Henry Allen, D.O.
NPI 1154382299 · Specialist · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Allen, D.O. is a Specialist provider in Oklahoma City, OK (NPI 1154382299).
Provider details
- NPI number
- 1154382299
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2596 (OK)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
665 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 402 | $117 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 134 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 109 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $156 |
Typical Medicare-allowed amounts for these services range $13–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 348 | 90 |
| Levothyroxine Sodium | 260 | 73 |
| Lisinopril | 226 | 68 |
| Omeprazole | 161 | 42 |
| Simvastatin | 157 | 41 |
| Metformin Hcl | 145 | 45 |
| Amlodipine Besylate | 142 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-29
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Henry Allen's NPI number?
- Henry Allen's National Provider Identifier (NPI) is 1154382299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Allen's specialty?
- Henry Allen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Henry Allen located?
- Henry Allen's practice location on file with NPPES is 2200 Sw 59th St, Oklahoma City, OK 73119-7027.
- What is Henry Allen's phone number?
- The practice phone number listed in the NPPES registry for Henry Allen is (405) 682-0721.
- Does Henry Allen accept Medicare?
- Henry Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Allen's NPI active?
- Yes — Henry Allen's NPI (1154382299) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.