Blake Rainie Slack, CNM, WHNP
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 16
- Hospital affiliations
- 1
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Blake Slack's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Blake Rainie Slack is an advanced practice midwife in Boston, Massachusetts
Blake Slack practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Blake Slack's NPI, 1003055591, was assigned on February 7, 2009. Blake Slack holds Massachusetts license RN283129.
- NPI
- 1003055591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315097417
- NPI enumeration date
- February 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Blake Rainie Slack practices at Massachusetts General Hospital in Boston, Massachusetts
Blake Slack's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Blake Rainie Slack is affiliated with 2 sites of care and 2 medical groups
Blake Slack's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Blake Slack to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Blake Rainie Slack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Blake Slack practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Blake Rainie Slack is one of 307 advanced practice midwifes in Massachusetts
Advanced practice midwife is Blake Slack's primary specialty in the NPI Registry, under taxonomy code 367A00000X. Dmand AI has Blake Slack's licenses on file in 2 states: Massachusetts and Maryland.
Specialties and state licenses
- Advanced practice midwife, MassachusettsPrimary
- Midwife, Maryland
Advanced practice midwifes near Blake Slack
Counts of advanced practice midwifes with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Blake Rainie Slack treated 13 Medicare patients in 2024, average age 65
CMS counts 13 Medicare patients who saw Blake Slack in 2024. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Blake Slack's median patient age at 36, with 97% women.
Blake Slack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women97%
- Men3%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Blake Rainie Slack wrote 16 Medicare Part D claims in 2024
In 2024, Blake Slack wrote 16 Medicare Part D claims. 94% of them were for generic drugs.
Blake Slack's Part D claims by kind of drug, 2024
- Generic15 claims94%
- Brand-name and other1 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Blake Rainie Slack takes part in Medicare
Blake Slack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Blake Rainie Slack's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Blake Rainie Slack
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Blake Rainie Slack's NPI number?
Blake Rainie Slack's NPI number is 1003055591. It was assigned on February 7, 2009, and it is active in the NPI Registry.
What does Blake Rainie Slack specialize in?
Blake Rainie Slack is an advanced practice midwife in Boston, Massachusetts. The primary specialty in the NPI Registry is Advanced Practice Midwife (taxonomy code 367A00000X).
Where does Blake Rainie Slack practice?
Blake Slack practices at 55 Fruit Street, Boston, MA 02114. Blake Slack's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Blake Slack to 1 community health center and 1 medical group.
What is Blake Rainie Slack's office phone number?
The practice phone on file for Blake Slack is (617) 726-2000.
What is Blake Rainie Slack's medical license number?
Blake Slack holds Massachusetts license RN283129, one of the licenses on file in 2 states.
Which states has Blake Rainie Slack been licensed in?
Dmand AI has state licenses on file for Blake Slack in Massachusetts and Maryland.
Which hospitals is Blake Rainie Slack affiliated with?
Blake Slack practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Blake Rainie Slack part of?
Blake Slack is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Blake Slack to 1 more medical group.
Does Blake Rainie Slack accept Medicare?
Yes. CMS lists Blake Slack as accepting Medicare assignment.
How many Medicare patients does Blake Rainie Slack see?
CMS counts 13 Medicare patients who saw Blake Slack in 2024, with an average age of 65.
How long has Blake Rainie Slack been practicing?
Blake Slack graduated from medical school in 2008, 18 years ago.
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