NPI registry status
Active
2026 NPPES data Psychiatry Physician NPI 1093840902 M.D.
Verify on CMS → William Fink, M.D.
Psychiatry Physician in Longmont, Colorado.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 54,383 in Psychiatry Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
1K
Medicare Part D claims · 87 beneficiaries · Psychiatry Physician avg: 1K
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$145.29
4 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
William Fink, M.D. filed 1,455 Medicare Part D claims in 2024 as a Psychiatry Physician in Longmont, Colorado, prescribing 90% generic.
- 1K
- Part D claims, 2024
- 90%
- generic prescribing
- $145.29
- industry payments (Sunshine Act)
- ≥80th
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about William Fink, M.D.
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1093840902), first enumerated 02/22/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,455 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Practices in an ABMS-board-eligible specialty; board certification not confirmed in federal records.
- Reported
Industry payment transparency
$145.29 in reported industry payments (4 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
Compare Fink with other Psychiatry Physician providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in Colorado
- Dr. Ari Aal, DO Boulder, CO
- Ellen Aal, PMHNP Boulder, CO
- Dr. Alec Aaronson, DO Aurora, CO
- Dr. Galia Abadi, M.D. Parker, CO
- Dr. Daniel Abrams, MD Aurora, CO
- Dr. William Acosta, MD Aurora, CO
Other specialties in Longmont: Mental Health Counselor (186) · Physical Therapist (147) · Massage Therapist (117) · Behavior Analyst (103)
CMS NPPES provider registry desk
NPI 1093840902 · Psychiatry Physician
NPI-10 · ENUM-MID · TAX-MEGA · RX-MID · BOOK-LIGHT · PHOTO-ENUM
- NPI-10 1093840902
- ENUM-MID 2007
- TAX-MEGA 54K Psychiatry Physician
- RX-MID 1,455
- BOOK-LIGHT 954 in Colorado
- PHOTO-ENUM Bruce Roth, DO · 2007
William Fink, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,455 ≥ 80th percentile 80% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
◑
Board-eligible specialty (heuristic, not verified)
William Fink, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about William Fink, M.D.?
Quality data not reportedPrimary specialty
Psychiatry Physician
Medicare Part D claims
1,455 44% vs specialty avg
Specialty distribution in Colorado
How Psychiatry Physician compares to other specialties among Colorado providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Psychiatry Physician. Verify directly:
How MIPS and board certification work
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).
Practice Address
Provider Details
| NPI | 1093840902 |
|---|---|
| Specialty | Psychiatry Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 02/22/2007 |
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 William Fink, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$145
Largest payer
Axsome Therapeutics, Inc.
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.
Brand vs generic prescribing mix · Typical
William Fink, M.D. - brand share 10.0%
Psychiatry Physician average
10% brand-name claims vs 90% generic, on 1,455 2024 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 2024.
1,455
Total Claims
$441K
Total Drug Cost
87
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 2,376.633
- Total Day Supply
- 70,576
- Brand vs Generic
- 10% brand / 90% generic
- Brand Drug Cost
- $409K
- Generic Drug Cost
- $32K
Patient Demographics
- Average Patient Age
- 70.1 years
- Avg HCC Risk Score
- 1.16
- Gender Split
- 64% female / 36% male
- Age Distribution
- <65: 13, 65-74: 44, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What William Fink, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Clonazepam
Clonazepam
118 claims
- Bupropion Xl
Bupropion Xl
110 claims
- Lamotrigine
Lamotrigine
106 claims
- Lorazepam
Lorazepam
92 claims
- Quetiapine Fumarate
Quetiapine Fumarate
76 claims
- Zolpidem Tartrate
Zolpidem Tartrate
56 claims
- Dextroamphetamine-…
Dextroamphetamine-Amphetamine
52 claims
- Vraylar
Vraylar
51 claims
| Drug | Claims |
|---|---|
| Clonazepam | 118 |
| Bupropion Xl Bupropion Hcl | 110 |
| Lamotrigine | 106 |
| Lorazepam | 92 |
| Quetiapine Fumarate | 76 |
| Zolpidem Tartrate | 56 |
| Dextroamphetamine-Amphetamine Dextroamphetamine/Amphetamine | 52 |
| Vraylar Cariprazine Hcl | 51 |
| Alprazolam | 46 |
| Mirtazapine | 42 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Psychiatry Physician Overview
How William Fink, M.D. fits within the Psychiatry Physician landscape nationally.
54,383
Psychiatry Physician Providers in US
56
States with Psychiatry Physician
1,010
Avg Claims per Provider
William Fink, M.D.'s 1,455 claims are above the specialty average of 1,010.
Nationwide Psychiatry Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Fink, both outside Colorado so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Psychiatry Physician Providers in Colorado
Other clinicians with the same primary specialty enrolled in Colorado, drawn from the same CMS NPPES roster as Fink.
One of 954 Psychiatry Physician providers enrolled in Colorado, 11 are shown on this page.
Dr. Frances Adachi
MD, MPH
Denver, CO
Alexis Adams
NP
Colorado Springs, CO
Dr. Matthew Adamson
MD, PHD
Denver, CO
Dr. Malia Addison
MD
Littleton, CO
Dr. Ahmad Adi
MD, MBBS
Aurora, CO
Compare Psychiatry Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is William Fink, M.D.'s specialty? ▼
William Fink, M.D. specializes in Psychiatry Physician and practices in Longmont, Colorado. Credentials: M.D..
How much does William Fink, M.D. prescribe under Medicare Part D? ▼
In 2024, William Fink, M.D. wrote 1,455 Medicare Part D claims totaling $441K in drug costs for 87 beneficiaries.
Where is William Fink, M.D. located? ▼
William Fink, M.D. is located at 1707 MAIN ST, Longmont, CO, 80501. Phone: (303) 776-9797.
What is William Fink, M.D.'s NPI number? ▼
William Fink, M.D.'s National Provider Identifier (NPI) is 1093840902, issued on 02/22/2007.
Does William Fink, M.D. prescribe more brand-name or generic drugs? ▼
William Fink, M.D.'s prescribing is 10% brand-name and 90% generic drugs by claim count, with $409K in brand drug costs.
How many Psychiatry Physician providers are there in the US? ▼
There are 54,383 Psychiatry Physician providers across 56 states in the US. The average Psychiatry Physician provider writes 1,010 Medicare Part D claims per year.
What drugs does William Fink, M.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, William Fink, M.D.'s most frequently prescribed drugs include Clonazepam, Bupropion Xl, Lamotrigine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does William Fink, M.D. accept Medicare? ▼
William Fink, M.D. appears in CMS Medicare data with 1,455 Part D claims and 87 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Fink, M.D.'s credentials? ▼
William Fink, M.D.'s NPI is 1093840902 with credentials M.D.. 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
View source datasets and methodology notes
- 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 (2024). 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 August 2026 (NPPES) / 2024 (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
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.