1. Home
  2. Directory
  3. Iowa
  4. City
  5. Internal Medicine
  6. NPI Profile

HTAY PHYU M.D.,
NPI 1972946259
Internal Medicine in Iowa City, IA

Active since April 16, 2013PECOS EnrolledAccepts Medicare Assignment
200 HAWKINS DR, DEPARTMENT OF INTERNAL MEDICINE, IOWA CITY, IA 52242(319) 356-4198(319) 384-8557 Get Directions Write a Review

NPPES record last updated: September 25, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 23, 2016, Aug 31, 2016 (2 updates tracked since 2016).

About Htay Phyu M.d., NPPES

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

HTAY PHYU M.D., (NPI 1972946259) is an individual internal medicine provider in Iowa City, Iowa, licensed in Iowa (MD-43640) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Rosa, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1972946259
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHTAY PHYUCredential: M.D.,
Location Address200 HAWKINS DR, DEPARTMENT OF INTERNAL MEDICINEIowa City, IA 52242-1009
Mailing Address200 Hawkins Dr, Department Of Internal MedicineIowa City, IA 52242-1009 · (319) 356-4198 · Fax (319) 384-8557
Phone(319) 356-4198
Fax(319) 384-8557
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateApril 16, 2013
Last NPPES UpdateSeptember 25, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2023
✔ NPI 1972946259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · MD-43640
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License A188378 (CA)
200 HAWKINS DR, Iowa City, IA 52242
Open in Google Maps ↗

Secondary Practice Location 1

Location 11162 Montgomery Dr Ste 300Santa Rosa, CA 95405-4802 · Phone (707) 547-5437

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Htay Phyu 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 ID547555146
PECOS Enrollment IDI20231009003167
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

2

Medicare enrollment records show Htay Phyu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Joseph Regional Medical Center-South Bend Campus, Inc.
274 mi
Family Medicine
234 CHAPIN ST STE I (I)
South Bend, IN 46601
  • Reassigned Medicare billing, Indiana enrollment
  • 216 clinicians in this Medicare group
NPI 1396154324 (574) 335-8250
Providence Medical Foundation
1,479 mi
Urology
19333 BEAR VALLEY RD, SUITE 106
Apple Valley, CA 92308
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1053616706 (760) 240-5505

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 6

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 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.
501 services171 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.
276 services130 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
192 services166 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.
40 services30 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.
21 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

SANGIL LEE M.D.
Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2233
RAMI G. EL ABIAD M.D.
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-4901
GRERK SUTAMTEWAGUL MD
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Johnson County (319) 356-1616
DR. KALEB TANNER VEIT D.O.
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2320
OMAR JABER M.D
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 471-8958
JENNIFER MANCUSO MS, CGC
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Johnson County (319) 384-7983
ASHLEY KAISER M.D.
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Johnson County (319) 356-2294
MRS. NANCY JANE MILLICE
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242
Johnson County (319) 356-3825

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 Htay Phyu's NPI number?

The NPI number for Htay Phyu is 1972946259. It was assigned to this individual provider in the NPPES registry on April 16, 2013.

Where is Htay Phyu located?

Htay Phyu practices at 200 Hawkins Dr Department Of Internal Medicine, Iowa City, IA 52242. The listed phone number is (319) 356-4198.

What is Htay Phyu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Htay Phyu enrolled in Medicare?

Yes. Htay Phyu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Htay Phyu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Htay Phyu reassigns Medicare benefits to 2 organizations: Saint Joseph Regional Medical Center-South Bend Campus, Inc. (South Bend, IN) and Providence Medical Foundation (Apple Valley, CA). 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 Htay Phyu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Htay Phyu accept?

Health plans from CareSource list Htay Phyu 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 Htay Phyu was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.