Marsha Howerton Engles, MD
NPI 1790720456 · Obstetrics & Gynecology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marsha Howerton Engles, MD is a Obstetrics & Gynecology Physician provider in Tulsa, OK (NPI 1790720456).
Provider details
- NPI number
- 1790720456
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16121 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
217 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) |
|---|---|---|
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 77 | $18 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 53 | $36 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 47 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $80 |
Typical Medicare-allowed amounts for these services range $18–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 56 | 28 |
| Valacyclovir Hclbrand: Valacyclovir | 21 | — |
| Progesterone, Micronizedbrand: Progesterone | 19 | — |
| Buspirone Hcl | 15 | — |
| Montelukast Sodium | 13 | — |
| Alendronate Sodium | 12 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$290 across 7 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
- 2006-06-18
- Last updated
- 2025-02-28
- Certified
- 2025-02-28
Frequently asked questions
- What is Marsha Howerton Engles's NPI number?
- Marsha Howerton Engles's National Provider Identifier (NPI) is 1790720456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Howerton Engles's specialty?
- Marsha Howerton Engles is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Marsha Howerton Engles located?
- Marsha Howerton Engles's practice location on file with NPPES is 1919 S Wheeling Ave, Tulsa, OK 74104-5632.
- What is Marsha Howerton Engles's phone number?
- The practice phone number listed in the NPPES registry for Marsha Howerton Engles is (918) 794-0701.
- Does Marsha Howerton Engles accept Medicare?
- Marsha Howerton Engles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marsha Howerton Engles's NPI active?
- Yes — Marsha Howerton Engles's NPI (1790720456) is active in the NPPES registry as of the last update on 2025-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.