DR. SPENCER GARY HORNSTEIN D.D.S.
NPI 1679635494
Dentist - General Practice in Bethesda, MD

NPI Status: Active since December 15, 2006

Contact Information

10401 OLD GEORGETOWN RD
SUITE 204
BETHESDA, MD
ZIP 20814
Phone: (301) 530-2700
Fax: (301) 530-2953

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  • Individual
  • Male
  • Dentist
  • General Practice
  • PECOS Enrolled
  • Opted-Out Medicare

About SPENCER HORNSTEIN

This page provides the complete NPI Profile along with additional information for Spencer Hornstein, a provider established in Bethesda, Maryland with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1679635494 assigned on December 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 09014 (MD). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1679635494
Provider Name
DR. SPENCER GARY HORNSTEIN D.D.S.
Gender
Male
Entity Type
Individual
Location Address
10401 OLD GEORGETOWN RD SUITE 204 BETHESDA, MD 20814
Location Phone
(301) 530-2700
Location Fax
(301) 530-2953
Mailing Address
10401 OLD GEORGETOWN RD SUITE 204 BETHESDA, MD 20814
Mailing Phone
(301) 530-2700
Mailing Fax
(301) 530-2953
Is Sole Proprietor?
Yes
Enumeration Date
12-15-2006
Last Update Date
04-27-2011
Code Navigator

A dentist like Spencer Hornstein is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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. Spencer Hornstein opted out of Medicare effective on 10-20-2015 until 10-20-2027. 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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
09014
License State
MD
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Medicare Participation & PECOS Enrollment Status

Spencer Hornstein 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) and a Home Health Agency (HHA).

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: 10-20-2015

  • Opt-Out End Date: 10-20-2027

  • 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: No

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 20814 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $100.31
  • Minimum New Patient Price $65.18
  • Maximum New Patient Price $194.86
  • Average New Patient Copayment $25.07
  • Minimum New Patient Copayment $16.29
  • Maximum New Patient Copayment $48.71

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $80.66
  • Minimum Established Patient Price $21.4
  • Maximum Established Patient Price $158.88
  • Average Established Patient Copayment $20.16
  • Minimum Established Patient Copayment $5.35
  • Maximum Established Patient Copayment $39.72

* 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.

Reviews for DR. SPENCER GARY HORNSTEIN D.D.S.

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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 1679635494, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 7 → 14 → 5 6 → 12 → 3 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 2 + 3 + 1 + 0 + 4 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1679635494.

Other Providers at the Same Location


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

Internal Medicine (Rheumatology)
10401 OLD GEORGETOWN RD, STE 305
BETHESDA, MD 20814
Dentist
10401 OLD GEORGETOWN RD, #106
BETHESDA, MD 20814
Internal Medicine
10401 OLD GEORGETOWN RD, SUITE 104
BETHESDA, MD 20814
Internal Medicine
10401 OLD GEORGETOWN RD, SUITE 104
BETHESDA, MD 20814
Medical Genetics (Clinical Genetics (M.D.))
10401 OLD GEORGETOWN RD, SUITE 307
BETHESDA, MD 20814
Dentist (Endodontics)
10401 OLD GEORGETOWN RD, SUITE 405
BETHESDA, MD 20814
Allergy & Immunology
10401 OLD GEORGETOWN RD, SUITE #407
BETHESDA, MD 20814
Chiropractor
10401 OLD GEORGETOWN RD, ANDRES GALEGO CHIROPRACTIC PC
BETHESDA, MD 20814
Psychologist (Clinical)
10401 OLD GEORGETOWN RD, SUITE 208
BETHESDA, MD 20814
Psychiatry & Neurology (Psychiatry)
10401 OLD GEORGETOWN RD, 208
BETHESDA, MD 20814
Dentist (General Practice)
10401 OLD GEORGETOWN RD, 210
BETHESDA, MD 20814
Internal Medicine
10401 OLD GEORGETOWN RD, SUITE 104
BETHESDA, MD 20814
Internal Medicine (Rheumatology)
10401 OLD GEORGETOWN RD, SUITE #305
BETHESDA, MD 20814
Clinical Neuropsychologist
10401 OLD GEORGETOWN RD, SUITE208
BETHESDA, MD 20814
Dentist (General Practice)
10401 OLD GEORGETOWN RD, SUITE #310
BETHESDA, MD 20814
Dentist (Orthodontics and Dentofacial Orthopedics)
10401 OLD GEORGETOWN RD, SUITE 303
BETHESDA, MD 20814
Dentist (Pediatric Dentistry)
10401 OLD GEORGETOWN RD, #403
BETHESDA, MD 20814
Allergy & Immunology
10401 OLD GEORGETOWN RD, SUITE #407
BETHESDA, MD 20814
Psychiatry & Neurology (Child & Adolescent Psychiatry)
10401 OLD GEORGETOWN RD, SUITE #300
BETHESDA, MD 20814
Psychologist
10401 OLD GEORGETOWN RD, #208
BETHESDA, MD 20814

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679635494, enumerated as an "individual" on December 15, 2006.

The provider is located at 10401 OLD GEORGETOWN RD SUITE 204 BETHESDA, MD 20814 and the phone number is (301) 530-2700.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.