NPI registry status
Active
2026 NPPES data Oral and Maxillofacial Surgery (Dentist) NPI 1831277904 D.D.S.
Verify on CMS → Robert Chames, D.D.S.
Oral and Maxillofacial Surgery (Dentist) in Novi, Michigan.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 7,631 in Oral and Maxillofacial Surgery (Dentist), 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
274
Medicare Part D claims · 170 beneficiaries · Oral and Maxillofacial Surgery (Dentist) avg: 378
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
Robert Chames, D.D.S. filed 274 Medicare Part D claims in 2023 as a Oral and Maxillofacial Surgery (Dentist) in Novi, Michigan.
- 274
- Part D claims, 2023
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.
Robert Chames, D.D.S.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
274 49th percentile higher than 49% 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
What does the federal data show about Robert Chames, D.D.S.?
Quality data not reportedPrimary specialty
Oral and Maxillofacial Surgery (Dentist)
Medicare Part D claims
274 28% vs specialty avg
Specialty distribution in Michigan
How Oral and Maxillofacial Surgery (Dentist) compares to other specialties among Michigan 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 Oral and Maxillofacial Surgery (Dentist). 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).
Robert Chames, D.D.S. appears in the CMS NPPES registry as a Oral and Maxillofacial Surgery (Dentist) provider holding D.D.S. credentials at 39595 TEN MILE, Novi, MI, 48375, with a listed phone of (248) 476-0800. NPI 1831277904 was issued on 11/02/2006.
Medicare Part D records for calendar year 2023 show 274 prescription claims written by this provider, covering 170 Medicare beneficiaries and totaling roughly $1K in drug spend, with an opioid prescribing rate of 8.0%.
Oral and Maxillofacial Surgery (Dentist) is a mid-sized specialty nationwide, with 7,631 enrolled providers across 52 states and an average of 378 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 | 1831277904 |
|---|---|
| Specialty | Oral and Maxillofacial Surgery (Dentist) |
| Credentials | D.D.S. |
| Gender | Male |
| NPI Issued | 11/02/2006 |
Hospital and facility affiliations
Facilities where Robert Chames, D.D.S. 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.
Oakland Oral Surgery Associates
Novi, MI
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
License & disciplinary context - Michigan MI-BOM 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 ~41K Michigan medical licensees in 2023 - they are NOT specific to Robert Chames, D.D.S.. To verify Robert Chames, D.D.S.'s current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases
MI-BOM 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 Michigan disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
274
Total Claims
$1K
Total Drug Cost
170
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 287
- Total Day Supply
- 2,423
- Brand Drug Cost
- $0
- Generic Drug Cost
- $1K
- Opioid Claims
- 22 (8.0% rate)
- Antibiotic Claims
- 232
Patient Demographics
- Average Patient Age
- 74.9 years
- Avg HCC Risk Score
- 1.15
- Gender Split
- 58% female / 42% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Robert Chames, D.D.S. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Amoxicillin
Amoxicillin
165 claims
- Azithromycin 42
Azithromycin
42 claims
- Acetaminophen-Code… 11
Acetaminophen-Codeine
11 claims
- Hydrocodone-Acetam… 11
Hydrocodone-Acetaminophen
11 claims
| Drug | Claims |
|---|---|
| Amoxicillin | 165 |
| Azithromycin | 42 |
| Acetaminophen-Codeine Acetaminophen With Codeine | 11 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Oral and Maxillofacial Surgery (Dentist) in MI →
All providers in Michigan →
Compare specialties →
Oral and Maxillofacial Surgery (Dentist) Overview
How Robert Chames, D.D.S. fits within the Oral and Maxillofacial Surgery (Dentist) landscape nationally.
7,631
Oral and Maxillofacial Surgery (Dentist) Providers in US
52
States with Oral and Maxillofacial Surgery (Dentist)
378
Avg Claims per Provider
Robert Chames, D.D.S.'s 274 claims are below the specialty average of 378.
Nearby Oral and Maxillofacial Surgery (Dentist) Providers in Michigan
Other clinicians with the same primary specialty enrolled in Michigan, drawn from the same CMS NPPES roster as Chames.
Dr. Zaid Abu-Seir
DDS
Warren, MI
Dr. Andrew Afshar
DDS, MD
Midland, MI
Dr. Eyal Akerman
D.M.D, M.SC
Ann Arbor, MI
Dr. Ali Al-Sammak
DMD
Chesterfield, MI
Dr. Ihab Alamat
MD, DDS
Shelby Township, MI
Compare Oral and Maxillofacial Surgery (Dentist) 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 Michigan medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Oral and Maxillofacial Surgery (Dentist) 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 Robert Chames, D.D.S.'s specialty? ▼
Robert Chames, D.D.S. specializes in Oral and Maxillofacial Surgery (Dentist) and practices in Novi, Michigan. Credentials: D.D.S..
How much does Robert Chames, D.D.S. prescribe under Medicare Part D? ▼
In 2023, Robert Chames, D.D.S. wrote 274 Medicare Part D claims totaling $1K in drug costs for 170 beneficiaries.
Where is Robert Chames, D.D.S. located? ▼
Robert Chames, D.D.S. is located at 39595 TEN MILE, Novi, MI, 48375. Phone: (248) 476-0800.
What is Robert Chames, D.D.S.'s NPI number? ▼
Robert Chames, D.D.S.'s National Provider Identifier (NPI) is 1831277904, issued on 11/02/2006.
Does Robert Chames, D.D.S. prescribe opioids? ▼
Yes, Robert Chames, D.D.S. had 22 opioid claims in 2023 with an opioid prescribing rate of 8.0%.
How many Oral and Maxillofacial Surgery (Dentist) providers are there in the US? ▼
There are 7,631 Oral and Maxillofacial Surgery (Dentist) providers across 52 states in the US. The average Oral and Maxillofacial Surgery (Dentist) provider writes 378 Medicare Part D claims per year.
What drugs does Robert Chames, D.D.S. prescribe most often? ▼
Based on 2023 Medicare Part D data, Robert Chames, D.D.S.'s most frequently prescribed drugs include Amoxicillin, Azithromycin, Acetaminophen-Codeine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Robert Chames, D.D.S. accept Medicare? ▼
Robert Chames, D.D.S. appears in CMS Medicare data with 274 Part D claims and 170 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Robert Chames, D.D.S.'s credentials? ▼
Robert Chames, D.D.S.'s NPI is 1831277904 with credentials D.D.S.. 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.