RONALD DAVID KERWIN MD
NPI 1265497622
Dermatology in West Bloomfield, MI

Q: What is Ronald Kerwin's NPI number?

The NPI number for Ronald Kerwin is 1265497622. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Q: What is Ronald Kerwin's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Kerwin was last updated on November 18, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 19, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

6330 ORCHARD LAKE RD, # 120, WEST BLOOMFIELD, MI 48322(248) 855-3366(248) 855-6213 Get Directions Write a Review

NPPES record last updated: November 18, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ronald David Kerwin Md NPPES

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

RONALD DAVID KERWIN MD (NPI 1265497622) is an individual dermatology provider in West Bloomfield, Michigan, licensed in Michigan (044088) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Wayne State University School Of Medicine (1976).

NPPES Registry Identity

NPI1265497622

Entity TypeIndividualMale

Primary Taxonomy207N00000X

Provider Legal NameRONALD DAVID KERWINCredential: MD

Location Address6330 ORCHARD LAKE RD, # 120West Bloomfield, MI 48322-2398

Mailing Address6330 Orchard Lake Rd, # 120West Bloomfield, MI 48322-2398 · (248) 855-3366 · Fax (248) 855-6213

Phone(248) 855-3366

Fax(248) 855-6213

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 1976

Enumeration DateApril 19, 2006

Last NPPES UpdateNovember 18, 2020

NPPES CertifiedNovember 18, 2020

✔ NPI 1265497622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in MI · 044088

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

6330 ORCHARD LAKE RD, West Bloomfield, MI 48322

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Ronald David Kerwin 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 ID648270215

PECOS Enrollment IDI20100306000359

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.

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

500 services80 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.

480 services329 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.

355 services248 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

306 services238 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

283 services82 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

194 services144 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

184 services154 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

150 services85 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

134 services53 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

111 services51 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

84 services59 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

71 services37 patients

Simple or single drainage of skin abscess 10060

A simple or single drainage of skin abscess is a procedure to remove pus from a skin infection. A small cut is made on the abscess, the pus is drained out, and the area is cleaned. This helps to reduce pain, speed up recovery, and prevent the spread of infection.

70 services53 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

63 services41 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

50 services50 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.

37 services37 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

24 services24 patients

Biopsy of ear 69100

A biopsy of the ear is a medical procedure where a small sample of tissue is taken from your ear for examination. This helps doctors diagnose any abnormalities or diseases. It's a simple process, usually done under local anesthesia, and has minimal risks.

16 services15 patients

Hospital Affiliations CMS Care Compare

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

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48322 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

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

Established Patient

$72.38 typical visit price

range $18.32 – $143.49

Typical copayment $18.09 (range $4.58 – $35.87)

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.

100/100

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

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Biopsy Follow-Up

Percentage of new patients whose biopsy results have been reviewed and communicated to the primary care/referring physician and patient by the performing physician

100%419 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

95%9,896 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

3%2,046 patients1/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

73%6,553 patients3/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

73%6,553 patients3/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%6,553 patients1/55-star benchmark: 79%

Tobacco Use and Help with Quitting Among Adolescents

The percentage of adolescents 12 to 20 years of age with a primary care visit during the measurement year for whom tobacco use status was documented and received help with quitting if identified as a tobacco user

100%892 patients

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.

AARON STUART CETNER M.D.

Dermatology (MOHS-Micrographic Surgery)

6330 ORCHARD LAKE RD, SUITE 120
WEST BLOOMFIELD, MI 48322

Oakland County (248) 694-6390

JEFFREY TULIN SILVER MD PC

Allergy & Immunology (Allergy)

6330 ORCHARD LAKE RD, SUITE 110
WEST BLOOMFIELD, MI 48322

Oakland County (248) 932-0082

DR. SUCHETHA KINHAL MD

Allergy & Immunology

6330 ORCHARD LAKE RD, SUITE 110
WEST BLOOMFIELD, MI 48322

Oakland County (248) 932-0082

DR. JEFFREY TULIN SILVER MD

Allergy & Immunology

6330 ORCHARD LAKE RD, SUITE 110
WEST BLOOMFIELD, MI 48322

Oakland County (248) 932-0082

MS. KIMBERLEY GRETCHEN BEHRENS M.D.

Pathology (Dermatopathology)

6330 ORCHARD LAKE RD, SUITE 120
WEST BLOOMFIELD, MI 48322

Oakland County (248) 855-3366

DR. MICHAEL A DORMAN MD

Dermatology

6330 ORCHARD LAKE RD, SUITE 120
WEST BLOOMFIELD, MI 48322

Oakland County (248) 855-3366

RONALD D KERWIN MD PC

Dermatology

6330 ORCHARD LAKE RD, #120
WEST BLOOMFIELD, MI 48322

Oakland County (248) 855-3366

MRS. SUZANNE MERKLE MD

Dermatology

6330 ORCHARD LAKE RD, #120
WEST BLOOMFIELD, MI 48322

Oakland County (248) 855-3366

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 Ronald Kerwin's NPI number?

The NPI number for Ronald Kerwin is 1265497622. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Ronald Kerwin located?

Ronald Kerwin practices at 6330 Orchard Lake Rd # 120, West Bloomfield, MI 48322. The listed phone number is (248) 855-3366.

What is Ronald Kerwin's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Ronald Kerwin enrolled in Medicare?

Yes. Ronald Kerwin 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 Ronald Kerwin accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Cross Blue Shield of Michigan Mutual Insurance Company and McLaren Health Plan Community and 1 other insurer list Ronald Kerwin 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 Ronald Kerwin affiliated with any hospitals?

According to CMS data, Ronald Kerwin is affiliated with Beaumont Hospital Royal Oak.

When was this NPI record last updated?

The NPPES record for Ronald Kerwin was last updated on November 18, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.