Max Andrew Grayton, PA-C
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 53
- Hospital affiliations
- 1
- Industry payments
- $312
- Medical groups
- 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 Max Grayton'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.
Max Andrew Grayton is a physician assistant in Baltimore, Maryland
Max Grayton practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland.
Max Grayton's NPI, 1356064687, was assigned on September 21, 2022. Max Grayton holds Maryland license C0008633.
- NPI
- 1356064687NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395113930
- NPI enumeration date
- September 21, 2022
- 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
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Max Andrew Grayton practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland
Max Grayton'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
Max Andrew Grayton is affiliated with 3 sites of care and 3 medical groups
Max Grayton's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. Max Grayton is also affiliated with Northwest Hospital. The medical group on file is The Centers for Advanced Orthopaedics. Dmand AI also links Max Grayton to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Max Andrew Grayton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Max Grayton practices, 3 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 |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Max Andrew Grayton is one of 2,452 physician assistants in Maryland
Physician assistant is Max Grayton's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Max Grayton is licensed in Maryland.
Specialties and state licenses
- Physician assistant, MarylandPrimary
Physician assistants near Max Grayton
Counts of physician assistants 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
Max Andrew Grayton treated 47 Medicare patients in 2024, average age 75
CMS counts 47 Medicare patients who saw Max Grayton in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Max Grayton's median patient age at 71, with 74% women.
Max Grayton's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Max Grayton's Medicare patients by sex, 2024
- Women2757%
- Men2043%
Chronic conditions among Max Grayton's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease49%
- Diabetes43%
- Anxiety40%
- Mood disorders34%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Max Grayton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Max Andrew Grayton wrote 53 Medicare Part D claims in 2024
In 2024, Max Grayton wrote 53 Medicare Part D claims for 35 patients. 96% of them were for generic drugs.
Max Grayton's Part D claims by kind of drug, 2024
- Generic51 claims96%
- Brand-name and other2 claims4%
Drug classes CMS tracks in Max Grayton's Part D claims, 2024
- Opioids60%32 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Max Andrew Grayton takes part in Medicare
Max Grayton 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)
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Max Andrew Grayton received $312 in industry payments in 2025
CMS Open Payments shows 2 general payments to Max Grayton from 2 drug and device companies in 2025. Food and beverage make up the largest share, 56% of the total. Medtronic, Inc. paid the most, $175.
General payments to Max Grayton by kind, 2025 to 2025
- Food and beverage$17556%
- Education$13744%
Companies that paid Max Grayton the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Max Andrew Grayton'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) |
| Industry payments | Open Payments (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 Max Andrew Grayton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Max Andrew Grayton's NPI number?
Max Andrew Grayton's NPI number is 1356064687. It was assigned on September 21, 2022, and it is active in the NPI Registry.
What does Max Andrew Grayton specialize in?
Max Andrew Grayton is a physician assistant in Baltimore, Maryland. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Max Andrew Grayton practice?
Max Grayton practices at 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209. Max Grayton's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. Dmand AI also links Max Grayton to 2 medical groups and 1 group practice or clinic.
What is Max Andrew Grayton's office phone number?
The practice phone on file for Max Grayton is (410) 377-8900.
What is Max Andrew Grayton's medical license number?
Max Grayton holds Maryland license C0008633.
Which hospitals is Max Andrew Grayton affiliated with?
Max Grayton is affiliated with Northwest Hospital.
What medical group is Max Andrew Grayton part of?
Max Grayton is linked to The Centers for Advanced Orthopaedics. Dmand AI links Max Grayton to 2 more medical groups.
Does Max Andrew Grayton accept Medicare?
Yes. CMS lists Max Grayton as accepting Medicare assignment.
How many Medicare patients does Max Andrew Grayton see?
CMS counts 47 Medicare patients who saw Max Grayton in 2024, with an average age of 75.
Has Max Andrew Grayton received payments from drug or device companies?
CMS Open Payments shows $312 in general payments to Max Grayton from 2 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Max Andrew Grayton been practicing?
Max Grayton graduated from medical school in 2022, 4 years ago.
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