Dr. Neal J. Naff, MD
- Medicare services, 2024
- 628
- Medicare patients, 2024
- 396
- Part D claims, 2016
- 71
- MIPS score, 2024
- 69
- Hospital affiliations
- 3
- Practice address
- 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209
- Practice phone
- Call (410) 377-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greenspring Surgery Center at Quarry Lake
Surgery Center - Medicare-Certified · Baltimore, Maryland
Find Dr. Naff'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.
Dr. Neal J. Naff is a neurosurgeon in Baltimore, Maryland
Dr. Naff practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland.
Dr. Naff's NPI, 1396712170, was assigned on March 1, 2006. Dr. Naff graduated from Johns Hopkins University School of Medicine in 1991. Dr. Naff holds Maryland license D0047743.
- NPI
- 1396712170NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002712999
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 377-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Neal J. Naff practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland
Dr. Naff's primary practice is Greenspring Surgery Center at Quarry Lake, at 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209. The practice phone is (410) 377-8900.
- Greenspring Surgery Center at Quarry Lake2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209Phone(410) 377-8900
Source: Dmand AI Affiliation Data
Dr. Neal J. Naff is affiliated with 7 sites of care and 3 medical groups
Dr. Naff's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. Dr. Naff is also affiliated with Sinai Hospital of Baltimore. The medical group on file is Agape Physical Therapy. Dmand AI also links Dr. Naff to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Neal J. Naff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Naff practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenspring Surgery Center at Quarry Lake | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neal J. Naff is one of 134 neurosurgeons in Maryland
Neurological surgery is Dr. Naff's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Naff is licensed in Maryland.
Specialties and state licenses
- Neurological surgery, MarylandPrimary
Neurosurgeons near Dr. Naff
Counts of neurosurgeons 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
Dr. Neal J. Naff billed Medicare for 628 services in 2024
CMS data shows 628 Medicare services from Dr. Naff across 10 procedure codes in 2024, for 396 Medicare patients. Medicare paid $113,117 for them.
Dr. Naff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5882024: 52810%
- Surgery
- 2023: 882024: 10014%
Where Dr. Naff's Medicare services took place, 2024
- In an office52884%
- In a facility10016%
Dr. Naff compared with the Maryland median for neurosurgeons, 2024
- Dr. Naff
- Maryland median
- Medicare services
- 628vs 2692.3 times
- Medicare patients
- 396vs 20395% above
- Part D claims
- 71vs 4654% above
Medians across 113 neurosurgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Naff's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Naff and other neurosurgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neal J. Naff treated 396 Medicare patients in 2024, average age 73
CMS counts 396 Medicare patients who saw Dr. Naff in 2024. The largest group is 65 to 74, with 180 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Naff's median patient age at 65, with 49% women.
Dr. Naff's Medicare patients by age, 2024
Dr. Naff's Medicare patients by sex, 2024
- Women23259%
- Men16441%
Chronic conditions among Dr. Naff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Mood disorders33%
- Diabetes32%
- Ischemic heart disease30%
- Depression29%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Naff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women49%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neal J. Naff wrote 71 Medicare Part D claims in 2016
In 2016, Dr. Naff wrote 71 Medicare Part D claims. They cover 5 drugs, with $4,194 in total drug cost.
Dr. Naff's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Neal J. Naff scored 69 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 69 out of 100 for Dr. Naff for performance year 2024, reported individually. Dr. Naff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 85 procedures of spinal fusion by Dr. Naff, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Naff's MIPS scores, performance year 2024
- 69of 100Final score
- 44.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Naff ranks in Medicare procedure volume
- Spinal fusion
- 69th percentile85 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 68th percentile38 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Neal J. Naff received $24,867 in industry payments from 2016 to 2025
CMS Open Payments shows 114 general payments to Dr. Naff from 27 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 50% of the total. Molnlycke Health Care US, LLC paid the most, $19,374.
General payments to Dr. Naff by program year, 2016 to 2025
General payments to Dr. Naff by kind, 2016 to 2025
- Consulting fees$12,50050%
- Travel and lodging$7,30129%
- Food and beverage$5,06620%
Companies that paid Dr. Naff the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neal J. Naff graduated from Johns Hopkins University School of Medicine
Dr. Naff graduated from Johns Hopkins University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neal J. Naff'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Neal J. Naff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Neal J. Naff's NPI number?
Dr. Neal J. Naff's NPI number is 1396712170. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Neal J. Naff?
Dr. Neal J. Naff is a neurosurgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Neal J. Naff practice?
Dr. Naff practices at 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209. Dr. Naff's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. Dmand AI also links Dr. Naff to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Neal J. Naff's office phone number?
The practice phone on file for Dr. Naff is (410) 377-8900.
What is Dr. Neal J. Naff's medical license number?
Dr. Naff holds Maryland license D0047743.
Which hospitals is Dr. Neal J. Naff affiliated with?
Dr. Naff is affiliated with Sinai Hospital of Baltimore. Dmand AI links Dr. Naff to 2 more hospitals.
What medical group is Dr. Neal J. Naff part of?
Dr. Naff is linked to Agape Physical Therapy. Dmand AI links Dr. Naff to 2 more medical groups.
Does Dr. Neal J. Naff accept Medicare?
Yes. CMS data shows Dr. Naff billed Medicare for 628 services in 2024, and Dr. Naff accepts Medicare assignment.
What is Dr. Neal J. Naff's MIPS score?
Dr. Naff's MIPS final score for performance year 2024 is 69 out of 100, reported individually.
How many Medicare patients does Dr. Neal J. Naff see?
CMS counts 396 Medicare patients who saw Dr. Naff in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Neal J. Naff bill to Medicare?
In 2024, Dr. Naff's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, new patient (99205).
Where did Dr. Neal J. Naff go to medical school?
Dr. Naff graduated from Johns Hopkins University School of Medicine in 1991.
What drugs does Dr. Neal J. Naff prescribe most?
In 2016 Medicare Part D data, Dr. Naff's most prescribed drugs by claims were Oxycodone HCl, Methylprednisolone and Oxycodone-Acetaminophen.
Has Dr. Neal J. Naff received payments from drug or device companies?
CMS Open Payments shows $24,867 in general payments to Dr. Naff from 27 companies from 2016 to 2025. The largest total came from Molnlycke Health Care US, LLC.
How long has Dr. Neal J. Naff been practicing?
Dr. Naff graduated from medical school in 1991, 35 years ago.
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