DR. STEPHEN SPENCER M.D.
NPI 1336438282
Emergency Medicine in Milwaukee, WI

Q: What is Stephen Spencer's NPI number?

The NPI number for Stephen Spencer is 1336438282. It was assigned to this individual provider in the NPPES registry on March 31, 2011.

Q: What is Stephen Spencer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Spencer was last updated on July 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 March 31, 2011PECOS Enrolled

9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-6450(414) 805-6464 Get Directions Write a Review

NPPES record last updated: July 30, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Stephen Spencer M.d. NPPES

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

DR. STEPHEN SPENCER M.D. (NPI 1336438282) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (71540) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336438282

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. STEPHEN SPENCERCredential: M.D.

Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522

Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-6450 · Fax (414) 805-6464

Phone(414) 805-6450

Fax(414) 805-6464

Sole ProprietorNo

Enumeration DateMarch 31, 2011

Last NPPES UpdateJuly 30, 2019

✔ NPI 1336438282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in WI · 71540✔ Licensed in VA · T63-66-6209✔ Licensed in WV · 25415

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

9200 W WISCONSIN AVE, Milwaukee, WI 53226

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen Spencer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Stephen Spencer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Medical College Of Wisconsin, Inc.

0.5 mi

Internal Medicine

8701 WATERTOWN PLANK RD
Milwaukee, WI 53226

Reassigned Medicare billing, Wisconsin enrollment
3,983 clinicians in this Medicare group

NPI 1699720086 (414) 955-7101

Froedtert & the Medical College Of Wisconsin Community Physicians, Inc.

10 mi

Internal Medicine

W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051

Reassigned Medicare billing, Wisconsin enrollment
2,294 clinicians in this Medicare group

NPI 1568787448 (262) 255-2500

Ahn Emergency Group Of Pittsburgh Ltd.

451 mi

Emergency Medicine

320 E NORTH AVE
Pittsburgh, PA 15212

Reassigned Medicare billing, Pennsylvania enrollment
175 clinicians in this Medicare group

NPI 1043635402 (330) 493-4443

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 4

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

98 services98 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.

64 services57 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

31 services30 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM

Advanced Practice Midwife

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-4777

DR. ZACHARY SMITH DO

Internal Medicine (Gastroenterology)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-6830

DR. COLLEEN ANN CROWE M.D., M.P.H.

Emergency Medicine

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6469

ROBERTO MEJIAS APNP

Nurse Practitioner (Pediatrics)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6600

MRS. ANNE E B LAKATOS APN-BC, APNP, RN

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

MRS. AMANDA M MANDERS APNP

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

KATHLEEN A WATERHOUSE-SKIBICKI CRNA

Nurse Anesthetist, Certified Registered

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-5951

ANDREA L BEQUEST PA

Physician Assistant (Medical)

9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-0350

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 Stephen Spencer's NPI number?

The NPI number for Stephen Spencer is 1336438282. It was assigned to this individual provider in the NPPES registry on March 31, 2011.

Where is Stephen Spencer located?

Stephen Spencer practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-6450.

What is Stephen Spencer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephen Spencer enrolled in Medicare?

Yes. Stephen Spencer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephen Spencer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Spencer reassigns Medicare benefits to 3 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and Ahn Emergency Group Of Pittsburgh Ltd. (Pittsburgh, PA). 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 Stephen Spencer'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 Stephen Spencer was last updated on July 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.