DR. ALAN BRUCE DOUGLASS M.D.
NPI 1811969991
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Diego, CA

NPI Status: Active since February 03, 2006

Contact Information

34800 BOB WILSON DR
SAN DIEGO, CA
ZIP 92134
Phone: (619) 532-7375
Fax: (619) 532-5472

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  • Individual
  • Male
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism
  • PECOS Enrolled

About ALAN DOUGLASS

This page provides the complete NPI Profile along with additional information for Alan Douglass, an internist established in San Diego, California with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1811969991 assigned on February 2006. The practitioner's primary taxonomy code is 207RE0101X with license number G75547 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1811969991
Provider Name
DR. ALAN BRUCE DOUGLASS M.D.
Gender
Male
Entity Type
Individual
Location Address
34800 BOB WILSON DR SAN DIEGO, CA 92134
Location Phone
(619) 532-7375
Location Fax
(619) 532-5472
Mailing Address
625 W. CITRACADO PARKWAY SUITE 108 ESCONDIDO, CA 92025
Mailing Phone
(760) 743-1431
Mailing Fax
(619) 532-5472
Is Sole Proprietor?
No
Enumeration Date
02-03-2006
Last Update Date
05-09-2025
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An internist like Alan Douglass 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.

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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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
G75547
License State
CA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Medicare Participation & PECOS Enrollment Status

Alan Douglass 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

  • 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

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.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Supplies for maintenance of insulin infusion catheter, per week (HCPCS:A4224)

    4 DME suppliers used 20 Medicare Claims 256 Services Paid

  • DME-Other DME (DE017N)

    Supplies for external insulin infusion pump, syringe type cartridge, sterile, each (HCPCS:A4225)

    5 DME suppliers used 21 Medicare Claims 700 Services Paid

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    28 DME suppliers used 82 Medicare Claims 290 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    9 DME suppliers used 17 Medicare Claims 35 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    10 DME suppliers used 310 Medicare Claims 317 Services Paid

Unknown

  • Treatment-Injections and Infusions (nononcologic) (RI000N)

    Insulin for administration through dme (i.e., insulin pump) per 50 units (HCPCS:J1817)

    4 DME suppliers used 11 Medicare Claims 1080 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.

Blood glucose (sugar) test performed by hand-held instrument

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

This service was performed 12 times for 12 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

This service was performed 17 times for 16 patients

Established patient office or other outpatient visit, 30-39 minutes

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 208 times for 195 patients

Ultrasound scan of head and neck soft tissue

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

This service was performed 37 times for 37 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 92134 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $140.22
  • Minimum New Patient Price $62.1
  • Maximum New Patient Price $184.71
  • Average New Patient Copayment $35.05
  • Minimum New Patient Copayment $15.52
  • Maximum New Patient Copayment $46.17

Established Patients Visit Costs *

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

  • Average Established Patient Price $108.42
  • Minimum Established Patient Price $20.62
  • Maximum Established Patient Price $151.42
  • Average Established Patient Copayment $27.1
  • Minimum Established Patient Copayment $5.15
  • Maximum Established Patient Copayment $37.85

* 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 1811969991, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 1 → 2 9 → 18 → 9 9 → 18 → 9 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 + 2 + 1 + 1 + 8 + 6 + 1 + 8 + 9 + 1 + 8 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1811969991.

Other Providers at the Same Location


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

Registered Nurse (Neonatal Intensive Care)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR, DEPARTMENT OF ANESTHESIOLOGY
SAN DIEGO, CA 92134
General Practice
34800 BOB WILSON DR, NAVAL MEDICAL CENTER SAN DIEGO
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Radiology (Diagnostic Radiology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Pediatrics
34800 BOB WILSON DR, NMCSD,ATTN:MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR, PHARMACY DEPARTMENT
SAN DIEGO, CA 92134
Pathology (Blood Banking & Transfusion Medicine)
34800 BOB WILSON DR, NAVAL MEDICAL CENTER
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Internal Medicine (Cardiovascular Disease)
34800 BOB WILSON DR, NMCSD, ATTN : MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Dentist (Dental Public Health)
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Obstetrics & Gynecology
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Nuclear Medicine (Nuclear Imaging & Therapy)
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Radiology (Diagnostic Radiology)
34800 BOB WILSON DR, DEPARTMENT OF RADIOLOGY
SAN DIEGO, CA 92134
Physical Therapist
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811969991, enumerated as an "individual" on February 03, 2006.

The provider is located at 34800 BOB WILSON DR SAN DIEGO, CA 92134 and the phone number is (619) 532-7375.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.