What is Joan Sieren's NPI number?

Joan Sieren's National Provider Identifier (NPI) is 1972119071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joan Sieren's specialty?

Joan Sieren is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Joan Sieren located?

Joan Sieren's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.

What is Joan Sieren's phone number?

The practice phone number listed in the NPPES registry for Joan Sieren is (319) 384-9979.

Does Joan Sieren accept Medicare?

Joan Sieren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Joan Sieren's NPI active?

Yes — Joan Sieren's NPI (1972119071) is active in the NPPES registry as of the last update on 2025-04-04.

IndividualActiveAccepts Medicare

Joan Sieren, ARNP

NPI 1972119071 · Nurse Practitioner · Iowa City, IA

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Joan Sieren, ARNP is a Nurse Practitioner provider in Iowa City, IA (NPI 1972119071).

Provider details

NPI number: 1972119071
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: ARNP
Sex: Female
Sole proprietor: No
License: A159875 (IA)

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense A159875 (IA)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense A159875 (IA)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
5 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
277 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	97	$76
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	95	$102
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	40	$113
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	28	$113
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	17	$104

Typical Medicare-allowed amounts for these services range $76–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

Practice location

200 Hawkins Dr

Iowa City, IA 52242-1009

Phone: (319) 384-9979

Street-level locationGet directions

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Mailing address