Doctor profile · Federal record

Dr. Jennifer May, MD

Internal Medicine Physician (CMS: Rheumatology) · Rapid City, SD

  • NPI 1891765475
  • Accepts Medicare
  • MIPS 76.6 / 100 · 2023
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3024 Tower RD Ste 2
Rapid City, SD 577015392
(605) 791-6220
fax (605) 721-8412
Additional location
640 Flormann St
Rapid City, SD 57701
(605) 718-3300
fax (605) 718-3426

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
June 30, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Dakota #5639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891765475. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198,142
Distinct HCPCS
10
Medicare allowed
$2,381,530
HCPCS Description Services Patients Avg allowed
J3262 Injection, tocilizumab, 1 mg 57,840 21 $6
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 33,600 14 $5
J1439 Injection, ferric carboxymaltose, 1 mg 33,000 25 $1
J3380 Injection, vedolizumab, 1 mg 29,100 26 $22
J1602 Injection, golimumab, 1 mg, for intravenous use 20,768 30 $13
J1745 Injection, infliximab, excludes biosimilar, 10 mg 6,370 29 $33
J0897 Injection, denosumab, 1 mg 5,520 76 $23
J9312 Injection, rituximab, 10 mg 3,900 18 $80
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 3,150 11 $42
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 604 304 $8

In context: peer comparison

Among 17 peers in Rapid City Internal Medicine Physician, average services per provider: 1,551. This provider delivers 128× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$987
Transactions
17
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen INC. 12 $907.60
Abbvie INC. 3 $59.92
Ucb, INC. 1 $14.07
Organon LLC 1 $4.99

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$800
Food and Beverage
$187

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,081
Patients
366
Total drug cost
$151,515
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 242 99 $9,558
Prednisone Generic 204 81 $2,193
Hydroxychloroquine Sulfate Generic 154 55 $10,182
Allopurinol Generic 83 30 $1,362
Gabapentin Generic 83 29 $1,731
Alendronate Sodium Generic 75 23 $744
Tramadol Hcl Generic 43 11 $314
Meloxicam Generic 40 13 $373
Sulfasalazine Generic 33 12 $717
Leflunomide Generic 31 13 $1,470

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer May's medical specialty?
Dr. Jennifer May practices Internal Medicine Physician in Rapid City, SD.
Where does Dr. Jennifer May practice?
Dr. Jennifer May practices at 3024 Tower RD Ste 2, Rapid City, SD 577015392. Office phone: 6057916220.
What is Dr. Jennifer May's NPI?
Dr. Jennifer May's National Provider Identifier (NPI) is 1891765475, issued by NPPES.
Does Dr. Jennifer May accept Medicare assignment?
Yes. Dr. Jennifer May accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer May commonly perform?
Top Medicare-reported procedures in 2023: Injection, tocilizumab, 1 mg (HCPCS J3262); Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439). Source: CMS Medicare Physician & Other Practitioners file.