Quality Rating: 100 out of 100 score
NPI Status: Active since October 31, 2005
15 Parkman St
Boston,
Post Code: 02114
Phone: (617) 726-5600
Fax: (617) 726-7541
William Ellis Falk Md is a Psychiatry & Neurology, Psychiatry in Boston, . William Ellis Falk Md practices all healthcare services and medical treatments related to Psychiatry & Neurology, Psychiatry. The NPI Number for William Ellis Falk Md is 1003807918. The last update date is 2012-12-18.
William Ellis Falk Md's current location address is 15 Parkman St, Boston, . You can contact this provider via phone number (617) 726-5600 and fax number (617) 726-7541. The mailing address for William Ellis Falk Md is 15 Parkman St, Boston, . To know further, please read the information below!
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.
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) |
|---|---|---|---|---|
| 1 | 2084P0800X | Psychiatry Physician |
Psychiatry & Neurology, Psychiatry |
37722 (Massachusetts) |
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 |
|---|---|---|---|
| 037722 | Other (non-Medicare) (01) | Massachusetts (MA) | Tufts Health Plan |
| 2031574 | MEDICAID (05) | Massachusetts (MA) | |
| C26043 | Other (non-Medicare) (01) | Massachusetts (MA) | BCBS MA |
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The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 0 | 0 | 3 | 8 | 0 | 7 | 9 | 1 | 8 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 0 | 3 | 16 | 0 | 14 | 9 | 2 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 20031601492 | |||||||||
| 2 + 0 + 0 + 3 + 1 + 6 + 0 + 1 + 4 + 9 + 2 + 24 = 52 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 52 = 8 | 8 | ||||||||
The NPI number 1003807918 is valid because the calculated check digit 8 using the Luhn validation algorithm matches the last digit of the original NPI number.
The following 5 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1003807710 | RANDY L HIRSCHTICK Individual |
Psychiatry & Neurology, Psychiatry |
185 CAMBRIDGE ST, 2ND FLOOR BOSTON, Massachusetts (MA) 617-724-9602 |
| 1003807587 | DANIEL ALBERT GELLER Individual |
Pediatrics |
PO BOX 9142 CHARLESTOWN, Massachusetts (MA) 617-724-0287 |
| 1003807215 | DAVID M. GREER Individual |
Psychiatry & Neurology, Neurology |
725 ALBANY STREET BOSTON, Massachusetts (MA) 617-638-8456 |
| 1003807124 | STEVEN D. RAUCH Individual |
Otolaryngology, Otology & Neurotology |
243 CHARLES ST BOSTON, Massachusetts (MA) 617-523-7900 |
| 1003806902 | ADAM GREGORY WYCHOWSKI Individual |
Pediatrics |
3640 MAIN ST STE 207 SPRINGFIELD, Massachusetts (MA) 413-739-0669 |