAMEDA DE LAS PULGAS
REDWOOD CITY, CA 94062

San Mateo County (209) 342-2300

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 Melissa Lim's NPI number?

The NPI number for Melissa Lim is 1013910777. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Melissa Lim located?

Melissa Lim practices at 170 Alameda De Las Pulgas, Redwood City, CA 94062. The listed phone number is (650) 367-5636.

What is Melissa Lim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Melissa Lim enrolled in Medicare?

Yes. Melissa Lim 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 Melissa Lim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Lim reassigns Medicare benefits to 2 organizations: Redwood Pulmonary Medical Associates A Medical Corporation (Redwood City, CA) and Confermed Of California PC (Irvine, CA). 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 Melissa Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Lim was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.