DR. ADDISON MICHAEL DEMER M.D.
NPI 1912392390
Dermatology - MOHS-Micrographic Surgery in Rochester, MN

Q: What is Addison Demer's NPI number?

The NPI number for Addison Demer is 1912392390. It was assigned to this individual provider in the NPPES registry on April 1, 2015.

Q: What is Addison Demer's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Q: When was this NPI record last updated?

The NPPES record for Addison Demer was last updated on February 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 01, 2015PECOS EnrolledAccepts Medicare Assignment

200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: February 3, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 3, 2021, Oct 6, 2020, Aug 13, 2020 and 2 more (5 updates tracked since 2017).

On this page

About Dr. Addison Michael Demer M.d. NPPES

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

DR. ADDISON MICHAEL DEMER M.D. (NPI 1912392390) is an individual mohs-micrographic surgery provider in Rochester, Minnesota, licensed in Minnesota (62235) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Saint Paul.

NPPES Registry Identity

NPI1912392390

Entity TypeIndividualMale

Primary Taxonomy207ND0101X

Provider Legal NameDR. ADDISON MICHAEL DEMERCredential: M.D.

Location Address200 1ST ST SWRochester, MN 55905-0001

Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511

Phone(507) 284-2511

Sole ProprietorNo

Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2015

Enumeration DateApril 1, 2015

Last NPPES UpdateFebruary 3, 20215 updates tracked since enumeration

NPPES CertifiedFebruary 3, 2021

✔ NPI 1912392390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207ND0101X

License✔ Licensed in MN · 62235

Definition

The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

Also ListedDermatologyTaxonomy 207N00000X · License 62235 (MN)

200 1ST ST SW, Rochester, MN 55905

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Secondary Practice Location 1

Location 11021 Bandana Blvd E Ste 100Saint Paul, MN 55108-5109 · Phone (651) 241-9700

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. Addison Michael Demer 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 ID3678868148

PECOS Enrollment IDI20170915001812

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

Mayo Clinic

Same address

Infectious Disease

200 1ST ST SW
Rochester, MN 55905

Reassigned Medicare billing, Minnesota enrollment
6,534 clinicians in this Medicare group

NPI 1114343860 (507) 284-2511

Park Nicollet Methodist Hospital

76 mi

General Acute Care Hospital

3900 PARK NICOLLET BLVD
St Louis Park, MN 55416

Reassigned Medicare billing, Minnesota enrollment
Medicare enrollment name: Park Nicollet Clinic
2,527 clinicians in this Medicare group

NPI 1194113217 (952) 993-1953

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 28

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.

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311

This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.

319 services256 patients

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.

142 services32 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

87 services87 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312

This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.

86 services62 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 12052

This procedure involves repairing a wound on the face, ears, eyelids, nose, lips, or mouth that measures between 2.6-5.0 cm. The process includes cleaning, suturing if necessary, and dressing the wound to promote healing and prevent infection.

73 services73 patients

Removal and microscopic exam of growth, each additional block after 5 tissue blocks 17315

This procedure involves the removal of a growth for further examination. After the initial 5 tissue blocks, each additional block is examined under a microscope. This helps identify the nature of the growth and aids in determining the best course of treatment.

56 services12 patients

Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 11603

This procedure involves the removal of a cancerous skin growth, between 2.1 and 3.0 cm, from the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The goal is to eliminate all cancer cells while minimizing scarring.

55 services51 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.

53 services53 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.

47 services44 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.

38 services33 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

36 services27 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

31 services20 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.

30 services28 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 5.1-7.5 cm 12053

This procedure involves the repair of a medium-sized wound (5.1-7.5 cm) on the face, ears, eyelids, nose, lips, or mouth. It's more complex than a simple stitch-up, often requiring layered stitches to ensure proper healing and minimize scarring.

29 services29 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm 12034

This procedure involves the repair of a moderate-sized wound (7.6-12.5 cm) on the scalp, underarms, trunk, arms, or legs. It includes cleaning, removing damaged tissue, and stitching the wound to promote healing. Local anesthesia is used for comfort.

28 services27 patients

Intermediate repair of wound of neck, hands, feet, or genitals, 2.6-7.5 cm 12042

This is a procedure to mend a moderate wound between 2.6-7.5 cm on your neck, hands, or feet. It involves cleaning the wound, removing any damaged tissue, and stitching it back together to promote healing and minimize scarring.

28 services28 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.

25 services14 patients

Removal of cancer skin growth of body, arms, or legs, 3.1-4.0 cm 11604

This procedure involves removing a cancerous skin growth measuring 3.1-4.0 cm on the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The wound is stitched for healing. Regular follow-ups ensure complete removal and recovery.

21 services21 patients

Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 17313

This procedure involves the removal of a growth from your trunk, arms, or legs. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to identify any abnormalities. This helps in diagnosing and planning further treatment.

21 services20 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.

18 services18 patients

Full thickness skin graft to nose, ears, eyelids, or lips, 20.0 sq cm or less 15260

A full thickness skin graft is a procedure where a layer of skin is taken from one area of the body and transplanted to another. If it's done on the nose, ears, eyelids, or lips, it helps restore these areas when damaged. The size of the graft is 20.0 sq cm or less.

17 services17 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 7.6-12.5 cm 12054

This procedure involves the repair of a wound between 7.6-12.5 cm on the face, ears, eyelids, nose, lips, or mouth. It's an intermediate level repair, meaning it may involve layered closure of one or more deeper layers of skin and tissue. It's done under local or general anesthesia.

16 services15 patients

Application of skin substitute graft to wound of face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 25.0 sq cm or less of wound 100.0 sq cm or less 15275

This procedure involves applying a skin substitute graft to a wound that's 25.0 sq cm or less, located on areas such as the face, scalp, eyelids, mouth, neck, ears, around eyes, hands, feet, fingers, or toes. The graft aids in wound healing and tissue regeneration.

14 services14 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

13 services13 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

12 services12 patients

Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm 13152

This procedure involves repairing a wound on your eyelids, nose, ears, or lip that is between 2.6 and 7.5 cm long. It's considered complicated due to the location and size. The doctor will clean, treat, and stitch the wound to promote healing.

12 services12 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.

12 services12 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.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number240010

Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

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.

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.

EMILY LEASURE MD

Internal Medicine