DAFFANY WILLIAMS PMHNP-BC
NPI 1023990710
Nurse Practitioner - Psychiatric/Mental Health in Mound Bayou, MS

NPI Status: Active since July 23, 2025

Contact Information

702 MARTIN LUTHER KING ST
MOUND BAYOU, MS
ZIP 38762
Phone: (662) 741-8800

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  • Individual
  • Female
  • Years of Experience 1
  • Nurse Practitioner
  • Psychiatric/Mental Health
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About DAFFANY WILLIAMS

This page provides the complete NPI Profile along with additional information for Daffany Williams, a provider established in Mound Bayou, Mississippi with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health and more than one year of experience. She graduated from University Of Alabama School Of Medicine in 2025. The healthcare provider is registered in the NPI registry with number 1023990710 assigned on July 2025. The practitioner's primary taxonomy code is 363LP0808X with license number 907634 (MS). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1023990710
Provider Name
DAFFANY WILLIAMS PMHNP-BC
Gender
Female
Entity Type
Individual
Location Address
702 MARTIN LUTHER KING ST MOUND BAYOU, MS 38762
Location Phone
(662) 741-8800
Mailing Address
702 MARTIN LUTHER KING ST MOUND BAYOU, MS 38762
Mailing Phone
(662) 719-6868
Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduation Year
2025
Is Sole Proprietor?
No
Enumeration Date
07-23-2025
Last Update Date
07-29-2025
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A nurse practitioner (NP) like Daffany Williams is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
907634
License State
MS

Medicare Participation & PECOS Enrollment Status

Daffany Williams is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Daffany Williams is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9032615489

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20251003001672

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 38762 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $80.5
  • Minimum New Patient Price $51.65
  • Maximum New Patient Price $159.18
  • Average New Patient Copayment $20.12
  • Minimum New Patient Copayment $12.91
  • Maximum New Patient Copayment $39.79

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $92.2
  • Minimum Established Patient Price $16.15
  • Maximum Established Patient Price $129.61
  • Average Established Patient Copayment $23.05
  • Minimum Established Patient Copayment $4.03
  • Maximum Established Patient Copayment $32.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1023990710, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 9 → 18 → 9 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 1 + 8 + 9 + 0 + 7 + 2 + 24 = 60

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1023990710.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dentist
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Dentist
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Social Worker
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Nurse Practitioner (Family)
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Nurse Practitioner (Family)
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Chiropractor (Internist)
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Nurse Practitioner (Family)
702 MARTIN LUTHER KING ST, POB 900
MOUND BAYOU, MS 38762
Dietitian, Registered
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinical Exercise Physiologist
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Physical Medicine & Rehabilitation
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Clinic/Center (Federally Qualified Health Center (FQHC))
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Home Health
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762
Physical Therapy Assistant
702 MARTIN LUTHER KING ST
MOUND BAYOU, MS 38762

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023990710, enumerated as an "individual" on July 23, 2025.

The provider is located at 702 MARTIN LUTHER KING ST MOUND BAYOU, MS 38762 and the phone number is (662) 741-8800.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.