2026 NPPES data Medical Physician Assistant NPI 1386899458 P.A.
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STACY BAUM, P.A.

Medical Physician Assistant in SOUTH ELGIN, Illinois. 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
4K
Medicare Part D claims · 640 beneficiaries · Medical Physician Assistant avg: 1K
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
94.1036/100
▲ 11 pts above national avg 83.1 · [object Object]
Industry payments
$30.31
2 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: STACY BAUM, P.A. is a Medical Physician Assistant ([object Object]) practicing in SOUTH ELGIN, Illinois with a Medicare Part D prescribing footprint of 4K claims across 640 beneficiaries — 10% brand-name prescribing . Their CMS MIPS Final Score of 94.1036/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $30.31 across 2 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: STACY BAUM, P.A. reported a CMS MIPS final score of 94.1036 out of 100, above the 83.1 national average, and filed 3,886 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

STACY BAUM, P.A. at a glance

High performer (top quartile)

NPI registry status

Active

Issued 11/17/2008

NPI 1386899458

Primary specialty

Medical Physician Assistant

Mid-sized

40,527 US NPIs in this specialty

Medicare Part D claims

3,886 261% vs specialty avg

2023 prescription claims

Specialty avg: 1,077

MIPS final score

94.1036/100 11.003600000000006% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Illinois

How Medical Physician Assistant compares to other specialties among Illinois providers

Illinois providers

Medical Physician Assistant share within Illinois

1. Medical Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Medical Physician Assistant share within Illinois

Medicare quality performance — MIPS

STACY BAUM, P.A.'s 2023 MIPS final score plotted against the Medical Physician Assistant national average

High performer (top quartile)
MIPS Final Score
94.1036/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Medical Physician Assistant) — 94.1036/100 vs national avg 83.1

0%100%National avg83%94.1%
MIPS final score (Medical Physician Assistant) — 94.1036/100 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).

STACY BAUM, P.A. is a Medical Physician Assistant provider practicing in SOUTH ELGIN, Illinois, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: P.A.. NPI: 1386899458. 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.

STACY BAUM, P.A. appears in the CMS NPPES registry as a Medical Physician Assistant provider holding P.A. credentials at 552 RANDALL RD, SOUTH ELGIN, IL, 60177, with a listed phone of (630) 315-6700. NPI 1386899458 was issued on 11/17/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BAUM 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 3,886 prescription claims written by this provider, covering 640 Medicare beneficiaries and totaling roughly $350K in drug spend, split 10% brand-name and 90% generic by claim count, with an opioid prescribing rate of 1.7%. 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 94.1036/100 for the 2023 performance year (Quality 82.5938), compared with the national average of 83.1.

Medical Physician Assistant is a mid-sized specialty nationwide, with 40,527 enrolled providers across 55 states and an average of 1,077 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

552 RANDALL RD
SOUTH ELGIN, IL 60177

Provider Details

NPI 1386899458
Specialty Medical Physician Assistant
Credentials P.A.
Gender Female
NPI Issued 11/17/2008

CMS Quality Score (MIPS)

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

94.1036
Final Score
Avg: 83.1
82.5938
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where STACY BAUM, P.A. 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.

CENTRAL DUPAGE PHYSICIAN GROUP
WHEATON, IL

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

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for STACY BAUM, P.A.. Source: openpaymentsdata.cms.gov.

Total received

$30

Largest payer

Lilly USA, LLC

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

License & disciplinary context — Illinois IDFPR 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 ~42K Illinois medical licensees in 2023 — they are NOT specific to STACY BAUM, P.A.. To verify STACY BAUM, P.A.'s current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR 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 Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

STACY BAUM, P.A. — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 3,886 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.

3,886
Total Claims
$350K
Total Drug Cost
640
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
9,390
Total Day Supply
276,964
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$267K
Generic Drug Cost
$82K
Opioid Claims
67 (1.7% rate)
Antibiotic Claims
65

Patient Demographics

Average Patient Age
74.1 years
Avg HCC Risk Score
1.09
Gender Split
52% female / 48% male
Age Distribution
<65: 27, 65-74: 314, 75-84: 245, 85+: 54

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
306
Losartan Potassium
194
Levothyroxine Sodium
193
Amlodipine Besylate
154
Metoprolol Succinate
123
Hydrochlorothiazide
120
Allopurinol
92
Omeprazole
89
Citalopram Hbr
Citalopram Hydrobromide
86
Pantoprazole Sodium
78

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

Medical Physician Assistant Overview

How STACY BAUM, P.A. fits within the Medical Physician Assistant landscape nationally.

40,527
Medical Physician Assistant Providers in US
55
States with Medical Physician Assistant
1,077
Avg Claims per Provider

STACY BAUM, P.A.'s 3,886 claims are above the specialty average of 1,077.

Nearby Medical Physician Assistant Providers in Illinois

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

Compare Medical Physician Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is STACY BAUM, P.A.'s specialty?
STACY BAUM, P.A. specializes in Medical Physician Assistant and practices in SOUTH ELGIN, Illinois. Credentials: P.A..
How much does STACY BAUM, P.A. prescribe under Medicare Part D?
In 2023, STACY BAUM, P.A. wrote 3,886 Medicare Part D claims totaling $350K in drug costs for 640 beneficiaries.
What is STACY BAUM, P.A.'s Medicare quality score?
STACY BAUM, P.A. has a CMS MIPS Final Score of 94.1036/100 (Quality: 82.5938). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is STACY BAUM, P.A. located?
STACY BAUM, P.A. is located at 552 RANDALL RD, SOUTH ELGIN, IL, 60177. Phone: (630) 315-6700.
What is STACY BAUM, P.A.'s NPI number?
STACY BAUM, P.A.'s National Provider Identifier (NPI) is 1386899458, issued on 11/17/2008.
Does STACY BAUM, P.A. prescribe more brand-name or generic drugs?
STACY BAUM, P.A.'s prescribing is 10% brand-name and 90% generic drugs by claim count, with $267K in brand drug costs.
Does STACY BAUM, P.A. prescribe opioids?
Yes, STACY BAUM, P.A. had 67 opioid claims in 2023 with an opioid prescribing rate of 1.7%.
How many Medical Physician Assistant providers are there in the US?
There are 40,527 Medical Physician Assistant providers across 55 states in the US. The average Medical Physician Assistant provider writes 1,077 Medicare Part D claims per year.
What drugs does STACY BAUM, P.A. prescribe most often?
Based on 2023 Medicare Part D data, STACY BAUM, P.A.'s most frequently prescribed drugs include Atorvastatin Calcium, Losartan Potassium, Levothyroxine Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does STACY BAUM, P.A. accept Medicare?
STACY BAUM, P.A. appears in CMS Medicare data with 3,886 Part D claims and 640 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify STACY BAUM, P.A.'s credentials?
STACY BAUM, P.A.'s NPI is 1386899458 with credentials P.A.. 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