MARK A. GREENSTEIN MD
NPI 1881692721
Pediatrics - Developmental - Behavioral Pediatrics in Hartford, CT

NPI Status: Active since July 13, 2005

Contact Information

1000 ASYLUM AVE
SUITE 1025
HARTFORD, CT
ZIP 06105
Phone: (860) 714-5319
Fax: (860) 714-8054

Get Directions Write a Review

  • Individual
  • Male
  • Pediatrics
  • Developmental - Behavioral Pediatrics
  • PECOS Enrolled

About MARK GREENSTEIN

This page provides the complete NPI Profile along with additional information for Mark Greenstein, a pediatrician established in Hartford, Connecticut with a medical specialization in Pediatrics, focusing in developmental - behavioral pediatrics . The healthcare provider is registered in the NPI registry with number 1881692721 assigned on July 2005. The practitioner's primary taxonomy code is 2080P0006X with license number 025582 (CT). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1881692721
Provider Name
MARK A. GREENSTEIN MD
Gender
Male
Entity Type
Individual
Location Address
1000 ASYLUM AVE SUITE 1025 HARTFORD, CT 06105
Location Phone
(860) 714-5319
Location Fax
(860) 714-8054
Mailing Address
1000 ASYLUM AVE SUITE 2109A HARTFORD, CT 06105
Mailing Phone
(860) 714-6581
Mailing Fax
(860) 714-8054
Is Sole Proprietor?
No
Enumeration Date
07-13-2005
Last Update Date
11-29-2023
Code Navigator

A pediatrician like Mark Greenstein is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics Developmental - Behavioral Pediatrics

Taxonomy Code
2080P0006X
Type
Allopathic & Osteopathic Physicians
License No.
025582
License State
CT
Taxonomy Description
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.

Medicare Participation & PECOS Enrollment Status

Mark Greenstein 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

Reviews for MARK A. GREENSTEIN MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1881692721, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
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 8 → 16 → 7 6 → 12 → 3 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 2 + 9 + 4 + 7 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1881692721.

Other Providers at the Same Location


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

Internal Medicine (Rheumatology)
1000 ASYLUM AVE, STE 2112
HARTFORD, CT 06105
Pediatrics
1000 ASYLUM AVE, SUITE 1026
HARTFORD, CT 06105
Pediatrics
1000 ASYLUM AVE, SUITE 1026
HARTFORD, CT 06105
Obstetrics & Gynecology
1000 ASYLUM AVE, SUITE 2110
HARTFORD, CT 06105
Obstetrics & Gynecology
1000 ASYLUM AVE, SUITE 4319
HARTFORD, CT 06105
Physician Assistant
1000 ASYLUM AVE, SUITE 1004
HARTFORD, CT 06105
Advanced Practice Midwife
1000 ASYLUM AVE, SUITE 4301
HARTFORD, CT 06105
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1000 ASYLUM AVE, SUITE 3201A
HARTFORD, CT 06105
Physician Assistant (Surgical)
1000 ASYLUM AVE, STE 3215
HARTFORD, CT 06105
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1000 ASYLUM AVE, STE 3201A
HARTFORD, CT 06105
Nurse Practitioner (Family)
1000 ASYLUM AVE, SUITE 3208
HARTFORD, CT 06105
Dentist (General Practice)
1000 ASYLUM AVE, SUITE 3200
HARTFORD, CT 06105
Dentist (General Practice)
1000 ASYLUM AVE
HARTFORD, CT 06105
Internal Medicine (Cardiovascular Disease)
1000 ASYLUM AVE, SUITE 4300
HARTFORD, CT 06105
Internal Medicine (Cardiovascular Disease)
1000 ASYLUM AVE, SUITE 4300
HARTFORD, CT 06105
Internal Medicine (Cardiovascular Disease)
1000 ASYLUM AVE, SUITE 4300
HARTFORD, CT 06105
Surgery
1000 ASYLUM AVE, SUITE 2118
HARTFORD, CT 06105
Specialist
1000 ASYLUM AVE, SUITE 3208
HARTFORD, CT 06105
Physical Medicine & Rehabilitation
1000 ASYLUM AVE, GENGRAS 4302
HARTFORD, CT 06105
Surgery
1000 ASYLUM AVE, SUITE 2120
HARTFORD, CT 06105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881692721, enumerated as an "individual" on July 13, 2005.

The provider is located at 1000 ASYLUM AVE SUITE 1025 HARTFORD, CT 06105 and the phone number is (860) 714-5319.

Pediatrics with taxonomy code 2080P0006X and a focus in Developmental - Behavioral Pediatrics.