2026 NPPES data Internal Medicine Physician NPI 1861913907 MD
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KYAW ZAW HEIN, MD

Internal Medicine Physician in AUSTIN, Minnesota. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
718
Medicare Part D claims · 265 beneficiaries · Internal Medicine Physician avg: 3K

What the federal data shows

KYAW ZAW HEIN, MD filed 718 Medicare Part D claims in 2023 as a Internal Medicine Physician in AUSTIN, Minnesota.

718
Part D claims, 2023
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

KYAW ZAW HEIN, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

718 Top 29% higher than 71% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). This entry sits in this band. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

KYAW ZAW HEIN, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about KYAW ZAW HEIN, MD?

Quality data not reported

NPI registry status

Active

Issued 06/28/2017

NPI 1861913907

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

718 74% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Minnesota

How Internal Medicine Physician compares to other specialties among Minnesota providers

Minnesota providers

Internal Medicine Physician share within Minnesota

1. Internal Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Internal Medicine Physician share within Minnesota

Specialty board-certification context

Estimated specialty board-certified rate — Internal Medicine Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Internal Medicine Physician ABMS/AOA estimate

Est. board-certified rate (Internal Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Internal Medicine Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

KYAW ZAW HEIN, MD appears in the CMS NPPES registry as a Internal Medicine Physician provider holding MD credentials at 1000 1ST DR NW, AUSTIN, MN, 55912, with a listed phone of (507) 433-7351. NPI 1861913907 was issued on 06/28/2017. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what HEIN most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 718 prescription claims written by this provider, covering 265 Medicare beneficiaries and totaling roughly $156K in drug spend, with an opioid prescribing rate of 1.5%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

1000 1ST DR NW
AUSTIN, MN 55912

Provider Details

NPI 1861913907
Specialty Internal Medicine Physician
Credentials MD
Gender Male
NPI Issued 06/28/2017

Hospital and facility affiliations

Facilities where KYAW ZAW HEIN, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

MAYO CLINIC HEALTH SYSTEM-SOUTHEAST MINNESOTA REGION
AUSTIN, MN

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

718
Total Claims
$156K
Total Drug Cost
265
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,203
Total Day Supply
30,718
Generic Drug Cost
$13K
Opioid Claims
11 (1.5% rate)
Antibiotic Claims
49

Patient Demographics

Average Patient Age
75.8 years
Avg HCC Risk Score
1.90
Gender Split
49% female / 51% male
Age Distribution
<65: 30, 65-74: 89, 75-84: 93, 85+: 53

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What KYAW ZAW HEIN, MD prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Atorvastatin Calcium
49
Amlodipine Besylate
30
Levothyroxine Sodium
28
Gabapentin
27
Furosemide
24
Omeprazole
24
Prednisone
23
Metoprolol Tartrate
16
Metoprolol Succinate
15
Warfarin Sodium
15

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Internal Medicine Physician Overview

How KYAW ZAW HEIN, MD fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

KYAW ZAW HEIN, MD's 718 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Minnesota

Other clinicians with the same primary specialty enrolled in Minnesota, drawn from the same CMS NPPES roster as HEIN.

Compare Internal Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is KYAW ZAW HEIN, MD's specialty?
KYAW ZAW HEIN, MD specializes in Internal Medicine Physician and practices in AUSTIN, Minnesota. Credentials: MD.
How much does KYAW ZAW HEIN, MD prescribe under Medicare Part D?
In 2023, KYAW ZAW HEIN, MD wrote 718 Medicare Part D claims totaling $156K in drug costs for 265 beneficiaries.
Where is KYAW ZAW HEIN, MD located?
KYAW ZAW HEIN, MD is located at 1000 1ST DR NW, AUSTIN, MN, 55912. Phone: (507) 433-7351.
What is KYAW ZAW HEIN, MD's NPI number?
KYAW ZAW HEIN, MD's National Provider Identifier (NPI) is 1861913907, issued on 06/28/2017.
Does KYAW ZAW HEIN, MD prescribe opioids?
Yes, KYAW ZAW HEIN, MD had 11 opioid claims in 2023 with an opioid prescribing rate of 1.5%.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does KYAW ZAW HEIN, MD prescribe most often?
Based on 2023 Medicare Part D data, KYAW ZAW HEIN, MD's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Levothyroxine Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KYAW ZAW HEIN, MD accept Medicare?
KYAW ZAW HEIN, MD appears in CMS Medicare data with 718 Part D claims and 265 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KYAW ZAW HEIN, MD's credentials?
KYAW ZAW HEIN, MD's NPI is 1861913907 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology