NPI registry status
Active
2026 NPPES data Oral and Maxillofacial Surgery (Dentist) NPI 1255386140 DDS MD
Verify on CMS → Michael Gissell, DDS MD
Oral and Maxillofacial Surgery (Dentist) in San Antonio, Texas.
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
33
Medicare Part D claims · 18 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
Michael Gissell, DDS MD filed 33 Medicare Part D claims in 2023 as a Oral and Maxillofacial Surgery (Dentist) in San Antonio, Texas.
- 33
- 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.
Michael Gissell, DDS MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
33 0th percentile higher than 0% 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 Michael Gissell, DDS MD?
Quality data not reportedPrimary specialty
Oral and Maxillofacial Surgery (Dentist)
Medicare Part D claims
33 91% vs specialty avg
Specialty distribution in Texas
How Oral and Maxillofacial Surgery (Dentist) compares to other specialties among Texas 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).
Michael Gissell, DDS MD appears in the CMS NPPES registry as a Oral and Maxillofacial Surgery (Dentist) provider holding DDS MD credentials at 6501 BLANCO RD, San Antonio, TX, 78216, with a listed phone of (210) 341-7264. NPI 1255386140 was issued on 05/23/2006.
Medicare Part D records for calendar year 2023 show 33 prescription claims written by this provider, covering 18 Medicare beneficiaries and totaling roughly $213 in drug spend, with an opioid prescribing rate of 39.4%.
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 | 1255386140 |
|---|---|
| Specialty | Oral and Maxillofacial Surgery (Dentist) |
| Credentials | DDS MD |
| Gender | Male |
| NPI Issued | 05/23/2006 |
License & disciplinary context - Texas TMB 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 ~77K Texas medical licensees in 2023 - they are NOT specific to Michael Gissell, DDS MD. To verify Michael Gissell, DDS MD's current license status, search the TMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
344
Total board actions, Texas 2023
Across 334 cases
4.47
Actions per 1,000 licensees
Texas statewide rate
probation
Most common action type
94 cases
TMB 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 Texas 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.
33
Total Claims
$213
Total Drug Cost
18
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 33
- Total Day Supply
- 210
- Brand Drug Cost
- $0
- Generic Drug Cost
- $213
- Opioid Claims
- 13 (39.4% rate)
- Antibiotic Claims
- 16
Patient Demographics
- Average Patient Age
- 75.7 years
- Avg HCC Risk Score
- 1.45
- Age Distribution
- <65: 0, 65-74: N/A, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Amoxicillin | 11 |
| Tramadol Hcl | 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 TX →
All providers in Texas →
Compare specialties →
Oral and Maxillofacial Surgery (Dentist) Overview
How Michael Gissell, DDS MD 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
Michael Gissell, DDS MD's 33 claims are below the specialty average of 378.
Nearby Oral and Maxillofacial Surgery (Dentist) Providers in Texas
Other clinicians with the same primary specialty enrolled in Texas, drawn from the same CMS NPPES roster as Gissell.
Mahyar Abbariki
Dallas, TX
Dr. Omar Abdelbaky
DDS, MD
Keller, TX
Dr. Barima Adjei
D.M.D
Fort Hood, TX
Dr. Mohammed Al-Obaidi
DMD, MD
Dallas, TX
Dr. Steven Albright
D.D.S
San Antonio, TX
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 Texas 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.
Healthcare Guides
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Medical Specialties Explained
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Understanding Medicare Claims Data
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Frequently Asked Questions
What is Michael Gissell, DDS MD's specialty? ▼
Michael Gissell, DDS MD specializes in Oral and Maxillofacial Surgery (Dentist) and practices in San Antonio, Texas. Credentials: DDS MD.
How much does Michael Gissell, DDS MD prescribe under Medicare Part D? ▼
In 2023, Michael Gissell, DDS MD wrote 33 Medicare Part D claims totaling $213 in drug costs for 18 beneficiaries.
Where is Michael Gissell, DDS MD located? ▼
Michael Gissell, DDS MD is located at 6501 BLANCO RD, San Antonio, TX, 78216. Phone: (210) 341-7264.
What is Michael Gissell, DDS MD's NPI number? ▼
Michael Gissell, DDS MD's National Provider Identifier (NPI) is 1255386140, issued on 05/23/2006.
Does Michael Gissell, DDS MD prescribe opioids? ▼
Yes, Michael Gissell, DDS MD had 13 opioid claims in 2023 with an opioid prescribing rate of 39.4%.
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 Michael Gissell, DDS MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Michael Gissell, DDS MD's most frequently prescribed drugs include Amoxicillin, Tramadol Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Michael Gissell, DDS MD accept Medicare? ▼
Michael Gissell, DDS MD appears in CMS Medicare data with 33 Part D claims and 18 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Michael Gissell, DDS MD's credentials? ▼
Michael Gissell, DDS MD's NPI is 1255386140 with credentials DDS 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.
- 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.