DR. MARK STEVEN PERLSWEIG M.D.
NPI 1265460562
Psychiatry & Neurology - Psychiatry in Burlingame, CA

NPI Status: Active since June 28, 2006

Contact Information

1750 EL CAMINO REAL
SUITE 401
BURLINGAME, CA
ZIP 94010
Phone: (650) 692-2690
Fax: (650) 692-2054

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry
  • PECOS Enrolled

About MARK PERLSWEIG

This page provides the complete NPI Profile along with additional information for Mark Perlsweig, a provider established in Burlingame, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1265460562 assigned on June 2006. The practitioner's primary taxonomy code is 2084P0800X with license number G60996 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1265460562
Provider Name
DR. MARK STEVEN PERLSWEIG M.D.
Gender
Male
Entity Type
Individual
Location Address
1750 EL CAMINO REAL SUITE 401 BURLINGAME, CA 94010
Location Phone
(650) 692-2690
Location Fax
(650) 692-2054
Mailing Address
1750 EL CAMINO REAL SUITE 401 BURLINGAME, CA 94010
Mailing Phone
(650) 692-2690
Mailing Fax
(650) 692-2054
Is Sole Proprietor?
Yes
Enumeration Date
06-28-2006
Last Update Date
09-11-2025
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A psychiatrist like Mark Perlsweig are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
G60996
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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)
12084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

G60996 (CA)

Insurance Plans Accepted

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

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
00G609960MEDICAID (05)CA 

Medicare Participation & PECOS Enrollment Status

Mark Perlsweig 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 94010 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $202.35
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $50.58
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

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

  • Average Established Patient Price $84.91
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $21.22
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* 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 1265460562, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

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 + 8 + 6 + 0 + 5 + 1 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1265460562.

Other Providers at the Same Location


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

Dermatology
1750 EL CAMINO REAL, STE 206
BURLINGAME, CA 94010
Dermatology
1750 EL CAMINO REAL, STE 206
BURLINGAME, CA 94010
Plastic Surgery
1750 EL CAMINO REAL, #405
BURLINGAME, CA 94010
Ophthalmology
1750 EL CAMINO REAL, SUITE 103
BURLINGAME, CA 94010
Urology
1750 EL CAMINO REAL, 307
BURLINGAME, CA 94010
Specialist
1750 EL CAMINO REAL, SUITE 11
BURLINGAME, CA 94010
Family Medicine
1750 EL CAMINO REAL, SUITE 15
BURLINGAME, CA 94010
Ophthalmology
1750 EL CAMINO REAL, SUIET 103
BURLINGAME, CA 94010
Optometrist
1750 EL CAMINO REAL, SUITE 103
BURLINGAME, CA 94010
Dermatology
1750 EL CAMINO REAL, SUITE NUMBER 206
BURLINGAME, CA 94010
Dentist
1750 EL CAMINO REAL, SUITE 302
BURLINGAME, CA 94010
Specialist
1750 EL CAMINO REAL, SUITE 307
BURLINGAME, CA 94010
Internal Medicine (Pulmonary Disease)
1750 EL CAMINO REAL, SUITE 301
BURLINGAME, CA 94010
Internal Medicine
1750 EL CAMINO REAL, SUITE 301
BURLINGAME, CA 94010
Clinic/Center (Ambulatory Surgical)
1750 EL CAMINO REAL
BURLINGAME, CA 94010
Internal Medicine (Nephrology)
1750 EL CAMINO REAL, 15
BURLINGAME, CA 94010
Specialist
1750 EL CAMINO REAL, SUITE 11
BURLINGAME, CA 94010
Dermatology
1750 EL CAMINO REAL, STE 206
BURLINGAME, CA 94010
Podiatrist (Foot Surgery)
1750 EL CAMINO REAL, SUITE 105
BURLINGAME, CA 94010
Podiatrist (Foot & Ankle Surgery)
1750 EL CAMINO REAL, SUITE 105
BURLINGAME, CA 94010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265460562, enumerated as an "individual" on June 28, 2006.

The provider is located at 1750 EL CAMINO REAL SUITE 401 BURLINGAME, CA 94010 and the phone number is (650) 692-2690.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.