DR. MASAAKI YAMADA M.D.
NPI 1962766139
Internal Medicine - Nephrology in Iowa City, IA

Active since July 02, 2012PECOS EnrolledAccepts Medicare Assignment
200 HAWKINS DR, IOWA CITY, IA 52242(319) 384-7998(319) 356-2999 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 8, 2025, Sep 23, 2019 (2 updates tracked since 2019).

About Dr. Masaaki Yamada M.d. NPPES

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

DR. MASAAKI YAMADA M.D. (NPI 1962766139) is an individual nephrology provider in Iowa City, Iowa, licensed in Iowa (MD-45740) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1962766139
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MASAAKI YAMADACredential: M.D.
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-7998 · Fax (319) 356-2999
Fax(319) 356-2999
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 2, 2012
Last NPPES UpdateAugust 8, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
NPI 1962766139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in IA · MD-45740
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD-45740 (IA)
200 HAWKINS DR, Iowa City, IA 52242

Secondary Practice Locations 2

Location 19500 Euclid AveCleveland, OH 44195-0001 · Phone (216) 444-2200
Location 2500 E Market StIowa City, IA 52245-2633 · Phone (319) 339-3551

Accepted 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

Dr. Masaaki Yamada 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 ID840590139
PECOS Enrollment IDI20191003002772
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 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.

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.
90 services27 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.
69 services25 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.
18 services18 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.
16 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Iowa Health Care Medical Center Down

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160029
Location500 E Market StreetIowa City, IA 52245 · Johnson County
Emergency services Birthing friendly

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number160058
Location200 Hawkins DriveIowa City, IA 52242 · Johnson County
Emergency services Birthing friendly

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.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers37 claims2,190 services$2.03 avg. paid by Medicare
Cyclosporine, oral, 100 mg J7502
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers24 claims1,380 services$1.58 avg. paid by Medicare
Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
5 suppliers150 claims76,641 services$1.20 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
30 suppliers417 claims38,813 services$0.29 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
17 suppliers309 claims42,200 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
11 suppliers54 claims7,770 services$0.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pharmacist
200 HAWKINS DR
IOWA CITY, IA 52242
Pediatrics
200 HAWKINS DR
IOWA CITY, IA 52242
Transplant Surgery
200 HAWKINS DR
IOWA CITY, IA 52242
Surgery (Vascular Surgery)
200 HAWKINS DR
IOWA CITY, IA 52242
Ophthalmology
200 HAWKINS DR
IOWA CITY, IA 52242
Ophthalmology
200 HAWKINS DR
IOWA CITY, IA 52242
Optometrist
200 HAWKINS DR
IOWA CITY, IA 52242
Urology
200 HAWKINS DR
IOWA CITY, IA 52242

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 Masaaki Yamada's NPI number?

The NPI number for Masaaki Yamada is 1962766139. It was assigned to this individual provider in the NPPES registry on July 2, 2012.

Where is Masaaki Yamada located?

Masaaki Yamada practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-7998.

What is Masaaki Yamada's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Masaaki Yamada enrolled in Medicare?

Yes. Masaaki Yamada 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.

What insurance does Masaaki Yamada accept?

Health plans from Medica and Sanford Health Plan list Masaaki Yamada 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.

Is Masaaki Yamada affiliated with any hospitals?

According to CMS data, Masaaki Yamada is affiliated with University Of Iowa Health Care Medical Center Down and University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Masaaki Yamada was last updated on August 8, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.