NPI registry status
Active
2026 NPPES data Internal Medicine Physician NPI 1346252525 MD
Verify on CMS → David Olson, MD
Internal Medicine Physician in Oakdale, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 174,792 in Internal Medicine 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
5K
Medicare Part D claims · 352 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
83%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
81.1/100
▼ 2 pts below national avg 83.5 · Above neutral
Industry payments
$52.55
2 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
David Olson, MD reported a CMS MIPS final score of 81.1/100 - below the 83.5 national average - and filed 4,782 Medicare Part D claims in 2024.
- 81.1/100
- MIPS score · -2 vs avg
- 5K
- Part D claims, 2024
- 83%
- 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.
Federal trust snapshot
What official records show about David Olson, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1346252525), first enumerated 08/13/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 4,782 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 81.1/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$52.55 in reported industry payments (2 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- State context
State board disciplinary context
California statewide board action statistics are published annually — these figures describe aggregate state activity, not David Olson, MD's individual license status. Verify directly with the state medical board.
Source: MBC annual report 2023
- 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 Olson with other Internal Medicine Physician providers
Same primary specialty, same federal CMS NPPES roster.
All 7 Internal Medicine Physician providers in Oakdale, CA →
Also enrolled in California
- Dr. Jacob Aaron, MD San Francisco, CA
- Dr. Alistair Aaronson, MD Stanford, CA
- Dr. Jose Abad., MD Sacramento, CA
- Dr. Donna Abare, MD Oakland, CA
- Marce Abare Scotts Valley, CA
- Dr. Samuel Abarte, M.D. Chula Vista, CA
Other specialties in Oakdale: Pharmacist (28) · Behavior Technician (15) · Marriage & Family Therapist (15) · Family Nurse Practitioner (8)
CMS NPPES provider registry desk
NPI 1346252525 · Internal Medicine Physician
NPI-10 · ENUM-LEGACY · TAX-MEGA · MIPS-INLINE · RX-MID · BOOK-MID · PHOTO-FINISH
- NPI-10 1346252525
- ENUM-LEGACY 2006
- TAX-MEGA 175K Internal Medicine
- MIPS-INLINE 81.1/100
- RX-MID 4,782
- BOOK-MID 20,403 in California
- PHOTO-FINISH Jenna Nash · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Olson · this pro…
Olson · this provider
81.1 MIPS pts
- Conor Mulcahy, D…
Conor Mulcahy, D.O.
81.1 MIPS pts
- Jenna Nash · near
Jenna Nash
81.1 MIPS pts
- Jerry Gray, MD ·…
Jerry Gray, MD
81.1 MIPS pts
- Patrick Gray, MD…
Patrick Gray, MD
81.1 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
David Olson, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
81 ≥ 32nd percentile 32% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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 whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where David Olson, MD sits
This provider among internal medicine physician peers
Across the 34,612 internal medicine physician providers who report both Medicare Part D prescribing and a MIPS quality score, David Olson, MD writes more Part D claims than 80% of them and scores higher on MIPS quality than 32% - placing this provider in the high-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one internal medicine physician peer from a representative sample of 60; the gold marker is David Olson, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
David Olson, 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).
What does the federal data show about David Olson, MD?
Near national averagePrimary specialty
Internal Medicine Physician
Medicare Part D claims
4,782 72% vs specialty avg
MIPS final score
81.1/100 2.4 pts vs avg
Specialty distribution in California
How Internal Medicine Physician compares to other specialties among California providers
Medicare quality performance, MIPS
David Olson, MD's 2023 MIPS final score plotted against the Internal Medicine Physician national average
- MIPS Final Score
- 81.1/100
- vs 83.5 national avg · 2023 performance year
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 | 1346252525 |
|---|---|
| Specialty | Internal Medicine Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 08/13/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
81.105
Final Score
Measured-score avg: 83.5
75.13
Quality
47.72
Cost
77
Promoting Interoperability
Reporting: Individual
Hospital and facility affiliations
Facilities where David Olson, 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.
David A Olson MD A Professional Corporation
Oakdale, CA
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 David Olson, MD. Source: openpaymentsdata.cms.gov.
Total received
$53
Largest payer
Astellas Pharma US 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.
License & disciplinary context - California MBC 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 ~150K California medical licensees in 2023 - they are NOT specific to David Olson, MD. To verify David Olson, MD's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases
MBC 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 California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
David Olson, MD - brand share 16.0%
Internal Medicine Physician average
16% brand-name claims vs 83% generic, on 4,782 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.
4,782
Total Claims
$1.5M
Total Drug Cost
352
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 9,086.567
- Total Day Supply
- 263,812
- Brand vs Generic
- 16% brand / 83% generic
- Brand Drug Cost
- $1.4M
- Generic Drug Cost
- $115K
- Opioid Claims
- 407 (8.5% rate)
- Antibiotic Claims
- 263
Patient Demographics
- Average Patient Age
- 73.6 years
- Avg HCC Risk Score
- 1.65
- Gender Split
- 51% female / 49% male
- Age Distribution
- <65: 51, 65-74: 142, 75-84: 103, 85+: 56
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What David Olson, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
241 claims
- Atorvastatin Calcium
Atorvastatin Calcium
229 claims
- Gabapentin
Gabapentin
119 claims
- Lisinopril
Lisinopril
119 claims
- Losartan Potassium
Losartan Potassium
108 claims
- Amlodipine Besylate
Amlodipine Besylate
106 claims
- Levothyroxine Sodium
Levothyroxine Sodium
104 claims
- Tamsulosin Hcl
Tamsulosin Hcl
104 claims
| Drug | Claims |
|---|---|
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 241 |
| Atorvastatin Calcium | 229 |
| Gabapentin | 119 |
| Lisinopril | 119 |
| Losartan Potassium | 108 |
| Amlodipine Besylate | 106 |
| Levothyroxine Sodium | 104 |
| Tamsulosin Hcl | 104 |
| Tivicay Dolutegravir Sodium | 88 |
| Alprazolam | 87 |
* 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 David Olson, MD fits within the Internal Medicine Physician landscape nationally.
174,792
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,785
Avg Claims per Provider
David Olson, MD's 4,782 claims are above the specialty average of 2,785.
Nationwide Internal Medicine Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Olson, both outside California so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (81.1 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Internal Medicine Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Olson.
One of 20,403 Internal Medicine Physician providers enrolled in California, 11 are shown on this page.
Dr. Alexander Abary
MD
Long Beach, CA
Dr. Luba Abascal
MD
San Francisco, CA
Dr. Michael Abate
MD
Sacramento, CA
Dr. Wali Abawi
D.O.
Joshua Tree, CA
Hazel Abaya
Thousand Oaks, CA
Compare Internal Medicine Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is David Olson, MD's specialty? ▼
David Olson, MD specializes in Internal Medicine Physician and practices in Oakdale, California. Credentials: MD.
How much does David Olson, MD prescribe under Medicare Part D? ▼
In 2024, David Olson, MD wrote 4,782 Medicare Part D claims totaling $1.5M in drug costs for 352 beneficiaries.
What is David Olson, MD's Medicare quality score? ▼
David Olson, MD has a CMS MIPS Final Score of 81.1/100 (Quality: 75.1, Cost: 47.7). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is David Olson, MD located? ▼
David Olson, MD is located at 232 W F ST, Oakdale, CA, 95361. Phone: (209) 848-2273.
What is David Olson, MD's NPI number? ▼
David Olson, MD's National Provider Identifier (NPI) is 1346252525, issued on 08/13/2006.
Does David Olson, MD prescribe more brand-name or generic drugs? ▼
David Olson, MD's prescribing is 16% brand-name and 83% generic drugs by claim count, with $1.4M in brand drug costs.
Does David Olson, MD prescribe opioids? ▼
Yes, David Olson, MD had 407 opioid claims in 2024 with an opioid prescribing rate of 8.5%.
How many Internal Medicine Physician providers are there in the US? ▼
There are 174,792 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,785 Medicare Part D claims per year.
What drugs does David Olson, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, David Olson, MD's most frequently prescribed drugs include Hydrocodone-Acetaminophen, Atorvastatin Calcium, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does David Olson, MD accept Medicare? ▼
David Olson, MD appears in CMS Medicare data with 4,782 Part D claims and 352 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify David Olson, MD's credentials? ▼
David Olson, MD's NPI is 1346252525 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
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.
- 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 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.