Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Daniel Glenn Constance, MD

Individual provider Internal Medicine Physician · NPI 1912110578

Dr. Daniel Glenn Constance, MD practises Internal Medicine in Lawton, Oklahoma. Qualified in 2003, 23 years ago. Practices with Comanche County Healthcare Corporation, a 125-clinician group and accepts Medicare assignment. Licensed in Michigan and Oklahoma.

Years since qualifying
23
Licensed in
MI, OK
In the registry since
2007
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5606 SW Lee Blvd Ste 203
Lawton, OK 73505 Not confirmed with CMS for 15 years — call before visiting
Phone: (580) 536-1111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 26711 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301082389 (MI)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 4301082389 (MI)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 26711 (OK)
Sports Medicine (Internal Medicine) Physician Taxonomy 207RS0010X · Licence 4301082389 (MI)
Sports Medicine (Internal Medicine) Physician Taxonomy 207RS0010X · Licence 26711 (OK)

Record details

NPI number1912110578
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2007
Last updated in NPPESAugust 26, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Comanche County Healthcare Corporation — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients357
Services billed 881 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $270 10 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Memorial Health Hospital · Lawton, OK

Colleagues at Comanche County Healthcare Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 125 clinicians in the practice; 12 are shown here.

Other providers in Lawton