DR. SIDDHARTHA SINGH MD
NPI 1437101169
Hospitalist in Milwaukee, WI

Q: What is Siddhartha Singh's NPI number?

The NPI number for Siddhartha Singh is 1437101169. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Q: What is Siddhartha Singh's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Siddhartha Singh was last updated on October 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 May 17, 2006PECOS Enrolled

80.46/100

CMS Quality Rating

9200 W WISCONSIN AVE, INTERNAL MEDICINE, MILWAUKEE, WI 53226(414) 805-0820(414) 805-0988 Get Directions Write a Review

NPPES record last updated: October 14, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Siddhartha Singh Md NPPES

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

DR. SIDDHARTHA SINGH MD (NPI 1437101169) is an individual hospitalist provider in Milwaukee, Wisconsin, licensed in Wisconsin (47371) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437101169

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. SIDDHARTHA SINGHCredential: MD

Location Address9200 W WISCONSIN AVE, INTERNAL MEDICINEMilwaukee, WI 53226-3522

Mailing Address9200 W Wisconsin Ave, Internal MedicineMilwaukee, WI 53226-3522 · (414) 805-0820 · Fax (414) 805-0988

Phone(414) 805-0820

Fax(414) 805-0988

Sole ProprietorNo

Enumeration DateMay 17, 2006

Last NPPES UpdateOctober 14, 2014

✔ NPI 1437101169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in WI · 47371

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 47371 (WI)

9200 W WISCONSIN AVE, Milwaukee, WI 53226

Open in Google Maps ↗

Other Identifiers 4

Medicare PIN003R73601WI

Other039906261NHumana

Medicare UPINI22188

Medicaid1437101169WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Siddhartha Singh Md 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 Reassignment

Medicare enrollment records show Siddhartha Singh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Medical College Of Wisconsin, Inc.

0.4 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

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

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.

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.

29 services12 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

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.

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.

80.46/100

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

Scored as part of a group practice

Quality

66.24

Promoting Interoperability

100

Improvement Activities

Cost

68.64

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 Siddhartha Singh's NPI number?

The NPI number for Siddhartha Singh is 1437101169. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Siddhartha Singh located?

Siddhartha Singh practices at 9200 W Wisconsin Ave Internal Medicine, Milwaukee, WI 53226. The listed phone number is (414) 805-0820.

What is Siddhartha Singh's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Siddhartha Singh enrolled in Medicare?

Yes. Siddhartha Singh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Siddhartha Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siddhartha Singh reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). The 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 Siddhartha Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Siddhartha Singh accept?

Health plans from Aspirus Health Plan list Siddhartha Singh 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.

When was this NPI record last updated?

The NPPES record for Siddhartha Singh was last updated on October 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.