2026 NPPES data Hospice and Palliative Medicine (Family Medicine) Physician NPI 1285723130 MD
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KAREN MUSOLF, MD

Hospice and Palliative Medicine (Family Medicine) Physician in CHELSEA, Michigan. 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
6K
Medicare Part D claims · 367 beneficiaries · Hospice and Palliative Medicine (Family Medicine) Physician avg: 2K
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

KAREN MUSOLF, MD filed 6,223 Medicare Part D claims in 2023 as a Hospice and Palliative Medicine (Family Medicine) Physician in CHELSEA, Michigan, prescribing 90% generic.

6K
Part D claims, 2023
90%
generic prescribing
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.

KAREN MUSOLF, MD's Medicare Part D volume vs every U.S. prescriber

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

6,223 Top 5% higher than 95% 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%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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)

KAREN MUSOLF, 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 KAREN MUSOLF, MD?

Quality data not reported

NPI registry status

Active

Issued 10/11/2006

NPI 1285723130

Primary specialty

Hospice and Palliative Medicine (Family Medicine) Physician

Niche

784 US NPIs in this specialty

Medicare Part D claims

6,223 201% vs specialty avg

2023 prescription claims

Specialty avg: 2,070

Specialty distribution in Michigan

How Hospice and Palliative Medicine (Family Medicine) Physician compares to other specialties among Michigan providers

Michigan providers

Hospice and Palliative Medicine (Family Medicine) Physician share within Michigan

1. Hospice and Palliative Medicine (Family Medicine) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Hospice and Palliative Medicine (Family Medicine) Physician share within Michigan

Specialty board-certification context

Estimated specialty board-certified rate — Hospice and Palliative Medicine (Family Medicine) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Hospice and Palliative Medicine (Family Medicine) Physician ABMS/AOA estimate

Est. board-certified rate (Hospice and Palliative Medicine (Family Medicine) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Hospice and Palliative Medicine (Family 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).

KAREN MUSOLF, MD is a Hospice and Palliative Medicine (Family Medicine) Physician provider practicing in CHELSEA, Michigan, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1285723130. 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.

KAREN MUSOLF, MD appears in the CMS NPPES registry as a Hospice and Palliative Medicine (Family Medicine) Physician provider holding MD credentials at 14700 EAST OLD US 12, CHELSEA, MI, 48118, with a listed phone of (734) 475-1321. NPI 1285723130 was issued on 10/11/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MUSOLF 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 6,223 prescription claims written by this provider, covering 367 Medicare beneficiaries and totaling roughly $525K in drug spend, split 10% brand-name and 90% generic by claim count, with an opioid prescribing rate of 0.9%. 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.

Hospice and Palliative Medicine (Family Medicine) Physician is a narrow specialty nationwide, with 784 enrolled providers across 51 states and an average of 2,070 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

14700 EAST OLD US 12
CHELSEA, MI 48118

Provider Details

NPI 1285723130
Specialty Hospice and Palliative Medicine (Family Medicine) Physician
Credentials MD
Gender Female
NPI Issued 10/11/2006

Hospital and facility affiliations

Facilities where KAREN MUSOLF, 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.

REGENTS OF THE UNIVERSITY OF MICHIGAN
CHELSEA, MI

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 — Michigan MI-BOM 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 ~41K Michigan medical licensees in 2023 — they are NOT specific to KAREN MUSOLF, MD. To verify KAREN MUSOLF, MD's current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases

MI-BOM 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 Michigan disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

KAREN MUSOLF, MD — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 6,223 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.

6,223
Total Claims
$525K
Total Drug Cost
367
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
10,539
Total Day Supply
297,090
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$357K
Generic Drug Cost
$168K
Opioid Claims
54 (0.9% rate)
Antibiotic Claims
127

Patient Demographics

Average Patient Age
79.5 years
Avg HCC Risk Score
1.58
Gender Split
79% female / 21% male
Age Distribution
<65: 24, 65-74: 100, 75-84: 110, 85+: 133

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Atorvastatin Calcium
339
Levothyroxine Sodium
296
Lisinopril
241
Duloxetine Hcl
173
Amlodipine Besylate
163
Metformin Hcl
153
Omeprazole
150
Sertraline Hcl
150
Furosemide
144
Hydrochlorothiazide
121

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

Hospice and Palliative Medicine (Family Medicine) Physician Overview

How KAREN MUSOLF, MD fits within the Hospice and Palliative Medicine (Family Medicine) Physician landscape nationally.

784
Hospice and Palliative Medicine (Family Medicine) Physician Providers in US
51
States with Hospice and Palliative Medicine (Family Medicine) Physician
2,070
Avg Claims per Provider

KAREN MUSOLF, MD's 6,223 claims are above the specialty average of 2,070.

Nearby Hospice and Palliative Medicine (Family Medicine) Physician Providers in Michigan

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

Compare Hospice and Palliative Medicine (Family Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is KAREN MUSOLF, MD's specialty?
KAREN MUSOLF, MD specializes in Hospice and Palliative Medicine (Family Medicine) Physician and practices in CHELSEA, Michigan. Credentials: MD.
How much does KAREN MUSOLF, MD prescribe under Medicare Part D?
In 2023, KAREN MUSOLF, MD wrote 6,223 Medicare Part D claims totaling $525K in drug costs for 367 beneficiaries.
Where is KAREN MUSOLF, MD located?
KAREN MUSOLF, MD is located at 14700 EAST OLD US 12, CHELSEA, MI, 48118. Phone: (734) 475-1321.
What is KAREN MUSOLF, MD's NPI number?
KAREN MUSOLF, MD's National Provider Identifier (NPI) is 1285723130, issued on 10/11/2006.
Does KAREN MUSOLF, MD prescribe more brand-name or generic drugs?
KAREN MUSOLF, MD's prescribing is 10% brand-name and 90% generic drugs by claim count, with $357K in brand drug costs.
Does KAREN MUSOLF, MD prescribe opioids?
Yes, KAREN MUSOLF, MD had 54 opioid claims in 2023 with an opioid prescribing rate of 0.9%.
How many Hospice and Palliative Medicine (Family Medicine) Physician providers are there in the US?
There are 784 Hospice and Palliative Medicine (Family Medicine) Physician providers across 51 states in the US. The average Hospice and Palliative Medicine (Family Medicine) Physician provider writes 2,070 Medicare Part D claims per year.
What drugs does KAREN MUSOLF, MD prescribe most often?
Based on 2023 Medicare Part D data, KAREN MUSOLF, MD's most frequently prescribed drugs include Atorvastatin Calcium, Levothyroxine Sodium, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KAREN MUSOLF, MD accept Medicare?
KAREN MUSOLF, MD appears in CMS Medicare data with 6,223 Part D claims and 367 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KAREN MUSOLF, MD's credentials?
KAREN MUSOLF, MD's NPI is 1285723130 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