JOAN DAHMER M.D.
NPI 1417954785
Internal Medicine - Hematology & Oncology in Peoria, AZ

Q: What is Joan Dahmer's NPI number?

The NPI number for Joan Dahmer is 1417954785. It was assigned to this individual provider in the NPPES registry on July 1, 2005.

Q: What is Joan Dahmer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Joan Dahmer was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 July 01, 2005PECOS EnrolledAccepts Medicare Assignment

15000 N 83RD AVE UNIT 300, PEORIA, AZ 85381(623) 238-7490(480) 882-5019 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Joan Dahmer M.d. NPPES

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

JOAN DAHMER M.D. (NPI 1417954785) is an individual hematology & oncology provider in Peoria, Arizona, licensed in Arizona (29673) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Surprise, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1417954785

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameJOAN DAHMERCredential: M.D.

Location Address15000 N 83RD AVE UNIT 300Peoria, AZ 85381-2004

Mailing Address15000 N 83rd Ave Unit 300Peoria, AZ 85381-2004 · (623) 238-7490 · Fax (480) 882-5019

Phone(623) 238-7490

Fax(480) 882-5019

Sole ProprietorNo

Medical School CMSOtherGraduated 1982

Enumeration DateJuly 1, 2005

Last NPPES UpdateFebruary 25, 2026

NPPES CertifiedFebruary 25, 2026

✔ NPI 1417954785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in AZ · 29673

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

15000 N 83RD AVE UNIT 300, Peoria, AZ 85381

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Secondary Practice Location 1

Location 114674 W Mountain View Blvd Ste 105Surprise, AZ 85374-2707 · Phone (623) 238-7410 · Fax (623) 975-3902

Other Identifiers 1

Medicaid631102AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..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

Joan Dahmer 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 ID5890766992

PECOS Enrollment IDI20040803000763

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 8

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.

491 services221 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.

314 services228 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

84 services33 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.

80 services80 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.

74 services39 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.

63 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85381 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

$168.60 typical visit price

range $55.44 – $168.60

Typical copayment $42.15 (range $13.86 – $42.15)

Most-billed visit code 99205

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

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Other Providers at the Same Location NPPES 8

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

CLARENCE S ADOO M.D.

Internal Medicine (Hematology & Oncology)