Dr. May Mei Graham, MD

  • Pasadena, CA
  • Emergency medicine physician
NPI1558597054PAC ID1052558087
Medicare services, 2024
446
Medicare patients, 2024
340
Part D claims, 2024
383
Hospital affiliations
1
Industry payments
$399
Practice address
3160 E Del Mar Blvd, Pasadena, CA 91107
Practice phone
Call (818) 880-2225
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Exer Urgent Care

Pasadena, California

See all 5 affiliations

Find Dr. Graham'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.

View contacts for free

Dr. May Mei Graham is an emergency medicine physician in Pasadena, California

Dr. Graham practices at Exer Urgent Care in Pasadena, California.

Dr. Graham's NPI, 1558597054, was assigned on June 10, 2009. Dr. Graham graduated from University of Southern California Keck School of Medicine in 2009. Dr. Graham holds Hawaii license MDR-5673.

NPI and contact details
Medicare PAC ID
1052558087
NPI enumeration date
June 10, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 880-2225
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. May Mei Graham practices at Exer Urgent Care in Pasadena, California

Dr. Graham's primary practice is Exer Urgent Care, at 3160 E Del Mar Blvd, Pasadena, CA 91107 in Los Angeles County. The practice phone is (818) 880-2225.

  • Exer Urgent Care
    3160 E Del Mar Blvd, Pasadena, CA 91107 · Los Angeles CountyPhone(818) 880-2225

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. May Mei Graham is affiliated with 2 sites of care and 3 medical groups

Dr. Graham's primary practice is Exer Urgent Care in Pasadena, California. Dr. Graham is also affiliated with Huntington Hospital. The medical group on file is Exer Urgent Care. Dmand AI also links Dr. Graham to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Graham

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. May Mei Graham's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Graham practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Exer Urgent CareAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Graham practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. May Mei Graham is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Graham's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Graham is licensed in Hawaii.

Specialties and state licenses

  • Emergency medicine, HawaiiPrimaryLicense MDR-5673 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Graham

Counts of emergency medicine physicians 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. May Mei Graham billed Medicare for 446 services in 2024

CMS data shows 446 Medicare services from Dr. Graham across 13 procedure codes in 2024, for 340 Medicare patients. Medicare paid $38,313 for them.

Medicare services, 2024446
Medicare patients340
Paid by Medicare$38,313
Procedure codes13

Dr. Graham's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2492024: 30422%
Tests and treatments
2023: 1232024: 7043%
Lab and pathology
2023: 02024: 52
Imaging
2023: 02024: 20

Where Dr. Graham's Medicare services took place, 2024

  • In an office20346%
  • In a facility24354%

Dr. Graham compared with the California median for emergency medicine physicians, 2024

  • Dr. Graham
  • California median
Medicare services
446vs 26568% above
Medicare patients
340vs 24340% above
Part D claims
225vs 623.6 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Graham'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.

See all procedures by Dr. Graham

Need commercial claims for Dr. Graham?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Graham and other emergency medicine physicians in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. May Mei Graham treated 340 Medicare patients in 2024, average age 75

CMS counts 340 Medicare patients who saw Dr. Graham in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Graham's median patient age at 47, with 58% women.

Medicare patients, 2024340
Average age75
Average risk score1.78
Also on Medicaid37%

Dr. Graham's Medicare patients by age, 2024

Dr. Graham's Medicare patients by sex, 2024

  • Women20059%
  • Men14041%

Chronic conditions among Dr. Graham's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Diabetes41%
  5. Ischemic heart disease38%
  6. Mood disorders33%
  7. Chronic kidney disease32%
  8. Depression30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Graham's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. May Mei Graham wrote 383 Medicare Part D claims in 2024

In 2024, Dr. Graham wrote 383 Medicare Part D claims for 278 patients. 92% of them were for generic drugs. CMS names the drug for 225 of them, across 11 drugs with 11 or more claims each, at $1,301 in total drug cost. In 2023, CMS named 162 claims across 10 drugs.

Part D claims, 2024383
Drugs named by CMS11
Total drug cost$1,301
Part D patients278

Dr. Graham's Part D claims by kind of drug, 2024

  • Generic352 claims92%
  • Brand-name and other31 claims8%

Dr. Graham's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Graham's Part D claims, 2024

  • Opioids6%22 of 383 claims
  • Antibiotics46%178 of 383 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1622024: 22539%

Drugs named by CMS: 11 in 2024, 10 in 2023.

See all prescribing by Dr. Graham

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. May Mei Graham takes part in Medicare

Dr. Graham 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

Find emergency medicine physicians like Dr. Graham by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. May Mei Graham received $399 in industry payments from 2021 to 2024

CMS Open Payments shows 3 general payments to Dr. Graham from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $367.

General payments to Dr. Graham by program year, 2021 to 2024

Companies that paid Dr. Graham the most, 2021 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Graham

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. May Mei Graham graduated from University of Southern California Keck School of Medicine

Dr. Graham graduated from University of Southern California Keck School of Medicine in 2009.

  1. Medical schoolUniversity of Southern California Keck School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. May Mei Graham's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. May Mei Graham

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. May Mei Graham's NPI number?

Dr. May Mei Graham's NPI number is 1558597054. It was assigned on June 10, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. May Mei Graham?

Dr. May Mei Graham is an emergency medicine physician in Pasadena, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. May Mei Graham practice?

Dr. Graham practices at 3160 E Del Mar Blvd, Pasadena, CA 91107. Dr. Graham's primary practice is Exer Urgent Care in Pasadena, California. Dmand AI also links Dr. Graham to 2 medical groups.

What is Dr. May Mei Graham's office phone number?

The practice phone on file for Dr. Graham is (818) 880-2225.

What is Dr. May Mei Graham's medical license number?

Dr. Graham holds Hawaii license MDR-5673.

Which hospitals is Dr. May Mei Graham affiliated with?

Dr. Graham is affiliated with Huntington Hospital.

What medical group is Dr. May Mei Graham part of?

Dr. Graham is linked to Exer Urgent Care. Dmand AI links Dr. Graham to 2 more medical groups.

Does Dr. May Mei Graham accept Medicare?

Yes. CMS data shows Dr. Graham billed Medicare for 446 services in 2024, and Dr. Graham accepts Medicare assignment.

How many Medicare patients does Dr. May Mei Graham see?

CMS counts 340 Medicare patients who saw Dr. Graham in 2024, with an average age of 75.

What services does Dr. May Mei Graham bill to Medicare?

In 2024, Dr. Graham's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and office visit, new patient (99204).

Show 4 more questionsShow fewer questions

Where did Dr. May Mei Graham go to medical school?

Dr. Graham graduated from University of Southern California Keck School of Medicine in 2009.

What drugs does Dr. May Mei Graham prescribe most?

In 2024 Medicare Part D data, Dr. Graham's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Cephalexin and Azithromycin.

Has Dr. May Mei Graham received payments from drug or device companies?

CMS Open Payments shows $399 in general payments to Dr. Graham from 2 companies from 2021 to 2024. The largest total came from Inari Medical, Inc.

How long has Dr. May Mei Graham been practicing?

Dr. Graham graduated from medical school in 2009, 17 years ago.

Selling to emergency medicine practices?

See emergency medicine physicians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)