DAVID R KELL MD, PM&R
NPI 1265545834
Specialist/Technologist in San Francsico, CA

NPI Status: Active since August 16, 2006

Contact Information

900 HYDE STREET
CENTER FOR SPORTS MEDICINE
SAN FRANCSICO, CA
ZIP 94109
Phone: (415) 927-1900
Fax: (415) 491-4647

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  • Individual
  • Male
  • Specialist/Technologist
  • PECOS Enrolled
  • Opted-Out Medicare

About DAVID KELL

This page provides the complete NPI Profile along with additional information for David Kell, a provider established in San Francsico, California with a medical specialization in Specialist/technologist. The healthcare provider is registered in the NPI registry with number 1265545834 assigned on August 2006. The practitioner's primary taxonomy code is 225500000X with license number A048122 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1265545834
Provider Name
DAVID R KELL MD, PM&R
Gender
Male
Entity Type
Individual
Location Address
900 HYDE STREET CENTER FOR SPORTS MEDICINE SAN FRANCSICO, CA 94109
Location Phone
(415) 927-1900
Location Fax
(415) 491-4647
Mailing Address
PO BOX 831 TIBURON, CA 94920
Mailing Phone
(415) 491-1210
Mailing Fax
(415) 491-4647
Is Sole Proprietor?
No
Enumeration Date
08-16-2006
Last Update Date
09-11-2025
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. David Kell opted out of Medicare effective on 08-14-2017 until 08-14-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

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

Specialist/Technologist

Taxonomy Code
225500000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
A048122
License State
CA
Taxonomy Description
General classification identifying respiratory, developmental, rehabilitative or restorative services individuals who are trained on a specific piece of equipment or technical procedure.

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)
1171100000XOther Service Providers

Acupuncturist

A048122 (CA)

Medicare Participation & PECOS Enrollment Status

David Kell 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 08-14-2017

  • Opt-Out End Date: 08-14-2027

  • Eligible to Order and Refer? 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

Reviews for DAVID R KELL MD, PM&R

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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 1265545834, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 5 → 10 → 1 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 0 + 4 + 1 + 0 + 8 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1265545834.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Occupational Therapist
900 HYDE STREET, 3RD FLOOR
SAN FRANCISCO, CA 94109
Physician Assistant (Medical)
900 HYDE STREET, ROOM 410
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE STREET
SAN FRANCSICO, CA 94109
Emergency Medicine
900 HYDE STREET
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE STREET
SAN FRANCISCO, CA 94109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265545834, enumerated as an "individual" on August 16, 2006.

The provider is located at 900 HYDE STREET CENTER FOR SPORTS MEDICINE SAN FRANCSICO, CA 94109 and the phone number is (415) 927-1900.

Specialist/Technologist with taxonomy code 225500000X.