Dr James Mark Greenblatt, MD - Medicare Psychiatry & Neurology in Waltham, MA

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Dr James Mark Greenblatt, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Waltham, Massachusetts. His current practice location is 9 Hope Ave Ste 500, Walden Behavioral Care, Waltham, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 647-0066.

Dr James Mark Greenblatt is licensed to practice in Massachusetts (license number 70333) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1790817575.

Contact Information

Dr James Mark Greenblatt, MD
9 Hope Ave Ste 500, Walden Behavioral Care,
Waltham, MA 02453-2751
(781) 647-0066
(781) 899-4905

Map and Direction




Physician's Profile

Full NameDr James Mark Greenblatt
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location9 Hope Ave Ste 500, Waltham, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1790817575
  • Provider Enumeration Date: 03/09/2007
  • Last Update Date: 03/16/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 2860472511
  • Enrollment ID: I20040722000996

Medical Identifiers

Medical identifiers for Dr James Mark Greenblatt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790817575NPI-NPPES
70333OtherMALICENSE
RX2645OtherMAMEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 70333 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr James Mark Greenblatt allows following entities to bill medicare on his behalf.
Entity NameWalden Behavioral Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992778781
PECOS PAC ID: 0042121659
Enrollment ID: O20041001000593

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr James Mark Greenblatt is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr James Mark Greenblatt, MD
9 Hope Ave, Ste 500,
Waltham, MA 02453-2751

Ph: (781) 647-2901		Dr James Mark Greenblatt, MD
9 Hope Ave Ste 500, Walden Behavioral Care,
Waltham, MA 02453-2751

Ph: (781) 647-0066

Reviews and Comments


Psychiatry & Neurology Doctors in Waltham, MA

Dr. Gigi Girgis, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 20 Hope Ave, Suite 203, Waltham, MA 02453
Phone: 781-647-3550    Fax: 781-899-8845
Dr. Robert R Wolff, MD
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Practice Location: 9 Hope Ave, Waltham, MA 02453
Phone: 617-355-2063    
Shreyansh Shah, MD
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Practice Location: Wac-7-721-j, 15 Parkman Street, Massachusetts Genral Hospital, Waltham, MA 02453
Phone: 281-827-5041    
Pearl Alweny, NP
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 273 Ridge Ln Apt 308, Waltham, MA 02452
Phone: 857-316-8020    
Tanya Yanovsky, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 20 Hope Ave, Suite G05, Waltham, MA 02453
Phone: 781-893-8762    Fax: 781-899-6386
Brian J Freeman, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 890 Winter St, Ste.320, Waltham, MA 02451
Phone: 781-622-5334    
Dr. George Stanley Sigel, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 20 High St Ste 1, Waltham, MA 02453
Phone: 781-762-3987    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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