DR. MARSHA K HOWERTON ENGLES MD
NPI 1790720456
Obstetrics & Gynecology in Tulsa, OK

Active since June 18, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 37D2126551 · Microscopy
1919 S WHEELING AVE, STE 300, TULSA, OK 74104(918) 794-0701(918) 794-0709 Get Directions Write a Review

NPPES record last updated: February 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 28, 2025, Feb 14, 2018, Jun 15, 2016 (3 updates tracked since 2016).

About Dr. Marsha K Howerton Engles Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARSHA K HOWERTON ENGLES MD (NPI 1790720456) is an individual obstetrics & gynecology provider in Tulsa, Oklahoma, licensed in Oklahoma (16121) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through February 28, 2027, and is affiliated with Hillcrest Medical Center.

NPPES Registry Identity

NPI1790720456
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARSHA K HOWERTON ENGLESCredential: MD
Location Address1919 S WHEELING AVE, STE 300Tulsa, OK 74104-5632
Mailing Address1919 S Wheeling Ave, Ste 300Tulsa, OK 74104-5632 · (918) 794-0701 · Fax (918) 794-0709
Fax(918) 794-0709
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateJune 18, 2006
Last NPPES UpdateFebruary 28, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 28, 2025
NPI 1790720456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in OK · 16121
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1919 S WHEELING AVE, Tulsa, OK 74104

Other Names 1

Other Name (5)Marsha K Howerton Md

Other Identifiers 1

Medicaid100113070AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Marsha K Howerton Engles Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537331392
PECOS Enrollment IDI20111020000638
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 37D2126551

Marsha K Howerton, MD PC · Tulsa, OK
Active · expires Feb 28, 2027
CLIA Number37D2126551
Laboratory TypePhysician Office
Certificate Effective DateMarch 1, 2025
Certificate Expiration DateFebruary 28, 2027
Laboratory DirectorMarsha K. Howerton
Laboratory Phone(918) 794-0701
Laboratory LocationMarsha K Howerton, MD PC1919 S Wheeling Ave Suite 300, Tulsa, OK 74104
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
77 services77 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
53 services53 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
47 services47 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
22 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services15 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hillcrest Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipProprietary
CMS Certification Number370001
Location1120 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Saint Francis Hospital, Inc

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370091
Location6161 South YaleTulsa, OK 74136 · Tulsa County
Emergency services Birthing friendly

Ascension St John Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370114
Location1923 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

St John Owasso

Acute Care Hospitals · Owasso, OK
OwnershipVoluntary non-profit - Private
CMS Certification Number370227
Location12451 East 100th Street NorthOwasso, OK 74055 · Tulsa County
Emergency services Birthing friendly

Ascension St John Broken Arrow

Acute Care Hospitals · Broken Arrow, OK
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370235
Location1000 West Boise CircleBroken Arrow, OK 74012 · Tulsa County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Sheila ***** September 18, 2024

5/5
Clean office, professional front office, appt in timely manner.Dr Howerton compassionate and caring.
Office Staff 5/5
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1919 S WHEELING AVE, SUITE 606
TULSA, OK 74104
Family Medicine
1919 S WHEELING AVE, LL 100
TULSA, OK 74104
Social Worker (Clinical)
1919 S WHEELING AVE, SUITE 204
TULSA, OK 74104
Surgery
1919 S WHEELING AVE, SUITE 600
TULSA, OK 74104
Pediatrics (Adolescent Medicine)
1919 S WHEELING AVE, SUITE 304
TULSA, OK 74104
Internal Medicine (Adolescent Medicine)
1919 S WHEELING AVE, 200
TULSA, OK 74104
Internal Medicine
1919 S WHEELING AVE, 402
TULSA, OK 74104
Specialist
1919 S WHEELING AVE, SUITE 300
TULSA, OK 74104

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marsha Howerton Engles's NPI number?

The NPI number for Marsha Howerton Engles is 1790720456. It was assigned to this individual provider in the NPPES registry on June 18, 2006. The provider is also known as Marsha K Howerton MD.

Where is Marsha Howerton Engles located?

Marsha Howerton Engles practices at 1919 S Wheeling Ave Ste 300, Tulsa, OK 74104. The listed phone number is (918) 794-0701.

What is Marsha Howerton Engles's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marsha Howerton Engles enrolled in Medicare?

Yes. Marsha Howerton Engles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Marsha Howerton Engles hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 37D2126551) is associated with this NPI, valid through February 28, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Marsha Howerton Engles accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica and Mending Health list Marsha Howerton Engles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marsha Howerton Engles affiliated with any hospitals?

According to CMS data, Marsha Howerton Engles is affiliated with Hillcrest Medical Center, Saint Francis Hospital, Inc, Ascension St John Medical Center, St John Owasso and Ascension St John Broken Arrow.

When was this NPI record last updated?

The NPPES record for Marsha Howerton Engles was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.