2026 NPPES data Surgery Physician NPI 1659593754 MD
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KRISTAN GUENTERBERG, MD

Surgery Physician in SILVERDALE, Washington. 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
216
Medicare Part D claims · 140 beneficiaries · Surgery Physician avg: 169
Generic prescribing
86%
generic claims · 14% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
74.8476/100
▼ 8 pts below national avg 83.1 · [object Object]
What the federal data reveals: KRISTAN GUENTERBERG, MD is a Surgery Physician ([object Object]) practicing in SILVERDALE, Washington with a Medicare Part D prescribing footprint of 216 claims across 140 beneficiaries — 14% brand-name prescribing . Their CMS MIPS Final Score of 74.8476/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: KRISTAN GUENTERBERG, MD reported a CMS MIPS final score of 74.8476 out of 100, below the 83.1 national average, and filed 216 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

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

KRISTAN GUENTERBERG, MD at a glance

Below national average

NPI registry status

Active

Issued 05/02/2007

NPI 1659593754

Primary specialty

Surgery Physician

Mid-sized

36,191 US NPIs in this specialty

Medicare Part D claims

216 28% vs specialty avg

2023 prescription claims

Specialty avg: 169

MIPS final score

74.8476/100 8.252399999999994% pts

Mid-tier band

vs 83.1 national avg

Specialty distribution in Washington

How Surgery Physician compares to other specialties among Washington providers

Washington providers

Surgery Physician share within Washington

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

Medicare quality performance — MIPS

KRISTAN GUENTERBERG, MD's 2023 MIPS final score plotted against the Surgery Physician national average

Below national average
MIPS Final Score
74.8476/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Surgery Physician) — 74.8476/100 vs national avg 83.1

0%100%National avg83%74.8%
MIPS final score (Surgery Physician) — 74.8476/100 vs national avg 83.1

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).

KRISTAN GUENTERBERG, MD is a Surgery Physician provider practicing in SILVERDALE, Washington, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1659593754. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

KRISTAN GUENTERBERG, MD appears in the CMS NPPES registry as a Surgery Physician provider holding MD credentials at 9927 MICKELBERRY RD NW, SILVERDALE, WA, 98383, with a listed phone of (360) 613-1335. NPI 1659593754 was issued on 05/02/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GUENTERBERG 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 216 prescription claims written by this provider, covering 140 Medicare beneficiaries and totaling roughly $5K in drug spend, split 14% brand-name and 86% generic by claim count, with an opioid prescribing rate of 28.2%. 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 74.8476/100 for the 2023 performance year (Quality 62.9957), compared with the national average of 83.1.

Surgery Physician is a mid-sized specialty nationwide, with 36,191 enrolled providers across 56 states and an average of 169 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

9927 MICKELBERRY RD NW
SILVERDALE, WA 98383

Provider Details

NPI 1659593754
Specialty Surgery Physician
Credentials MD
Gender Male
NPI Issued 05/02/2007

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

74.8476
Final Score
Avg: 83.1
62.9957
Quality
84
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where KRISTAN GUENTERBERG, 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.

KITSAP GENERAL SURGERY PLLC
SILVERDALE, WA

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

License & disciplinary context — Washington WMC 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~34K Washington medical licensees in 2023 — they are NOT specific to KRISTAN GUENTERBERG, MD. To verify KRISTAN GUENTERBERG, MD's current license status, search the WMC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

88
Total board actions, Washington 2023
Across 85 cases
2.59
Actions per 1,000 licensees
Washington statewide rate
probation
Most common action type
31 cases

WMC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Washington disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

KRISTAN GUENTERBERG, MD — brand share 14.0%
Specialty average (est.)

14% brand-name claims vs 86% generic, on 216 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

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

216
Total Claims
$5K
Total Drug Cost
140
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
217
Total Day Supply
1,294
Brand vs Generic
14% brand / 86% generic
Brand Drug Cost
$3K
Generic Drug Cost
$2K
Opioid Claims
61 (28.2% rate)
Antibiotic Claims
30

Patient Demographics

Average Patient Age
70.5 years
Avg HCC Risk Score
1.40
Gender Split
51% female / 49% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Oxycodone Hcl
54
Ibuprofen
37
Metronidazole
12
Neomycin Sulfate
11
Gavilyte-G
"Peg3350/Sod Sulf
N/A
Sod Sulf-Potass Sulf-Mag Sulf
"Sodium
N/A

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

Surgery Physician Overview

How KRISTAN GUENTERBERG, MD fits within the Surgery Physician landscape nationally.

36,191
Surgery Physician Providers in US
56
States with Surgery Physician
169
Avg Claims per Provider

KRISTAN GUENTERBERG, MD's 216 claims are above the specialty average of 169.

Nearby Surgery Physician Providers in Washington

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

Compare Surgery Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is KRISTAN GUENTERBERG, MD's specialty?
KRISTAN GUENTERBERG, MD specializes in Surgery Physician and practices in SILVERDALE, Washington. Credentials: MD.
How much does KRISTAN GUENTERBERG, MD prescribe under Medicare Part D?
In 2023, KRISTAN GUENTERBERG, MD wrote 216 Medicare Part D claims totaling $5K in drug costs for 140 beneficiaries.
What is KRISTAN GUENTERBERG, MD's Medicare quality score?
KRISTAN GUENTERBERG, MD has a CMS MIPS Final Score of 74.8476/100 (Quality: 62.9957). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is KRISTAN GUENTERBERG, MD located?
KRISTAN GUENTERBERG, MD is located at 9927 MICKELBERRY RD NW, SILVERDALE, WA, 98383. Phone: (360) 613-1335.
What is KRISTAN GUENTERBERG, MD's NPI number?
KRISTAN GUENTERBERG, MD's National Provider Identifier (NPI) is 1659593754, issued on 05/02/2007.
Does KRISTAN GUENTERBERG, MD prescribe more brand-name or generic drugs?
KRISTAN GUENTERBERG, MD's prescribing is 14% brand-name and 86% generic drugs by claim count, with $3K in brand drug costs.
Does KRISTAN GUENTERBERG, MD prescribe opioids?
Yes, KRISTAN GUENTERBERG, MD had 61 opioid claims in 2023 with an opioid prescribing rate of 28.2%.
How many Surgery Physician providers are there in the US?
There are 36,191 Surgery Physician providers across 56 states in the US. The average Surgery Physician provider writes 169 Medicare Part D claims per year.
What drugs does KRISTAN GUENTERBERG, MD prescribe most often?
Based on 2023 Medicare Part D data, KRISTAN GUENTERBERG, MD's most frequently prescribed drugs include Oxycodone Hcl, Ibuprofen, Metronidazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KRISTAN GUENTERBERG, MD accept Medicare?
KRISTAN GUENTERBERG, MD appears in CMS Medicare data with 216 Part D claims and 140 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KRISTAN GUENTERBERG, MD's credentials?
KRISTAN GUENTERBERG, MD's NPI is 1659593754 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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