WILLIAM LOCKWOOD MD
NPI 1861478299
Internal Medicine - Infectious Disease in Prescott, AZ

Active since December 18, 2005PECOS Enrolled
811 AINSWORTH DR STE 103, PRESCOTT, AZ 86301(928) 771-5550(928) 445-9209 Get Directions Write a Review

NPPES record last updated: December 19, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 19, 2022, Oct 10, 2018, Jul 25, 2017 and 1 more (4 updates tracked since 2017).

  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease
  • Accepts Insurance
  • PECOS Enrolled

About WILLIAM LOCKWOOD

This page provides the complete NPI Profile along with additional information for William Lockwood, an internist established in Prescott, Arizona with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1861478299 assigned on December 2005. The practitioner's primary taxonomy code is 207RI0200X with license number 53831 (AZ). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1861478299
Provider Name
WILLIAM LOCKWOOD MD
Gender
Male
Entity Type
Individual
Location Address
811 AINSWORTH DR STE 103 PRESCOTT, AZ 86301
Location Phone
(928) 771-5550
Location Fax
(928) 445-9209
Mailing Address
PO BOX 10880 PRESCOTT, AZ 86304
Mailing Phone
(928) 759-5987
Mailing Fax
(928) 458-2039
Is Sole Proprietor?
No
Enumeration Date
12-18-2005
Last Update Date
12-19-2022
Code Navigator

An internist like William Lockwood is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
53831
License State
AZ
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RI0200XAllopathic & Osteopathic Physicians

Internal Medicine
Infectious Disease

40316 (CO)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • AZ Blue ACA StandardHealth Silver with Health Choice - HMO
  • Imperial Preferred Gold - HMO
  • Imperial Preferred Silver - HMO
  • Imperial Standard Bronze - HMO
  • Imperial Standard Gold - HMO
  • Imperial Standard Silver - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
Z201654OTHER (01)AZMEDICARE PIN
53154231MEDICAID (05)CO 
259781MEDICAID (05)AZ 

Medicare Participation & PECOS Enrollment Status

William Lockwood 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: Durable Medical Equipment (DME) 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

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

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

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Unknown

  • Treatment-Injections and Infusions (nononcologic) (RI008N)

    Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (HCPCS:J1569)

    1 DME suppliers used 13 Medicare Claims 1300 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Services, supplies and accessories used in the home under the medicare intravenous immune globulin (ivig) demonstration (HCPCS:Q2052)

    1 DME suppliers used 13 Medicare Claims 13 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 139 times for 27 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 351 times for 143 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 76 times for 55 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 45 times for 23 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 58 times for 49 patients

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

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.

This service was performed 117 times for 107 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 55 times for 55 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 97 times for 58 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 68 times for 35 patients

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 86301 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $127.71
  • Minimum New Patient Price $55.44
  • Maximum New Patient Price $168.6
  • Average New Patient Copayment $31.92
  • Minimum New Patient Copayment $13.86
  • Maximum New Patient Copayment $42.15

Established Patients Visit Costs *

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

  • Average Established Patient Price $98
  • Minimum Established Patient Price $17.72
  • Maximum Established Patient Price $137.41
  • Average Established Patient Copayment $24.5
  • Minimum Established Patient Copayment $4.43
  • Maximum Established Patient Copayment $34.35

* 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 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 1861478299, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 6 → 12 → 3 4 → 8 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 8 + 7 + 1 + 6 + 2 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1861478299.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
811 AINSWORTH DR STE 103
PRESCOTT, AZ 86301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861478299, enumerated as an "individual" on December 18, 2005.

The provider is located at 811 AINSWORTH DR STE 103 PRESCOTT, AZ 86301 and the phone number is (928) 771-5550.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

The provider might be accepting Accepts: Blue Cross Blue Shield of Arizona, Imperial. Please consult your insurance carrier or call the provider to verify.