NPI registry status
Active
2026 NPPES data Orthopaedic Surgery Physician NPI 1265723266 M.D.
Verify on CMS → Alexander Choo, M.D.
Orthopaedic Surgery Physician in Danbury, Connecticut.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 25,775 in Orthopaedic Surgery 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
427
Medicare Part D claims · 163 beneficiaries · Orthopaedic Surgery Physician avg: 324
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
Alexander Choo, M.D. filed 427 Medicare Part D claims in 2023 as a Orthopaedic Surgery Physician in Danbury, Connecticut.
- 427
- Part D claims, 2023
- 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.
Alexander Choo, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
427 Top 38% higher than 62% of 1,370,886 prescribers
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)
Alexander Choo, M.D. 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 Alexander Choo, M.D.?
Quality data not reportedPrimary specialty
Orthopaedic Surgery Physician
Medicare Part D claims
427 32% vs specialty avg
Specialty distribution in Connecticut
How Orthopaedic Surgery Physician compares to other specialties among Connecticut 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 Orthopaedic Surgery 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).
Alexander Choo, M.D. appears in the CMS NPPES registry as a Orthopaedic Surgery Physician provider holding M.D. credentials at 33 HOSPITAL AVE, Danbury, CT, 06810, with a listed phone of (203) 792-5558. NPI 1265723266 was issued on 04/25/2011.
Medicare Part D records for calendar year 2023 show 427 prescription claims written by this provider, covering 163 Medicare beneficiaries and totaling roughly $4K in drug spend, with an opioid prescribing rate of 23.9%.
Orthopaedic Surgery Physician is a mid-sized specialty nationwide, with 25,775 enrolled providers across 56 states and an average of 324 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 | 1265723266 |
|---|---|
| Specialty | Orthopaedic Surgery Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 04/25/2011 |
Hospital and facility affiliations
Facilities where Alexander Choo, M.D. 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.
Kaiser Foundation Health Plan OF The Mid Atlantic States, Inc
Woodbridge, VA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
427
Total Claims
$4K
Total Drug Cost
163
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 449
- Total Day Supply
- 7,336
- Brand Drug Cost
- $0
- Generic Drug Cost
- $4K
- Opioid Claims
- 102 (23.9% rate)
Patient Demographics
- Average Patient Age
- 71.6 years
- Avg HCC Risk Score
- 0.93
- Gender Split
- 71% female / 29% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Alexander Choo, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Meloxicam
Meloxicam
127 claims
- Ibuprofen
Ibuprofen
101 claims
- Tramadol Hcl 49
Tramadol Hcl
49 claims
- Diclofenac Sodium 34
Diclofenac Sodium
34 claims
- Hydrocodone-Acetam… 23
Hydrocodone-Acetaminophen
23 claims
- Oxycodone Hcl 23
Oxycodone Hcl
23 claims
- Ondansetron Odt 15
Ondansetron Odt
15 claims
- Gabapentin 14
Gabapentin
14 claims
| Drug | Claims |
|---|---|
| Meloxicam | 127 |
| Ibuprofen | 101 |
| Tramadol Hcl | 49 |
| Diclofenac Sodium | 34 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 23 |
| Oxycodone Hcl | 23 |
| Ondansetron Odt Ondansetron | 15 |
| Gabapentin | 14 |
| Prednisone | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Orthopaedic Surgery Physician Overview
How Alexander Choo, M.D. fits within the Orthopaedic Surgery Physician landscape nationally.
25,775
Orthopaedic Surgery Physician Providers in US
56
States with Orthopaedic Surgery Physician
324
Avg Claims per Provider
Alexander Choo, M.D.'s 427 claims are above the specialty average of 324.
Nearby Orthopaedic Surgery Physician Providers in Connecticut
Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as Choo.
Dr. Christina Allen
MD
New Haven, CT
Dr. Kenneth Alleyne
MD
South Windsor, CT
Dr. Ammar Anbari
MD
North Franklin, CT
Dr. Nicole Arcand
MD
North Franklin, CT
Dr. Robert Arciero
MD
Farmington, CT
Compare Orthopaedic Surgery 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 Connecticut medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Orthopaedic Surgery 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.
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Frequently Asked Questions
What is Alexander Choo, M.D.'s specialty? ▼
Alexander Choo, M.D. specializes in Orthopaedic Surgery Physician and practices in Danbury, Connecticut. Credentials: M.D..
How much does Alexander Choo, M.D. prescribe under Medicare Part D? ▼
In 2023, Alexander Choo, M.D. wrote 427 Medicare Part D claims totaling $4K in drug costs for 163 beneficiaries.
Where is Alexander Choo, M.D. located? ▼
Alexander Choo, M.D. is located at 33 HOSPITAL AVE, Danbury, CT, 06810. Phone: (203) 792-5558.
What is Alexander Choo, M.D.'s NPI number? ▼
Alexander Choo, M.D.'s National Provider Identifier (NPI) is 1265723266, issued on 04/25/2011.
Does Alexander Choo, M.D. prescribe opioids? ▼
Yes, Alexander Choo, M.D. had 102 opioid claims in 2023 with an opioid prescribing rate of 23.9%.
How many Orthopaedic Surgery Physician providers are there in the US? ▼
There are 25,775 Orthopaedic Surgery Physician providers across 56 states in the US. The average Orthopaedic Surgery Physician provider writes 324 Medicare Part D claims per year.
What drugs does Alexander Choo, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Alexander Choo, M.D.'s most frequently prescribed drugs include Meloxicam, Ibuprofen, Tramadol Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Alexander Choo, M.D. accept Medicare? ▼
Alexander Choo, M.D. appears in CMS Medicare data with 427 Part D claims and 163 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Alexander Choo, M.D.'s credentials? ▼
Alexander Choo, M.D.'s NPI is 1265723266 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 (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
Compiled from official public sources by the PlainDoctor editorial team.