DR. NORMAN WARREN GROSS M.D.
NPI 1124065685
Internal Medicine in Seaside, CA

NPI Status: Active since June 01, 2006

Contact Information

3401 ENGINEER LN
SEASIDE, CA
ZIP 93955
Phone: (831) 883-3820
Fax: (831) 883-3829

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  • Individual
  • Male
  • Internal Medicine
  • PECOS Enrolled

About NORMAN GROSS

This page provides the complete NPI Profile along with additional information for Norman Gross, an internist established in Seaside, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1124065685 assigned on June 2006. The practitioner's primary taxonomy code is 207R00000X with license number G75920 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1124065685
Provider Name
DR. NORMAN WARREN GROSS M.D.
Gender
Male
Entity Type
Individual
Location Address
3401 ENGINEER LN SEASIDE, CA 93955
Location Phone
(831) 883-3820
Location Fax
(831) 883-3829
Mailing Address
3401 ENGINEER LN SEASIDE, CA 93955
Mailing Phone
(831) 883-3820
Mailing Fax
(831) 883-3829
Is Sole Proprietor?
Yes
Enumeration Date
06-01-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Norman Gross 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
G75920
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1207RH0000XAllopathic & Osteopathic Physicians

Internal Medicine
Hematology

G75920 (CA)

Medicare Participation & PECOS Enrollment Status

Norman Gross 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

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 93955 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $139.84
  • Minimum New Patient Price $61.69
  • Maximum New Patient Price $184.3
  • Average New Patient Copayment $34.96
  • Minimum New Patient Copayment $15.42
  • Maximum New Patient Copayment $46.07

Established Patients Visit Costs *

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

  • Average Established Patient Price $108.04
  • Minimum Established Patient Price $20.34
  • Maximum Established Patient Price $151.02
  • Average Established Patient Copayment $27.01
  • Minimum Established Patient Copayment $5.08
  • Maximum Established Patient Copayment $37.75

* 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 1124065685, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 0 → 0 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 0 + 6 + 1 + 0 + 6 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1124065685.

Other Providers at the Same Location


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

Internal Medicine
3401 ENGINEER LN
SEASIDE, CA 93955
Family Medicine
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker (Clinical)
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker (Clinical)
3401 ENGINEER LN
SEASIDE, CA 93955
Psychiatry & Neurology (Psychiatry)
3401 ENGINEER LN
SEASIDE, CA 93955
Internal Medicine
3401 ENGINEER LN
SEASIDE, CA 93955
Physical Therapist
3401 ENGINEER LN, E199
SEASIDE, CA 93955
Internal Medicine
3401 ENGINEER LN
SEASIDE, CA 93955
Psychologist (Counseling)
3401 ENGINEER LN, 116B
SEASIDE, CA 93955
Internal Medicine (Gastroenterology)
3401 ENGINEER LN
SEASIDE, CA 93955
Internal Medicine
3401 ENGINEER LN
SEASIDE, CA 93955
Pharmacist
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker (Clinical)
3401 ENGINEER LN
SEASIDE, CA 93955
Pharmacist
3401 ENGINEER LN
SEASIDE, CA 93955
Surgery
3401 ENGINEER LN
SEASIDE, CA 93955
Counselor (Mental Health)
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker (Clinical)
3401 ENGINEER LN
SEASIDE, CA 93955
Psychiatry & Neurology (Psychiatry)
3401 ENGINEER LN
SEASIDE, CA 93955
Social Worker (Clinical)
3401 ENGINEER LN
SEASIDE, CA 93955

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124065685, enumerated as an "individual" on June 01, 2006.

The provider is located at 3401 ENGINEER LN SEASIDE, CA 93955 and the phone number is (831) 883-3820.

Internal Medicine with taxonomy code 207R00000X.