DR. DANIEL MARTIN HARWELL M.D.
NPI 1679890701
Neurological Surgery in Tulsa, OK

Q: What is Daniel Harwell's NPI number?

The NPI number for Daniel Harwell is 1679890701. It was assigned to this individual provider in the NPPES registry on April 29, 2010.

Q: What is Daniel Harwell's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Harwell was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.

Active since April 29, 2010PECOS EnrolledAccepts Medicare Assignment

6802 S OLYMPIA AVE, SUITE #300, TULSA, OK 74132(918) 749-0762(918) 744-4246 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2020, Jun 13, 2016 (2 updates tracked since 2016).

On this page

About Dr. Daniel Martin Harwell M.d. NPPES

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

DR. DANIEL MARTIN HARWELL M.D. (NPI 1679890701) is an individual neurological surgery provider in Tulsa, Oklahoma, licensed in Oklahoma (32880) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of University Of Michigan Medical School (2017).

NPPES Registry Identity

NPI1679890701

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameDR. DANIEL MARTIN HARWELLCredential: M.D.

Location Address6802 S OLYMPIA AVE, SUITE #300Tulsa, OK 74132-1826

Mailing Address6802 S Olympia Ave, Suite #300Tulsa, OK 74132-1826 · (918) 749-0762 · Fax (918) 744-4246

Phone(918) 749-0762

Fax(918) 744-4246

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2017

Enumeration DateApril 29, 2010

Last NPPES UpdateOctober 7, 20202 updates tracked since enumeration

NPPES CertifiedOctober 7, 2020

✔ NPI 1679890701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

Licenses✔ Licensed in OK · 32880✔ Licensed in MI · 4301109314

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 0000000 (OH)

6802 S OLYMPIA AVE, Tulsa, OK 74132

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Other Identifiers 1

Medicaid200715920AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Daniel Martin Harwell M.d. 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 ID2365674876

PECOS Enrollment IDI20170616000660

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.

Medicare Billing Reassignment

Medicare enrollment records show Daniel Harwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oklahoma Spine And Brain Institute, LLP

Same address

Neurological Surgery

6802 S OLYMPIA AVE, STE300
Tulsa, OK 74132

Reassigned Medicare billing, Oklahoma enrollment
4 clinicians in this Medicare group

NPI 1588625339 (918) 749-0762

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 22

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.

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.

105 services79 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

72 services47 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

62 services55 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.

57 services46 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

55 services32 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

52 services51 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

29 services29 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

27 services19 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

24 services17 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

23 services19 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

23 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services21 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

21 services21 patients

Computer-assisted surgery for muscle and bone procedure 20985

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

20 services20 patients

Fusion of spine in lower back with partial removal of spine bone and disc 22633

This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.

15 services15 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

15 services15 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

15 services11 patients

Fusion of pelvic joint using imaging guidance 27279

This procedure involves joining or "fusing" the pelvic joint to alleviate pain or stabilize the area. It's performed under imaging guidance, which helps the doctor visualize the area and ensure precise placement of medical tools. This can improve recovery and outcome.

13 services11 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

12 services12 patients

Placement of stabilizing device to back of 1 spine bone in neck 22840

This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.

11 services11 patients

Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63052

This procedure involves the partial removal of a bone segment in your lower back to relieve pressure on your spinal cord or nerves. It's usually done during a spinal fusion in the lower back, which helps to stabilize your spine by joining two or more vertebrae together.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Integris Miami Hospital

Acute Care Hospitals · Miami, OK

OwnershipVoluntary non-profit - Other

CMS Certification Number370004

Location200 Second Avenue SouthwestMiami, OK 74355 · Ottawa County

Emergency services Birthing friendly

Ascension St John Jane Phillips

Acute Care Hospitals · Bartlesville, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370018

Location3500 East Frank Phillips BoulevardBartlesville, OK 74006 · Washington County

Emergency services Birthing friendly

Tulsa Spine & Specialty Hospital

Acute Care Hospitals · Tulsa, OK

OwnershipProprietary

CMS Certification Number370216

Location6901 South Olympia AvenueTulsa, OK 74132 · Tulsa County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74132 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Osteogenesis stimulator, electrical, non-invasive, spinal applications E0748

DME-Other DME · category DE000N

1 supplier20 claims20 services$3,600.18 avg. paid by Medicare

Cervical, collar, semi-rigid, thermoplastic foam, two piece with thoracic extension, prefabricated, off-the-shelf L0174

DME-Orthotic Devices · category DF000N

1 supplier11 claims11 services$199.45 avg. paid by Medicare

Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf L0650

DME-Orthotic Devices · category DF007N

2 suppliers17 claims17 services$644.71 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

OLYMPIA PHARMACY LLC

Pharmacy (Community/Retail Pharmacy)

6802 S OLYMPIA AVE, STE 125
TULSA, OK 74132

Tulsa County (918) 398-6279

OKAMEDEQ, LLC

Durable Medical Equipment & Medical Supplies

6802 S OLYMPIA AVE, SUITE 275
TULSA, OK 74132

Tulsa County (918) 398-6077

MICHAEL THAMBUSWAMY MD

Neurological Surgery

6802 S OLYMPIA AVE, SUITE #300
TULSA, OK 74132

Tulsa County (918) 749-0762

ROBERT E MITCHELL MD

Family Medicine

6802 S OLYMPIA AVE
TULSA, OK 74132

Tulsa County (918) 504-0364

AESTHETIC SURGERY OF TULSA, PLLC

Surgery (Plastic and Reconstructive Surgery)

6802 S OLYMPIA AVE, SUITE G113
TULSA, OK 74132

Tulsa County (918) 960-3033

DOUGLAS ISGRIGG CFA

Specialist

6802 S OLYMPIA AVE, STE 300
TULSA, OK 74132

Tulsa County (918) 749-0762

JEFFREY M CALAVA DO

Anesthesiology

6802 S OLYMPIA AVE, STE 250
TULSA, OK 74132

Tulsa County (918) 481-6494

EDB NURSING,PLC

Home Health

6802 S OLYMPIA AVE, 300
TULSA, OK 74132

Tulsa County (918) 513-1062

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 Daniel Harwell's NPI number?

The NPI number for Daniel Harwell is 1679890701. It was assigned to this individual provider in the NPPES registry on April 29, 2010.

Where is Daniel Harwell located?

Daniel Harwell practices at 6802 S Olympia Ave Suite #300, Tulsa, OK 74132. The listed phone number is (918) 749-0762.

What is Daniel Harwell's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Daniel Harwell enrolled in Medicare?

Yes. Daniel Harwell 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.

Which organization bills Medicare for Daniel Harwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Harwell reassigns Medicare benefits to Oklahoma Spine And Brain Institute, LLP (Tulsa, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Harwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Harwell accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Daniel Harwell 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 Daniel Harwell affiliated with any hospitals?

According to CMS data, Daniel Harwell is affiliated with Hillcrest Medical Center, Integris Miami Hospital, Ascension St John Jane Phillips and Tulsa Spine & Specialty Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Harwell was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.