NPI registry status
Active
2026 NPPES data Family Medicine Physician NPI 1457385643 MD
Verify on CMS → David Zahaluk, MD
Family Medicine Physician in Long Beach, 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 147,640 in Family 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
991
Medicare Part D claims · 648 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
86%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
84.3/100
▲ 1 pts above national avg 83.1 · Above neutral
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
David Zahaluk, MD reported a CMS MIPS final score of 84.3/100 - above the 83.1 national average - and filed 991 Medicare Part D claims in 2023.
- 84.3/100
- MIPS score · +1 vs avg
- 991
- Part D claims, 2023
- 86%
- 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.
David Zahaluk, MD's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
84 45th percentile higher than 45% of 477,587 scored providers
Each bar is a band; taller bars hold more scored 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.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where David Zahaluk, MD sits
This provider among family medicine physician peers
Across the 22,040 family medicine physician providers who report both Medicare Part D prescribing and a MIPS quality score, David Zahaluk, MD writes more Part D claims than 34% of them and scores higher on MIPS quality than 44% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one family medicine physician peer from a representative sample of 60; the gold marker is David Zahaluk, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
David Zahaluk, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - 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 Zahaluk, MD?
Near national averagePrimary specialty
Family Medicine Physician
Medicare Part D claims
991 71% vs specialty avg
MIPS final score
84.3/100 1.2 pts vs avg
Specialty distribution in California
How Family Medicine Physician compares to other specialties among California providers
Medicare quality performance, MIPS
David Zahaluk, MD's 2023 MIPS final score plotted against the Family Medicine Physician national average
- MIPS Final Score
- 84.3/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Family Medicine Physician) - 84.3/100 vs national avg 83.1
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).
David Zahaluk, MD appears in the CMS NPPES registry as a Family Medicine Physician provider holding MD credentials at 2110 N BELLFLOWER BLVD, Long Beach, CA, 90815, with a listed phone of (562) 346-2222. NPI 1457385643 was issued on 07/11/2006.
Medicare Part D records for calendar year 2023 show 991 prescription claims written by this provider, covering 648 Medicare beneficiaries and totaling roughly $22K in drug spend, split 10% brand-name and 86% generic by claim count, with an opioid prescribing rate of 3.2%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 84.3/100 for the 2023 performance year (Quality 89, Cost 58.7), compared with the national average of 83.1.
Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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
Provider Details
| NPI | 1457385643 |
|---|---|
| Specialty | Family Medicine Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 07/11/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
84.3027
Final Score
Avg: 83.1
88.9562
Quality
58.7194
Cost
100
Promoting Interoperability
Reporting: Group practice
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 Zahaluk, MD. To verify David Zahaluk, 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 Zahaluk, MD - brand share 10.0%
Family Medicine Physician average
10% brand-name claims vs 86% generic, on 991 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.
991
Total Claims
$22K
Total Drug Cost
648
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 999
- Total Day Supply
- 9,936
- Brand vs Generic
- 10% brand / 86% generic
- Brand Drug Cost
- $11K
- Generic Drug Cost
- $10K
- Opioid Claims
- 32 (3.2% rate)
- Antibiotic Claims
- 422
Patient Demographics
- Average Patient Age
- 76.6 years
- Avg HCC Risk Score
- 1.16
- Gender Split
- 60% female / 40% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What David Zahaluk, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Prednisone
Prednisone
134 claims
- Amoxicillin
Amoxicillin
72 claims
- Doxycycline Hyclate
Doxycycline Hyclate
71 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
65 claims
- Sulfamethoxazole-T…
Sulfamethoxazole-Trimethoprim
60 claims
- Cefdinir 53
Cefdinir
53 claims
- Azithromycin 42
Azithromycin
42 claims
- Nitrofurantoin Mon… 42
Nitrofurantoin Mono-Macro
42 claims
| Drug | Claims |
|---|---|
| Prednisone | 134 |
| Amoxicillin | 72 |
| Doxycycline Hyclate | 71 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 65 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 60 |
| Cefdinir | 53 |
| Azithromycin | 42 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 42 |
| Paxlovid (Eua) Nirmatrelvir/Ritonavir | 27 |
| Celecoxib | 25 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Medicine Physician Overview
How David Zahaluk, MD fits within the Family Medicine Physician landscape nationally.
147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider
David Zahaluk, MD's 991 claims are below the specialty average of 3,418.
Nearby Family Medicine Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Zahaluk.
Dr. Omer Aba-Omer
MD
Santa Monica, CA
Dr. Michelle Ababa
MD
Wilmington, CA
Dr. Anna Tzeitel Abalos
MD
Roseville, CA
Dr. Adan Abarca
MD
Anaheim, CA
Dr. Lorraine Abate
M.D.
Sacramento, CA
Compare Family Medicine Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the California medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Medicine Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore California
Frequently Asked Questions
What is David Zahaluk, MD's specialty? ▼
David Zahaluk, MD specializes in Family Medicine Physician and practices in Long Beach, California. Credentials: MD.
How much does David Zahaluk, MD prescribe under Medicare Part D? ▼
In 2023, David Zahaluk, MD wrote 991 Medicare Part D claims totaling $22K in drug costs for 648 beneficiaries.
What is David Zahaluk, MD's Medicare quality score? ▼
David Zahaluk, MD has a CMS MIPS Final Score of 84.3/100 (Quality: 89, Cost: 58.7). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is David Zahaluk, MD located? ▼
David Zahaluk, MD is located at 2110 N BELLFLOWER BLVD, Long Beach, CA, 90815. Phone: (562) 346-2222.
What is David Zahaluk, MD's NPI number? ▼
David Zahaluk, MD's National Provider Identifier (NPI) is 1457385643, issued on 07/11/2006.
Does David Zahaluk, MD prescribe more brand-name or generic drugs? ▼
David Zahaluk, MD's prescribing is 10% brand-name and 86% generic drugs by claim count, with $11K in brand drug costs.
Does David Zahaluk, MD prescribe opioids? ▼
Yes, David Zahaluk, MD had 32 opioid claims in 2023 with an opioid prescribing rate of 3.2%.
How many Family Medicine Physician providers are there in the US? ▼
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does David Zahaluk, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, David Zahaluk, MD's most frequently prescribed drugs include Prednisone, Amoxicillin, Doxycycline Hyclate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does David Zahaluk, MD accept Medicare? ▼
David Zahaluk, MD appears in CMS Medicare data with 991 Part D claims and 648 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify David Zahaluk, MD's credentials? ▼
David Zahaluk, MD's NPI is 1457385643 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 (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
Compiled from official public sources by the PlainDoctor editorial team.