NPI registry status
Active
2026 NPPES data Obstetrics & Gynecology Physician NPI 1316987183 M.D.
Verify on CMS → Larry Houk, M.D.
Obstetrics & Gynecology Physician in Oklahoma City, Oklahoma.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 44,326 in Obstetrics & Gynecology 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
306
Medicare Part D claims · 84 beneficiaries · Obstetrics & Gynecology Physician avg: 179
Generic prescribing
94%
generic claims · 6% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
77.7/100
▼ 6 pts below national avg 83.5 · Above neutral
Industry payments
$18.33
1 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Larry Houk, M.D. reported a CMS MIPS final score of 77.7/100 - below the 83.5 national average - and filed 306 Medicare Part D claims in 2023.
- 77.7/100
- MIPS score · -6 vs avg
- 306
- Part D claims, 2023
- 94%
- 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.
Larry Houk, M.D.'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.
78 ≥ 20th percentile 20% 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 Larry Houk, M.D. sits
This provider among obstetrics & gynecology physician peers
Across the 7,360 obstetrics & gynecology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Larry Houk, M.D. writes more Part D claims than 85% of them and scores higher on MIPS quality than 21% - 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 obstetrics & gynecology physician peer from a representative sample of 60; the gold marker is Larry Houk, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Larry Houk, M.D. 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 Larry Houk, M.D.?
Below national averagePrimary specialty
Obstetrics & Gynecology Physician
Medicare Part D claims
306 71% vs specialty avg
MIPS final score
77.7/100 5.8 pts vs avg
Specialty distribution in Oklahoma
How Obstetrics & Gynecology Physician compares to other specialties among Oklahoma providers
Medicare quality performance, MIPS
Larry Houk, M.D.'s 2023 MIPS final score plotted against the Obstetrics & Gynecology Physician national average
- MIPS Final Score
- 77.7/100
- 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).
Larry Houk, M.D. appears in the CMS NPPES registry as an Obstetrics & Gynecology Physician provider holding M.D. credentials at 3435 NW 56TH ST STE 1010, Oklahoma City, OK, 73112, with a listed phone of (405) 945-5275. NPI 1316987183 was issued on 06/08/2006.
Medicare Part D records for calendar year 2023 show 306 prescription claims written by this provider, covering 84 Medicare beneficiaries and totaling roughly $13K in drug spend, split 6% brand-name and 94% generic by claim count, with an opioid prescribing rate of 6.2%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 77.7/100 for the 2023 performance year (Quality 82.5, Cost 43.1), compared with the 83.5 average among clinicians with a measured score.
Obstetrics & Gynecology Physician is a mid-sized specialty nationwide, with 44,326 enrolled providers across 56 states and an average of 179 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 | 1316987183 |
|---|---|
| Specialty | Obstetrics & Gynecology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 06/08/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
77.6983
Final Score
Measured-score avg: 83.5
82.5298
Quality
43.1313
Cost
100
Promoting Interoperability
Reporting: Group practice
Hospital and facility affiliations
Facilities where Larry Houk, 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.
Integris Ambulatory Care Corporation
Oklahoma City, OK
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 Larry Houk, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$18
Largest payer
Meditrina
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.
Brand vs generic prescribing mix · Generic-heavy
Larry Houk, M.D. - brand share 6.0%
Obstetrics & Gynecology Physician average
6% brand-name claims vs 94% generic, on 306 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.
306
Total Claims
$13K
Total Drug Cost
84
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 658
- Total Day Supply
- 18,040
- Brand vs Generic
- 6% brand / 94% generic
- Brand Drug Cost
- $4K
- Generic Drug Cost
- $9K
- Opioid Claims
- 19 (6.2% rate)
- Antibiotic Claims
- 13
Patient Demographics
- Average Patient Age
- 66.6 years
- Avg HCC Risk Score
- 1.27
- Gender Split
- 100% female / 0% male
- Age Distribution
- <65: 24, 65-74: 36, 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.
What Larry Houk, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Estradiol
Estradiol
110 claims
- Medroxyprogesteron… 24
Medroxyprogesterone Acetate
24 claims
- Oxycodone-Acetamin… 19
Oxycodone-Acetaminophen
19 claims
- Triamcinolone Acet… 19
Triamcinolone Acetonide
19 claims
- Ibuprofen 18
Ibuprofen
18 claims
- Valacyclovir 11
Valacyclovir
11 claims
| Drug | Claims |
|---|---|
| Estradiol | 110 |
| Medroxyprogesterone Acetate | 24 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 19 |
| Triamcinolone Acetonide | 19 |
| Ibuprofen | 18 |
| Valacyclovir Valacyclovir Hcl | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Obstetrics & Gynecology Physician Overview
How Larry Houk, M.D. fits within the Obstetrics & Gynecology Physician landscape nationally.
44,326
Obstetrics & Gynecology Physician Providers in US
56
States with Obstetrics & Gynecology Physician
179
Avg Claims per Provider
Larry Houk, M.D.'s 306 claims are above the specialty average of 179.
Nearby Obstetrics & Gynecology Physician Providers in Oklahoma
Other clinicians with the same primary specialty enrolled in Oklahoma, drawn from the same CMS NPPES roster as Houk.
Dr. Eddie Abbott
M.D.
Tulsa, OK
Dr. Kent Abernathy
D.O.
Tulsa, OK
Dr. April Abeyewardene
MD
Edmond, OK
Dr. Kinde Aguilar
MD
Lawton, OK
Dr. Morgan Aldridge
M.D.
Tulsa, OK
Compare Obstetrics & Gynecology 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 Oklahoma medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Obstetrics & Gynecology 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 Larry Houk, M.D.'s specialty? ▼
Larry Houk, M.D. specializes in Obstetrics & Gynecology Physician and practices in Oklahoma City, Oklahoma. Credentials: M.D..
How much does Larry Houk, M.D. prescribe under Medicare Part D? ▼
In 2023, Larry Houk, M.D. wrote 306 Medicare Part D claims totaling $13K in drug costs for 84 beneficiaries.
What is Larry Houk, M.D.'s Medicare quality score? ▼
Larry Houk, M.D. has a CMS MIPS Final Score of 77.7/100 (Quality: 82.5, Cost: 43.1). 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 Larry Houk, M.D. located? ▼
Larry Houk, M.D. is located at 3435 NW 56TH ST STE 1010, Oklahoma City, OK, 73112. Phone: (405) 945-5275.
What is Larry Houk, M.D.'s NPI number? ▼
Larry Houk, M.D.'s National Provider Identifier (NPI) is 1316987183, issued on 06/08/2006.
Does Larry Houk, M.D. prescribe more brand-name or generic drugs? ▼
Larry Houk, M.D.'s prescribing is 6% brand-name and 94% generic drugs by claim count, with $4K in brand drug costs.
Does Larry Houk, M.D. prescribe opioids? ▼
Yes, Larry Houk, M.D. had 19 opioid claims in 2023 with an opioid prescribing rate of 6.2%.
How many Obstetrics & Gynecology Physician providers are there in the US? ▼
There are 44,326 Obstetrics & Gynecology Physician providers across 56 states in the US. The average Obstetrics & Gynecology Physician provider writes 179 Medicare Part D claims per year.
What drugs does Larry Houk, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Larry Houk, M.D.'s most frequently prescribed drugs include Estradiol, Medroxyprogesterone Acetate, Oxycodone-Acetaminophen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Larry Houk, M.D. accept Medicare? ▼
Larry Houk, M.D. appears in CMS Medicare data with 306 Part D claims and 84 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Larry Houk, M.D.'s credentials? ▼
Larry Houk, M.D.'s NPI is 1316987183 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.
- 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
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 May 2026.